ZiLOG Z8

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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

P37

0 P34, P37 Standard Output

1 P34, P37 Comparator Output

P37 OUT

PCON

P32

REF (P33)

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.

Other manuals for ZiLOG Z8