Z86C02 Datasheet, PDF (17/37 Pages) Zilog, Inc. – Two On-Board Comparators

Zilog
Z86C02/E02/L02
Cost Effective, 512-Byte ROM CMOS Z8^® Microcontrollers
Port 2, P27-P20. Port 2 is an 8-bit, bit programmable, bi- control to be inputs or outputs, independently. Bits pro-
directional, Schmitt-triggered CMOS compatible I/O port. grammed as outputs can be globally programmed as ei-
These eight I/O lines can be configured under software
ther push-pull or open-drain (Figure 9).
1
Z8
Port 2 (I/O)
Port 2
Open-Drain
Open
PAD
Out
1.5
2.3 Hysteresis VCC @ 5.0V
In
R 500 kΩ
Auto Latch Option
Figure 9. Port 2 Configuration
DS96DZ80301
PRELIMINARY
17