WK2124-ISSG
日期：2019-12-11WK2124-ISSG
产品概述
WK2124是SPITM接口的4通道UART器件，WK2124实现SPI桥接/扩展4个增强功能串口（UART）的功能。
扩展的子通道的UART具备如下功能特点：
每个子通道UART的波特率、字长、校验格式可以独立设置，最高可以提供2Mbps的通信速率。
每个子通道可以独立设置工作在IrDA红外通信。
每个子通道具备收/发独立的256 BYTE FIFO，FIFO的中断可按用户需求进行编程触发点。
WK2124采用SSOP20绿色环保的无铅封装，可以工作在2.5～5.0V的宽工作电压范围，具备可配置自动休眠/唤醒功能。
2.基本特性
2.1 总体特性
低功耗设计，可以配置自动休眠，自动唤醒模式（uS 级唤醒）
超大硬件收发缓存，支持256级FIFO
宽工作电压设计，工作电压为2.5V～5.0V
精简的配置寄存器和控制字，操作简单可靠
提供工业级
高速CMOS工艺,子串口速率最高可达2Mbps@5V、1.5Mbps@3.3V、1Mbps@2.5V
采用符合绿色环保政策的SSOP20无铅封装
2.2 扩展子通道UART特性
子通道串口独立配置，高速、灵活：
每个子串口为全双工，每个子串口可以通过软件开启/关闭
波特率可以独立设置，子串口最高可以达到2Mbit/s
每个子串口字符格式包括数据长度、停止位数、奇偶校验模式可以独立设置
完善的子串口状态查询功能
可以实现对单个子串口软件复位
FIFO功能：
每个子串口具备独立的256级发送FIFO，发送FIFO触发点可按用户需求进行编程
每个子串口具备独立的256接收FIFO，接收FIFO触发点可按用户需求进行编程
软件FIFO使能和清空
FIFO状态和计数器输出
错误检测：
支持奇偶校验错，数据帧错误、溢出错误及Line-Break错误检测
支持起始位错误检测
中断特点：
具备子串口接收FIFO超时中断
支持Line-Break错误中断
内置符合SIR标准的IrDA红外收发编解码器，传输速度可达115.2K bit/s
2.3 SPI主接口特性
最高速度10M bit/s
仅支持SPI从模式
SPI模式0
支持最长256字节连续收发
| BS82B12A-3 | HOLTEK |
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| BS84B06A-3 | HOLTEK |
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| BS4C12A-3 | HOLTEK |
| HT46F47E | HOLTEK |
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| HT46R002 | HOLTEK |
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