s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 291
s3c72m9
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.
Datasheet
1.S3C72M9.pdf
(382 pages)
- Current page: 291 of 382
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S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
NOTE
F
1. Set TC1A timer interval to 4.09 kHz:
2. Clear TCNT1A, IRQT1, and TOL1 and restart TC1A counting operation:
TMOD1A.6
PROGRAMMING TIP — Restarting TC1A 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
TMOD1A.5
Table 11-15. TMOD1A.6, TMOD1A.5, and TMOD1A.4 Bit Settings
0
0
0
0
1
1
EMB
15
EA,#4CH
TMOD1A,EA
IET1
EMB
15
TMOD1A.3
TMOD1A.4
0
1
0
1
0
1
External clock input (TCL1) on rising edges
External clock input (TCL1) 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
TIMERS and TIMER/COUNTERS
11-43
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