ZiLOG Z8 User Manual page 71

Z8 Microcontrollers
I/O Ports
5.8 ANALOG COMPARATORS (Continued)
Z8
P30
P31 (AN1)
P32 (AN2)
P33 (REF)
From Stop-Mode
Recovery Source
Figure 5-32. Port Configuration of Comparator Inputs on P31, P32, and P33
5-25
P30
P31
P32
P33
P34
P35
P36
P37
R247 = P3M
D1
DIG.
AN.
+
-
+
-
Port 3
(I/O or Control)
Auto Latch
R ≈ 500 KΩ
1 = Analog
0 = Digital
ZiLOG
P30 Data
Latch IRQ3
IRQ2, T , P31 Data Latch
IN
IRQ0, P32 Data Latch
IRQ1, P33 Data Latch
UM001601-0803