19
8Bit Single Chip Microcontroller
DMC73C168
PF NAME
:
T2CTL1
:
TIMER 2 CONTROL REGISTER 1
BIT 5 BIT 4 BIT 3 BIT 2
LSB CAPTURE LATCH
START2 SOURC2 T2HALT PRESCALER RELOAD REGISTER (PL)
R/W BIT 7
BIT 6
BIT 1 BIT 0
P11
READ
>010B
WRITE
RESET VALUE
Write SOURC2 : 0 = Internal clock source Fosc/4
1 = External clock source from A5/ECI2
START2 : 0 = Timer 2 is stop, hold current count value and clear INT6 flag.
O
X
O
X
X
X
X
X
:
1 = Timer 2 reloads prescaler and decrementer, begins decrementing.
T2HALT : 0 = Timer 2 remains active when execute IDLE instruction. (WAKE-UP)
1 = Timer 2 will halt when execute IDLE instruction. (HALT)
3) A/D CONVERTER REGISTERS
PF NAME
:
APSLCT
:
PORT A SELECT CONTROL REGISTER
R/W
BIT 7
BIT 6
INT40SEL
BIT 5 BIT 4
NOT USED
NOT USED
BIT 3
BIT 2
BIT 1
BIT 0
P13
READ
AD2SEL AD1SEL
INT3SEL
AMIFSEL FMIFSEL
>010C
WRITE
INT3SEL INT40SEL
AD2SEL AD1SEL AMIFSEL FMIFSEL
RESET VALUE
FMIFSEL
O
O
O
O
O
O
O
O
AMIFSEL :
FM and AM IF input enable bits. This read/write bits disable digital inputs
when FM and AM IF inputs are enabled.
0 = PORT A0 and A1 are normal I/O pins.
1 = PORT A0 and A1 are disabled.
AD1SEL
AD2SEL :
A/D converter input enable bits. This read/write bits disable digital inputs
when A/D converter inputs when A/D converter inputs are enabled.
0 = PORT A2 and A3 are normal I/O pins.
1 = PORT A2 and A3 are disabled.
INT40SEL
INT3SEL :
External interrupt 3 and 4-0 input enable bits. This read/write disable Digital
inputs when A/D converter inputs are enabled.
0 = PORT A7 and A6 are normal I/O pins.
1 = PORT A7 and A6 are disabled
£Ä£Á£Å£×£Ï £Ï
DAEWOO ELECTRONICS CO., LTD.
DAEWOO [ DAEWOO Electronic Components ]
