18
8Bit Single Chip Microcontroller
DMC73C168
PF NAME
:
T2MSDATA
:
TIMER 2 MS BYTE DATA REGISTER
BIT 5 BIT 4 BIT 3 BIT 2 BIT 1
R/W
READ
WRITE
BIT 7
BIT 6
BIT 0
P8
>0108
MSB READOUT LATCH
MSB READOUT REGISTER
RESET VALUE
X
X
X
X
X
X
X
X
PF NAME
:
T2LSDATA
:
TIMER 2 LS BYTE DATA REGISTER
BIT 5 BIT 4 BIT 3 BIT 2 BIT 1
R/W
READ
WRITE
BIT 7
BIT 6
BIT 0
P9
>0109
LSB DECREMENTER VALUE
LSB RELOAD REGISTER
RESET VALUE
X
X
X
X
X
X
X
X
PF NAME
:
T2CTL0
BIT 7
:
TIMER 2 CONTROL REGISTER 0
R/W
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
P10
READ
MSB READOUT LATCH
>010A
WRITE CASCADE T2OUT
X
X
X
X
X
X
X
X
X
X
X
X
RESET VALUE
T2OUT :
O
O
Timer 2 toggle output enable bit.
This write bit determines PORT B1 is timer 2 toggle output pin or normal I/O pin.
0 = PORT B1 is normal I/O pin.
1 = PORT B1 is timer 1 toggle output pin, and B1 is toggle when Timer 2
decrements through zero value.
CASCADE :
Timer 2 cascade control bit
0 = Timer 2 is not cascaded with Timer 1, Timer 2 clock is determined by
source bit.
1 = Timer 1 and 2 are cascaded, clock source is generated by Timer 1 reload
pulse, overrides source bit.
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DAEWOO ELECTRONICS CO., LTD.
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