Z86C03 Datasheet, PDF (93/348 Pages) Zilog, Inc. – General-Purpose Register File. Flexible I/O. Analog Inputs

Z8 CPU
User Manual
75
OPEN-DRAIN
P21–P26 OE
P21–P26
PIN
P21–P26 OUT
1.5
P21–P26 IN
2.3V Hysteresis @ V_CC = 5.0V
R ≈ 500 KΩ
Autolatch
Figure 39. Port 2 Configuration with Open-Drain Capability,
Autolatch, and Schmitt-Trigger
UM001602-0904
I/O Ports