DMC73C168 データシートの表示（PDF） - Daewoo Semiconductor
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DMC73C168 Datasheet PDF : 82 Pages
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8Bit Single Chip Microcontroller
17
DMC73C168
2) TIMER 1 & 2 CONTROL REGISTERS
PF NAME : T1MSDATA
R/W BIT 7
P4
READ
>0104 WRITE
RESET VALUE
X
: TIMER 1 MS BYTE DATA REGISTER
BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1
MSB READOUT LATCH
MSB READOUT LATCH
X
X
X
X
X
X
BIT 0
X
PF NAME : T1LSDATA
R/W BIT 7
P5
READ
>0105 WRITE
RESET VALUE
X
: TIMER 1 LS BYTE DATA REGISTER
BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1
LSB DECREMENTER VALUE
LSB RELOAD REGISTER
X
X
X
X
X
X
BIT 0
X
PF NAME : T1CTL0
: TIMER 1 CONTROL REGISTER 0
R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
P6
READ
MSB READOUT LATCH
>0106 WRITE
X T1OUT X
X
X
X
X
X
RESET VALUE
T1OUT :
X
O
X
X
X
X
X
X
Timer 1 toggle output enable bit.
This write bit determines PORT B0 is timer 1 toggle output pin or normal I/O pin.
0 = PORT B0 is normal I/O pin.
1 = PORT B0 is timer 1 toggle output in, and B0 is toggle when Timer 1
decrements through zero value.
PF NAME : T1CTL1
: TIMER 1 CONTROL REGISTER 1
R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
P7
READ
LSB CAPTURE LATCH
>0107 WRITE START1 SOURC1 T1HALT PRESCALER RELOAD REGISTER (PL)
RESET VALUE
O
X
O
X
X
X
X
X
Write : SOURC1 : 0 = Internal clock source Fosc/4
1 = External clock source from A4/ECI1
START1 : 0 = Timer 1 is stop, hold current count value and clear INT2 flag.
1 = Timer 1 reloads prescaler and decrementer, begins decrementing.
T1HALT : 0 = Timer 1 remains active when execute IDLE instruction. (WAKE-UP)
1 = Timer 1 will halt when execute IDLE instruction. (HALT)
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DAEWOO ELECTRONICS CO., LTD.
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