Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
Z8喝采！
®
33
通用I / O
概观
该Z8F640x系列产品最多支持7个8位端口（端口AG ）和
一个4位的端口（端口H ）为通用输入/输出（I / O）操作。每个端口CON-
tains控制和数据寄存器。在GPIO控制寄存器用于确定数据
方向，开漏输出驱动电流和管脚功能复用。每个端口引脚
可单独编程。
GPIO端口可用性因设备
不是所有的Z8F640x系列产品支持所有8个端口（ AH ） 。表10列出了端口引脚
可从各设备和封装类型。
表10.端口可用性会因器件和封装类型
设备
Z8F1601
Z8F1601
Z8F1602
Z8F2401
Z8F2401
Z8F2402
Z8F3201
Z8F3201
Z8F3202
Z8F4801
Z8F4801
Z8F4802
Z8F4803
Z8F6401
套餐
40-pin
44-pin
64和68针
40-pin
44-pin
64和68针
40-pin
44-pin
64和68针
40-pin
44-pin
64和68针
80-pin
40-pin
端口A
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
端口B
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
端口C
[6:0]
[7:0]
[7:0]
[6:0]
[7:0]
[7:0]
[6:0]
[7:0]
[7:0]
[6:0]
[7:0]
[7:0]
[7:0]
[6:0]
端口D
[6:3, 1:0]
[6:0]
[7:0]
[6:3, 1:0]
[6:0]
[7:0]
[6:3, 1:0]
[6:0]
[7:0]
[6:3, 1:0]
[6:0]
[7:0]
[7:0]
[6:3, 1:0]
[7:0]
-
-
[7:0]
-
-
[7:0]
-
-
[7:0]
[7:0]
-
[7]
-
-
[7]
-
-
[7]
-
-
[7]
[7:0]
-
[3]
-
-
[3]
-
-
[3]
-
-
[3]
[7:0]
-
[3:0]
-
-
[3:0]
-
-
[3:0]
-
-
[3:0]
[3:0]
-
端口E
-
端口F
-
端口G
端口H
-
PS017610-0404
通用I / O
ZILOG [ ZILOG, INC. ]
