參數(shù)資料
型號(hào): Z86K17
廠商: ZiLOG, Inc.
英文描述: CMOS Z8 8-Bit MCU Keyboard Controllers
中文描述: Z8的CMOS 8位微控制器鍵盤(pán)控制器
文件頁(yè)數(shù): 12/24頁(yè)
文件大小: 170K
代理商: Z86K17
Z86K13/K14/K15/K16/K17/K18
CMOS Z8 8-Bit MCU Keyboard Controllers
Zilog
12
P R E L I M I N A R Y
DS97KEY0204
PIN FUNCTIONS
(Continued)
Port 3
(P37-P30). Port 3 is an 8-bit, CMOS-compatible
four-fixed input (P33-P30) and four-fixed output (P37-P34)
I/O port. Port 3 inputs have 10.4 Kohm pull-up resistors.
Outputs are capable of directly driving LED.
Port 3 is configured under software control to provide four
external interrupt request signals (IRQ0-IRQ3).
Figure 10. Port 3 Configuration
Port 3
Z86KXX
Output
Pad
(a) Port 3 P34-P37
(b) Port 3 P30-P33
Input
Pad
10.4 kOhms
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