Cacon – Samsung S3F80JB User Manual
Page 73

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)