Z08617
| Model | Z08617 |
| Description | NMOS Z8 8-BIT MCU KEYBOARD CONTROLLER |
| PDF file | Total 26 pages (File size: 229K) |
| Chip Manufacturer | ZILOG |
Z08617 NMOS Z8
®
8-B
IT
MCU
K
EYBOARD
C
ONTROLLER
PIN FUNCTIONS
(Continued)
Port 1
(P17-P10). Port 1 is an 8-bit, byte programmable,
bidirectional, NMOS compatible I/O port. These eight I/O
lines are configured under software control program as a
byte input port or as an open-drain output port. When used
as an I/O port, inputs are standard NMOS (Figure 6).
Z8615
8
Port 1
I/O
(Open-Drain Output)
Input
Pad
OEN
Output
Figure 6. Port 1 Configuration
7
