Cacon – Samsung S3F80JB User Manual

Page 73

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CONTROL REGISTERS

S3F80JB

4-6

CACON

— Counter A Control Register

F3H

Set1

Bank0

Bit

Identifier

.7 .6 .5 .4 .3 .2 .1 .0

Reset Value

0 0 0 0 0 0 0 0

Read/Write

R/W R/W R/W R/W R/W R/W R/W R/W

Addressing Mode

Register addressing mode only

.7 and .6

Counter A Input Clock Selection Bits

0 0

f

OSC

0 1

f

OSC

/2

1 0

f

OSC

/4

1 1

f

OSC

/8

.5 and .4

Counter A Interrupt Timing Selection Bits

0

0

Elapsed time for Low data value

0

1

Elapsed time for High data value

1

0

Elapsed time for combined Low and High data values

1 1

Not

used

for

S3F80JB.

.3

Counter A Interrupt Enable Bit

0 Disable

interrupt

1 Enable

interrupt

.2

Counter A Start Bit

0 Stop

counter

A

1 Start

counter

A

.1

Counter A Mode Selection Bit

0 One-shot

mode

1 Repeating

mode

.0

Counter A Output Flip-Flop Control Bit

0

Flip-Flop Low level (T-FF = Low)

1

Flip-flop High level (T-FF = High)

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