M80C196KB

WSR

76543210

0

0

0

0

WWWW

14h

readwrite

WWWWe 0

SFRs function like a superset of M8096 SFRs

WWWWe14

PPW register

WWWWe15

Exchange readwrite registers

WWWWeOTHER

Undefined do not use

0000

These bits must always be written as zeros to provide compatibility

with future products

IOS2

76543210

START

T2

HSO5 HSO4 HSO3 HSO2 HSO1 HSO0

A2D

RESET

17h

read

Indicates which HSO event occured

START A2D

HSO

CMD 15 start A to D

T2RESET

HSO

CMD 14 Timer 2 reset

HSO0-5

Output pins HSO0 through HSO5

IOC2

76543210

CLEAR

ENA

T2ALT

A2D

X

SLOW

T2UD

FAST

CAM

LOCK

INT

CPD

PWM

ENA

T2EN

0Bh

CLEAR

CAM

Clear Entire CAM

write

ENA

LOCK

Enable lockable CAM entry feature

T2ALT INT

Enable T2 Alternate Interrupt at 8000H

A2D

CPD

Clock Prescale Disable for low XTAL frequency (A to D conversion in

fewer state times)

X

Set to 0

SLOW

PWM

Turn on divide by 2 Prescaler on PWM

T2UD ENA

Enable Timer 2 as updown counter

FAST

T2EN

Enable Fast increment of T2 once per state time

The following registers are the same on the M80C196KB as they were on the M8096BH

AD Result LO (02H)

271089 – 4

AD Command (02H)

271089 – 5

18