Bufif1 verilog example The phrase "three-state" is a characteristic of the primitive rather than a state; the letter Z or z indicates a high-impedance state. If two or more drivers drive a signal then it will have the value of the strongest driver (Example 3). Below is the continuation of Verilog keywords with definitions and examples from where we left off. This simple example shows how to instantiate a tri-state buffer in Verilog HDL using the keyword bufif1. •Gateway was acquired by Cadence in 1989 •Verilog was made an open standard in 1990 under the control of Open Verilog International. Gate Level Modeling. Your Comments (comments are moderated) Newer Post Older Post Home 2. Examples: 出力タイプは tri です。バッファーは、bufif1、変数名 b1 でインスタンス化します。 この例をプロジェクトで使用する際の詳細については、Verilog ウェブページの Verilog HDL の使用方法例セクションを参照してください。 Verilog II 17 Three-state Gates • Three-state gates have output values 0, 1, or z. Mobile friendly. Internal nets y0, y1, y2, y3 are also required. 10 through 28. Following are the type of primitives that Verilog supports; Verilog describes a digital system as a set of modules. 0. 프로젝트에서 이 예제를 사용하는 방법에 대한 자세한 내용은 Verilog 웹 페이지의 Verilog HDL 예제 사용 bufif1(output, input, control): output equals the input if the control signal is 1, and high-impedance state,z, if the control signal is 0. They are the bufif0, bufif1, notif0, and notif1. Setting entire register array to zero. Gate primitives notif1, bufif1, notif0, and bufif0 have a control signal. Strengths. Tri-State buffers are able to be in one of three states: Logic 0, Logic 1, and Z (high impedance). These have a single input and one or more outputs. 2 プリミティブをまとめて使うには？ 次のようにインスタンス名をつけて宣言することもできます。 module driver (in, out, en); input [3:0] in; output [3:0] out; input en; bufif0 ar[3:0] (out, in, en); // array of three-state buffers endmodule The switch level modeling is used to model digital circuits at the MOS level transistor. The following example declares an instance of bufif1: bufif1 bf1 (out, in, control); The output is ' out', the input is ' in ', and the control is , Verilog HDL, verilog interview questions, verilog tutorial for beginners, verilog tutorials. This type of instantiation is called connect by order since the port order must be Verilog HDL 게이트수준모델링 K. For pullup and pulldown gates, the default strength is pull drive; for trireg the default strength is medium capacitive; and for supply nets, the default strength is supply drive. In this era, digital circuits have become more complex and involve millions of transistors, so modeling at the transistor level is rarely used by the Designing a Synchronous FIFO Buffer in Verilog and SystemVerilog. This means that, by using an HDL, one can describe any Verilog HDL - buf /not gates - symbol / truth table / instantiation- bufif /notif gates 1. \$\endgroup\$ – 文章浏览阅读2. Jan-7-2025 : Switch Primitives: There are six different switch primitives (transistor models) used in Verilog, nmos Verilog has the below types of gates : N-Input Gates: These are and, nand, or, nor. Another way to work around your issues is using of system verilog functions for conversion real to bits and vice versa (lrm BufIf1是一个常见的Verilog模块，它实现了数据缓冲的功能，允许输入信号在需要的时候才送到输出。 这里有三种不同的描述方式来实现这个功能： 1. Examples: 1. Formal Definition. This page contains Verilog tutorial, Verilog Syntax, Verilog Quick Reference, PLI, modelling memory and FSM, Writing Testbenches in Verilog, Lot of Verilog Examples and Verilog in One Day Tutorial. 3 Verilog Code with an extra bit in write/read pointers. For example, assign, case, while, wire, reg, and, or, nand, and module. The drive strengths can be used for nets Before going to Gate-level modelling, please go through the brief description of different modelling styles here: Verilog HDL: Different types of Modelling Gate Level Modelling. Since there is no optional delay specified, there will be no delay from PG_MODE to pg_mode_buf. These gates have one input, one control signal, and one output. Strength in Verilog. module <module_name>(<port_names>); endmodule Example: module Nand(q, a, b); output q; input a, b; nand (q, a, b); endmodule EECS 427 W07 5 High-level view of Verilog Verilog descriptions look like programs: Modules resemble subroutines in that you can write one description and use (instantiate) it in multiple places Block structure is a key principle zUse hierarchy/modularity to manage complexity But they aren’t ‘normal’ programs zEverything is happening in parallel (just like hardware) (or, another way Single input gate primitives include not, buf, notif1, bufif1, notif0, and bufif0. Examples of gate instantiations are shown below. 3 Method 3. Verilog keywords also include compiler directives, and system tasks and functions. 1. The instantiation of these tri-state gates (Example 3) can contain zero, one, two, or three delays. Allows Verilog source code to be optionally included, based on whether or not macro_name has been defined using `define or an invocation option. Verilog is a Hardware Description Language (HDL) used for designing and verifying digital circuits and systems. This is part – 1 of tutorial on Structural modelling. 2 信号强度(10. 2 Full condition. 1 Tutorial). In Example 3-1, for all instances, OUT is bufif1 notif bufif0 notif Figure 3- 3 Bufif/notif Gates These gates propagate only if their control signal is asserted. Their use 一：verilog强度 1：概念 当一个线型由多个驱动时，才会有强度的概念；强度分为驱动强度和充电强度 2：驱动强度 分别为supply，strong，pull，weak，强度依次递减。 3：在进行RTL或者门级模型的设计时，只会用到强驱动（1，0，x）或者比weak还弱的驱动（z）。驱动强度 These gates are instantiated to build logic circuits in Verilog. Create and add the Verilog module with three inputs (x, y, s) and one output (m) using gate-level modeling (refer Step 1 of the Vivado 2015. •The language became an IEEE standard in 1995 (IEEE STD 1364) and was updated in 2001 and bufif0, bufif1, notif0, notif1は等価なverilog記述がありますが、triregをverilogで記述する方法は分かりませんでした。今時、使うこともないんでしょうがとりあえずメモ。 7/4 追記 等価な記述が全部逆になっていたので直しました。のりたんさん、ありがとうござい 门级建模就是将逻辑电路图用HDL规定的文本语言表示出来，即调用Verilog语言中内置的基本门级元件描述逻辑图中的元件以及元件之间的连接关系。 Verilog语言内置了12个基本门级元件模型，如下表所示。门级元件的输出 verilog学习笔记 文章目录verilog学习笔记前言一、Verilog语言的逻辑抽象层级二、verilog程序的构成verilog中的逻辑与数字表示：总结 前言 前面的学习笔记是在看程序时遇到什么问题就记下来然后去查资料整理的，后续的学习笔记会更加系统的整理verilog相关的内容。 A positive edge detector will send out a pulse whenever the signal it is monitoring changes from 0 to 1 (positive edge). Building Blocks Verilog Module Verilog Port Verilog Module Instantiations Verilog assign statements Verilog assign examples Verilog Operators verilog学习笔记 文章目录verilog学习笔记前言一、Verilog语言的逻辑抽象层级二、verilog程序的构成verilog中的逻辑与数字表示：总结 前言 前面的学习笔记是在看程序时遇到什么问题就记下来然后去查资料整理的，后续的学习笔记会更加系统的整理verilog相关的内容。一、Verilog语言的逻辑抽象层级 Verilog This Verilog-A Hardware Description Language (HDL) language reference manual defines a behavioral language for analog systems. 3 State gates: These are bufif0, bufif1, nitif0 and notif1; Pull Gates: These are pullup and pulldown These gates are instantiated to build logic circuits in Verilog. 2 Verilog strength Example. module pos_edge_det ( input sig, // Input signal for which positive edge has to be detected bufif1は、notif1の親戚のような存在です。 bufif1もまた、3つの端子（入力、出力、制御）を持つプリミティブゲートです。 しかし、notif1が信号を反転させるのに対し、bufif1は信号をそのまま通過させます。 つまり、bufif1は条件付きバッファとして機能します。 对于bufif1、bufif0、notif1、notif0， 它们只能有一个数据输出端口、一个数据输入端口和一个控制输入端口，第一个端口是数据输出端口，第二个端口是数据输入端口，第三个端口是控制输入端口。 西安交通大学微电子学系 p. There can be an module without inputs or outputs. This document is intended to cover the definition and semantics of Verilog-A HDL as proposed by Open Verilog International (OVI). So in your example, 0000 and 1000 refer to the same memory location. For example, a two input AND gate has to switch the output to 1 if both inputs become 1 and back to 0 when any of its inputs become 0. \$\endgroup\$ – alex Verilog HDL Quick Reference Guide 2 1. is a language used to describe a digital system. No comments: Post a Comment. A net that is not being driven has a high impedance strength, except for tri0 and tri1 that have pull strength; trireg hold their last strength; and supply nets have supply strength. See section 7. The output type is tri. 5: Verilog description for multiplexer // Module 4-to-1 multiplexer. • z is “high impedance” • Verilog gates: • bufif1 • Output is z when control is 0 • Output is same as input when control is 1 • bufif0 • Output is z when control is 1 • Output is same as input when control is 0 • notif1 • Output is z Tutorial – What is a Tri-State Buffer Why are tristate buffers needed in half-duplex communication How to infer tri-state buffers in Verilog and VHDL. Either a or b can be the driver signal. The idea behind a positive edge detector is to delay the original signal by one clock cycle, take its inverse and perform a logical AND with the original signal. ; bufif0(output, input, control): the control signal is the complement of bufif1. . • Attribute properties (page 4) • Generate blocks (page 21) • Configurations (page 43) 单输入多输出（信号复制） ```verilog buf BUF_TREE (out1, out2, out3, in); // 单个输入in驱动3个输出端口 // 等效于：out1=in; out2=in; out3=in; ``` 四、三态缓冲器变种 1. The different type of gates that are The bufif1 is a verilog primitive gate which, when on, simply amplifies the power of, or buffers, its input logic level. 2 buf와not 게이트프리미티브 2 buf input output 0 0 11 xx zx not input 1 0 x input output input output buf b1 Verilog •Verilog was developed by Gateway Design Automation as a proprietary language for logic simulation in 1984. Each module has an interface and a description off its contents. The strength of a net is derived based on the strength of multiple drivers and the final strength will get the strength of the strongest driver. sel_n Connect by Name All of the hierarchy built by module instances in Example 3-3 and Example 3-4 are built by matching the port declaration order to the used to create the connections. Refer toCadence Verilog-XL Reference Manualfor a complete listing of Verilog keywords. 4 of the 2005 IEEE Std 1364. 18 Example: Testbench for Half Adder module t_Add_half ( ); wire sum, c_out; reg a, b; // Storage containers for stimulus waveforms Add_half_0_delay M1 I would like to know about how tri-state buffer works in the first place. These data types can be declared as scalar (single-bit) or vector (multi-bit) types. Verilog-A HDL is derived from the IEEE 1364 Verilog HDL specification. They propagate z if their control signal is 2. In the below example, for all instances, OUT is connected to the output out, Bufif1, Bufif0, Notif1, Notifo gates propagate only if their control signal is asserted. For example, a network switch, a microprocessor, or a memory, or a simple flip-flop. Example 3. 0 New Features In Verilog-2001 Verilog-2001, officially the “IEEE 1364-2001 Verilog Hardware Description Language”, adds several significant enhancements to the Verilog-1995 standard. To print the strength of a bit in a display message, use %v instead of %b. Part-I. 5, and 28. The gate primitives notif1, bufif1, notif0, and bufif0 also have Bufif1, Bufif0, Notif1, Notifo gates propagate only if their control signal is asserted. 출력 유형은 tri입니다. Here is my primary prototype you can say : It will consist of a register bank or memory. bufif0：控制信号 Introductory Example: Half Adder • Verilog primitives encapsulate pre-defined functionality of common logic gates • The counterpart of a schematic is a structural model composed of Verilog primitives b a c_out sum module Add_half (sum, c_out, a, b); input a, b; output c_out, sum; xor (sum, a, b); and (c_out, a, b); endmodule A Verilog-HDL OnLine tutorial. Design. Building Blocks Verilog Module Verilog Port Verilog Module Instantiations Verilog assign statements Verilog assign examples Verilog Operators The language also supports the modeling of tri-state gates, including bufif0, bufif1, notif0, and notif1. Here is an example Verilog and SystemVerilog design for a synchronous FIFO buffer that can store up to eight 32-bit words. >> Examples Gate Delays: In Verilog, a Verilog 支持一些称为原语(primitive)的基本逻辑门，因为它们可以像模块一样被实例化，因为它们已经被预定义。 nor, xnor instead of and, or and xor // in this example nand (c, a, b); // c is the output, a and b are inputs nor 有两种版 From a Verilog simulation standpoint, the buf instance makes almost no difference in the code that you posted. 3w次，点赞25次，收藏126次。本文详细介绍了Verilog语言中的bufif1和bufif0三态缓冲器，以及notif1和notif0非缓冲器的工作原理。重点讲解了它们的数据输入输出控制，以及在逻辑设计中的使用。同时，涵 Examples Verilog Examples 2. Refer to Cadence Verilog-XL Reference Manual for a complete listing of Verilog keywords. One minor difference is if PG_MODE is z, pg_mode_buf will become x. Data Types Verilog Syntax Verilog Data types Verilog Scalar/Vector Verilog Arrays Verilog Net Types Verilog Strength 3. Examples of gate Instantiations a re shown below. 2 本节引言 “不积跬步，无以至千里；不积小流，无以成江海。就是说：不积累一步半步的行程，就没有办法达到千里之远；不积累细小的流水，就没有办法汇成江河大海。 I have decided to implement a FIFO buffer in verilog (for fun). lo. If two drivers of a net have the same strength and value, then the net result will have the same value and strength (Example 4). The format is consistent with the previous ones: The format is consistent with the previous ones: ## 32. sel_n mux4. They should not be used as identifiers. in the M+1 counter scheme, only the lowest M lines are connected as address lines to the memory. ; notif1(output, input, control): same as bufif1 except the output is the complement of the input if the control signal is 1. Notifo tristate inverter Mobile Verilog online reference guide, verilog definitions, syntax and examples. 4 Waveform. There are two classes of gate primitives: Single input gate primitives have a single input and one or more outputs. These drivers are designed to drive the signal on mutually exclusive Verilog has a number of built-in primitives that model gates and switches. Verilog \$\begingroup\$ @KingDuken Verilog does indeed have primitives with three-state outputs. To get the full breath of understanding read: IEEE Std 1800-2012 § 10. A number of them will be introduced in this manual. bufif1 - Controlled buffer with data passing when control is 1. Verilog Keywords These are words that have special meaning in Verilog. Then Click Create File. (Example 1) and charge strengths (Example 2). ac. Syntax: gate_type [ ( strength ) ] [ #( delay ) ] [ instance_name ] [ instance_range ] ( terminal, terminal, 2. Verilog Table 23 Strengths ordered by value. Verilog 這個簡單的範例說明如何使用關鍵字 bufif1 在 Verilog HDL 中即時化三狀態緩衝區。輸出類型為三種。緩衝區由 bufif1 和可變名稱 b1 即時化。 如需在專案中使用此範例的詳細資訊，請參閱 Verilog 網頁上的 Verilog HDL 範例 區段。 Examples Verilog Examples 2. For example, wire [7:0] data_bus; declares an 8-bit wire vector named data_bus. Verilog Tutorial. 3. Verilog Primitives. 4 %Çì ¢ 5 0 obj > stream xœÍZI T7 VH¦ghP fc›$/û{$c¼/×HQ$n ‘rhr" 1H ?ŸßVõ–f“è4sÀm—Ëvù«¯ªÜý² BéBæ¿®ñøbyïa(žþ»¬ 18. Bufif1 tristate buffer, active high enable. I read the SystemVerilog Document but it is complicated. %PDF-1. , Kumoh National Institute of Technology Verilog HDL 게이트수준모델링 K. kr School of Electronic Eng. Hint: Click the Green Plus button on the Add Sources on the New Project window. In Gate level modelling, we use primitive gates to model a circuit depending on its schematic diagram. 下面是一个示例代码，使用 bufif1 门实现了一个带有使能信号的双向缓冲器： module tri_gate_example(input data_in, output 此简单示例展示了如何使用关键字 bufif1 在 Verilog HDL 中对三态缓冲器进行实例化。输出类型为 tri。缓冲器通过变量名为 b1 的 bufif1 进行实例化。 有关在项目中使用此示例的更多信息，请参阅 Verilog 网页上的“如何使用 Verilog HDL 示例”部分。 Hello, I do not completely understand use of tran keyword in verilog. N-Output Gates: These are not and buf. If you continue to use this site we will assume that you are happy with it. It is a language used for describing a digital system such as a network switch, a microprocessor, a bufif1 notif0 notif0 CSE 20221 Introduction to Verilog. g AND. Synchronous FIFO. SHIN 3. Words that have special meaning in Verilog are called the Verilog keywords. 6. Verilog 一个模块可以实现的功能是有限的，特别是像verilog这样的硬件语言，我们为了实现复杂的功能一般需要多个模块互相调用。 调用verilog内部模块bufif1，其中bufif1是模块，mybuf是实例名。verilog自带了很多的模块，这些模块是已经成熟的电路结构，平时直接调用即 为了描述方便，这里给两个命名tri0和tri1（tri是三态门（tri-state的缩略写法，其实在Verilog语法中有两个模型与之对应，分别为bufif0，bufif1。 图1，2中的oe在传统的三总线结构中，通常对应OE（读）或WE（写）。 In reply to dave_59:. Verilog is a Hardware Description Language (HDL). 1 本节目录 1）本节目录； 2）本节引言； 3）verilog简介； 4）verilog语句门级映射； 5）结束语。1. This is an interactive, self-directed introduction to the Verilog language complete with examples. The strength is used to have more accurate modeling that specifies a value on a net. bufif1, bufif0, notif1, notif0 gates. 5) Verilog mostly works in the digital logic space. Can you explain about it? pullup(dp); If I use this method to pullup pin dp. Two intermediate nets, s0n and s1n, are created; they are complements of input signals s1 and s0. Example : tran c (a,b); Explanation says The tran switch acts as a buffer between the two signals a and b. A simple guide on all Verilog data types and syntax elements like Nets, Registers, module and I/O declarations, identifiers, and keywords among others. xor and xnor. (§ 21. Suppose there is a 'tri' data type variable A declared in a module m in verilog. This design ASYNC_REG Verilog Example; ASYNC_REG VHDL Examples; BLACK_BOX; BLACK_BOX Verilog Example; BLACK_BOX VHDL Example; CASCADE_HEIGHT; CASCADE_HEIGHT Verilog example; CASCADE_HEIGHT VHDL example; CLOCK_BUFFER_TYPE; CLOCK_BUFFER_TYPE Verilog example; Examples Verilog Examples 2. 16. A is connected to the output of another module n which is instantiated twice inside m, in both the Gate primitives are predefined modules in Verilog. 12节) 信号除了4个基本值以外，还可以指定强度。 强度 分为驱动强度和电荷强度。 驱动强度：指门级元件输出端的驱动强度，当一 条线接多个输出时，各个输出的驱动强度不同将 Verilog HDL Quick Reference Guide 2 1. 3 Verilog Code using counter. Building Blocks Verilog Module Verilog Port Verilog Module Instantiations Verilog assign statements Verilog assign examples Verilog Operators 26 Verilog Quickstart Example 3-5 Hierarchical Names lo. These gate and pin to pin delays can be specified in Verilog when instantiating logic primitives . •The language became an IEEE standard in 1995 (IEEE STD 1364) and was updated in 2001 and bufif0, bufif1, notif0, notif1は等価なverilog記述がありますが、triregをverilogで記述する方法は分かりませんでした。今時、使うこともないんでしょうがとりあえずメモ。 7/4 追記 等価な記述が全部逆になっていたので直しました。のりたんさん、ありがとうござい 门级建模就是将逻辑电路图用HDL规定的文本语言表示出来，即调用Verilog语言中内置的基本门级元件描述逻辑图中的元件以及元件之间的连接关系。 Verilog语言内置了12个基本门级元件模型，如下表所示。门级元件的输出、输入必须为线网类型的变量。1 Verilog •Verilog was developed by Gateway Design Automation as a proprietary language for logic simulation in 1984. Verilog - Read bits of register dynamically or using some variable. Hi Dave, Please help me. These are rarely used in design (RTL Coding), but are used in post synthesis world for modeling the ASIC/FPGA The following example declares an instance of bufif1: bufif1 bf1 (out, in, control); The output is ' out' , the input is ' in ', and the control is ' control '. 2. Name the file lab1_1_1, click OK. 3, 21. We can define Verilog primitives as the predefined gates which are already present in the Verilog and just can be called using their keyword e. If two drivers of a net have the same strength but different values then signal value will be unknown and it will have the The Verilog description for the multiplexer is shown in Example 3-5. The strength declaration construct is used for modeling net type variables for a close correspondence with physical wires. Refer to IEEE Std 1800-2017, Table 28-4—Truth tables for multiple output logic gates. 2. Some examples are assign, case, while, wire, reg, and, or, nand, and module. System verilog - streaming operator multidimensional array to stream of bits. SHIN 1 게이트수준모델링(2) Kyung-Wook Shin kwshin@kumoh. Such a situation is applicable when multiple drivers drive the signal. Verilog HDL提供了针对线网信号0、1、x、z的精准强度建模方式，这样可以允许将两个线网信号进行线与操作从而更加精确地描述出硬件行为。强度建模可以在两个地方使用，一个是连续赋值语句，另一个是门级建模。一个强度由两部分组成，一部分表示信号0的强度，称为strength0；一部分表示信号1的 このコードでは、Verilogのbufif1プリミティブを用いてクロックバッファを実装しています。 bufif1 は、1つの入力信号を複数の出力信号に分配します。 ここでは、clk_inを8つのclk_outに分配しています。 We use cookies to ensure that we give you the best experience on our website. 게이트 기본 요소 (primitive) 게이트 기본 요소 (gate primitive)는 버퍼 (buffer)와 인버터 (invertor)를 제외 In gate level modelling, we use Verilog’s in-built digital circuits or gates known as Verilog Primitives. 1-1-2. The strength declaration should contain two specified Verilog has built in primitives like gates, transmission gates, and switches. W. Port list is taken exactly from the I/O diagram. Building Blocks Verilog Module Verilog Port Verilog Module Instantiations Verilog assign statements Verilog assign examples Verilog Operators The contents of another Verilog HDL source file is inserted where the `include directive appears. When off, it outputs a ' z '. First In First Out 2015. 너무 맹신하지는 말아 주시기 바랍니다. My question is if a and b both are connected to some different signal, who Verilog strengths can be a bit of complicated process understand. 3 Verilog primitives for combinational logic ECE 156A 7 n-input n-output, 3-state and buf nand not or bufif0 nor bufif1 xor notif0 xnor notif1 n-input: Any number of inputs and 1 output n-output: Any number of outputs and 1 input ECE 156A 8 List of Verilog primitives Gates – and, nand, or, nor, xor, xnor, buf, not 1. verilog set bus equal to array of struct bits. `ifdef macro_name verilog_source_code `else verilog_source_code `endif Conditional compilation. 개인적인 정리기 때문에 저의 잘못된 이해가 섞여있을수도 있는 점 알려드립니다. Secondly, I had written a program to establish I2C protocol, while a READ condition, the slave yields a write drive low sig 4 Verilog primitives for combinational logic ECE 156A 7 n-input n-output, 3-state and buf nand not or bufif0 nor bufif1 xor notif0 xnor notif1 n-input: Any number of inputs and 1 output n-output: Any number of outputs and 1 input ECE 156A 8 List of Verilog primitives Gates – and, nand, or, nor, xor, xnor, buf, not The default strength is strong drive. • Attribute properties (page 4) • Generate blocks (page 21) • Configurations (page 43) 이 간단한 예에서는 키워드 bufif1을 사용하여 Verilog HDL에서 트라이 스테이트 버퍼를 인스턴스화하는 방법을 보여줍니다. The contents of another Verilog HDL source file is inserted where the `include directive appears. Examples Verilog Examples 2. 1 Empty condition. bufif1：控制信号为1时导通 ```verilog bufif1 BF1 (out, data, ctrl); // ctrl=1时out=data，否则高阻态z ``` 2. you can use the following: nettype real nreal; module top ( inout nreal vref1, however, real is not a synthesizable concept and cannot be used in the gate-level logic, so the following is illegal: bufif1 b1 (vref1, data, out_en) with verif1 as real. Its port list includes one output bit, one input bit, and one control bit, in that order from the left: bufif1 optional_InstName (out, in, control); For example, bufif1 CtlBuf01(OutBit_1, InBit_1 이 포스팅은 제 개인적인 공부를 저장 및 복습하기 위해서 올리는 글입니다. The buffer is instantiated by bufif1 with the variable name b1. It covers the full language, including UDPs and PLI. 6 Structural Connectivity CSE 20221 Introduction to Verilog. 1. 1 verilog语句门级映射 1. . drqr fawcg zjelq dryjc bszr pfcdg nkpw klc xjwct cmmi rrt ryyjpez ipje bgvyuk vfjoum