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S3C72P9 Datasheet(PDF) 89 Page - Samsung semiconductor

Part # S3C72P9
Description  SINGLE-CHIP MICROCONTROLLER HAS BEEN DESIGNED FOR HIGH PERFORMANCE USING
PDF  225 Pages
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Manufacturer  SAMSUNG [Samsung semiconductor]
Direct Link  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

S3C72P9 Datasheet(HTML) 89 Page - Samsung semiconductor

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S3C72P9/P72P9 (Preliminary Spec)
MEMORY MAP
4-39
TMOD1 — Timer/Counter 1 Mode Register
T/C
FA1H, FA0H
Bit
3
2
1
0
3
2
1
0
Identifier
"0"
.6
.5
.4
.3
.2
"0"
"0"
RESET
RESET Value
0
0
0
0
0
0
0
0
Read/Write
W
W
W
W
W
W
W
W
Bit Addressing
8
8
8
8
1/8
8
8
8
TMOD1.7
Bit 7
0
Always logic zero
TMOD1.6 – .4
Timer/Counter 1 Input Clock Selection Bit
0
0
0
External clock input at TCL1 pin on rising edge
0
0
1
External clock input at TCL1 pin on falling edge
1
0
0
fxx/210 (4.09 kHz)
1
0
1
fxx/28 (16.4 kHz)
1
1
0
fxx/26 (65.5 kHz)
1
1
1
fxx/24 (262 kHz)
NOTE:
“fxx” is selected system clock of 4.19 MHz
TMOD1.3
Clear Counter and Resume Counting Control Bit
1
Clear TCNT1, IRQT1, and TOL1 and resume counting immediately
(This bit is cleared automatically when counting starts.)
TMOD1.2
Enable/Disable Timer/Counter 1 Bit
0
Disable timer/counter 1; retain TCNT1 contents
1
Enable timer/counter 1
TMOD1.1
Bit 1
0
Always logic zero
TMOD1.0
Bit 0
0
Always logic zero



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