ZiLOG Z8 User Manual

Z8 Microcontrollers
I/O Ports ZiLOG
5-26 UM001601-0803
5.8.2 Comparator Programming
Example of enabling analog comparator mode.
Note: X = Any Binary Number
Example of enabling analog comparator output.
Figure 5-33. Port 3 Configuration
PIN
P37
0 P34, P37 Standard Output
1 P34, P37 Comparator Output
D0
P37 OUT
PCON
P32
REF (P33)
+
-
PIN
P34
P34 OUT
P31
REF (P33)
+
-
LD P3M, #XXXX XX1XB
LD RP, #%0FH ;Sets register pointer to
;working register group 0
;and Expanded Register
;File Bank F.
LD R0, #XXXX
XXX1B
;Enables comparator
;outputs using PCON
;Register programming.

ZiLOG Z8 Specifications

General

Brand	ZiLOG
Model	Z8
Category	Desktop
Language	English