Samsung KS57C2308 Manual page 240

TIMERS and TIMER/COUNTERS
TMOD0.6 TMOD0.5
0
0
1
1
1
1
:
NOTE "fxx" = selected system clock of 4.19 MHz.
+ +
PROGRAMMING TIP — Restarting TC0 Counting Operation
1. Set TC0 timer interval to 4.09 kHz:
BITS
SMB
LD
LD
EI
BITS
2. Clear TCNT0, IRQT0, and TOL0 and restart TC0 counting operation:
BITS
SMB
BITS
11-18
Table 11-7. TMOD0.6, TMOD0.5, and TMOD0.4 Bit Settings
TMOD0.4
0 0
0 1
0 0
0 1
1 0
1 1
EMB
15
EA,#4CH
TMOD0,EA
IET0
EMB
15
TMOD0.3
Resulting Counter Source and Clock Frequency
External clock input (TCL0) on rising edges
External clock input (TCL0) on falling edges
10
fxx/2 (4.09 kHz)
8
fxx /2 (16.4 kHz)
6
fxx/2 (65.5 kHz)
4
fxx/2 (262 kHz)
KS57C2308/P2308/C2316/P2316