IA82050
异步串行控制器
数据表
2011年2月25日
目录
图列表..................................................................................................................................4
表一览...................................................................................................................................4
1.
产品特点...................................................................................................................................5
2.
描述..............................................................................................................................7
3.
功能概述..............................................................................................................9
3.1变送器....................................................................................................................9
3.2接收器.........................................................................................................................9
3.3总线接口.................................................................................................................9
3.4注册说明....................................................................................................10
4.
注册说明............................................................................................................11
4.1波特率发生器分频数， MSB和LSB （ BAH / BAL ） .......................... 11
4.2一般中断使能寄存器（ GER ） .......................................... ......................... 11
4.3一般中断寄存器（ GIR ） ........................................... ..................................... 11
4.4线路配置寄存器（ LCR ） ........................................... ........................................ 11
4.5线状态寄存器（ LSR ） ........................................... .............................................. 12
4.6调制解调器控制寄存器（ MCR ） ........................................... ..................................... 12
4.7调制解调器状态寄存器（ MSR ） ........................................... ........................................ 13
4.8接收数据寄存器（ RXDATA ） ........................................... .................................. 13
4.9暂存寄存器（ SCR） ............................................ .................................................. 0.13
4.10发送数据寄存器（ TXDATA ） ........................................... ................................ 14
5.
AC / DC参数...............................................................................................................15
6.
直流特性................................................................................................................16
7.
AC特性................................................................................................................17
8.
包装Information..........................................................................................................18
8.1 PDIP封装..............................................................................................................18
8.2 PLCC封装.............................................................................................................19
9.
INNOVASIC型号交叉参考............................................ .................................. 20
10.修订历史记录...................................................................................................................21
11.其他Information...................................................................................................22
IA211030617-08
不受控制的WHEN打印或复印
第22页3
http://www.Innovasic.com
客户支持：
1-888-824-4184
QQ：2881677436 复制
