ZiLOG Z8

Z8 Microcontrollers
I/O Ports ZiLOG
5-6 UM001601-0803
5.3 PORT 1 (Continued)
Figure 5-7. Port 1 Configuration with Open-Drain Capability, Auto Latch, and Schmitt-Trigger
OEN
Port 1
(I/O or AD7 - AD0)
Handshake Controls
/DAV1 and RDY1
8
Z8
(P33 and P34)
PIN
OUT
IN
2.3V Hysteresis
OPEN-DRAIN
1.5
R ≈ 500 KΩ
Auto Latch