s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 266

• Manufacturer Part Number: s3c72m9
• Description: The S3c72m5/s3c72m7/s3c72m9 Single-chip Cmos Microcontroller Has Been Designed For High Performance Using Samsung S
• Manufacturer: Samsung Semiconductor, Inc.

TIMERS and TIMER/COUNTERS
NOTE
F
1. Set TC0 timer interval to 4.09 kHz:
2. Clear TCNT0, IRQT0, and TOL0 and restart TC0 counting operation:
11-18
TMOD0.6
PROGRAMMING TIP — Restarting TC0 Counting Operation
:
0
0
1
1
1
1
'fxx' = selected system clock of 4.19 MHz.
BITS
SMB
LD
LD
EI
BITS
BITS
SMB
BITS
TMOD0.5
0
0
0
0
1
1
Table 11-7. TMOD0.6, TMOD0.5, and TMOD0.4 Bit Settings
EMB
15
EA,#4CH
TMOD0,EA
IET0
EMB
15
TMOD0.3
TMOD0.4
0
1
0
1
0
1
External clock input (TCL0) on rising edges
External clock input (TCL0) on falling edges
fxx/2
fxx /2
fxx/2
fxx = 4.19 MHz
10
4
6
Resulting Counter Source and Clock Frequency
(262 kHz)
(65.5 kHz)
(4.09 kHz)
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)