Z86E3016PSG Datasheet, PDF (101/348 Pages) Zilog, Inc. – Z86E3016PSG

Z8 CPU
User Manual
83
Z8
P30
P31 (AN1)
+
-
P32 (AN2)
+
-
P33 (REF)
P30
P31
P32
P33
Port 3
(I/O or Control)
P34
P35
P36
P37
Autolatch
R ≈ 500 KΩ
R247 = P3M
D1
DIG.
AN.
1 = Analog
0 = Digital
P30 Data
Latch IRQ3
IRQ2, T_IN, P31 Data Latch
IRQ0, P32 Data Latch
From Stop-Mode
Recovery Source
IRQ1, P33 Data Latch
Figure 45. Port 3 Configuration with Comparator, Autolatch,
and Schmitt-Trigger
UM001602-0904
I/O Ports