7
4Bit Single Chip Microcontroller
DMC42C3008
PIN DESCRIPTION
PIN
SYMBOL
P00
P01
P02
P03
P10
P11
P12
P13
P20
P21~ P23
P4
P5
P6
PA
PB
PC2
PC3
INT0
INT1
INT2/TI2
INT3
SCK
SI
SO
BUZ
CLO
TOC
Key scan
AD0~AD3
AD4~AD7
XI
SHARED
PIN
INT0
INT1
INT2/TI2
INT3
SCK
SI
SO
BUZ
CLO
-
-
-
-
AD0~AD3
AD4~AD7
-
TOC
P00
P01
P02
P03
P10
P11
P12
P13
P20
PC3
P4-P5
PA
PB
I/O
FUNCTION
RESET
PORT
TYPE
BHPS
I/O
4-BIT I/O HIGH VOLTAGE PORT
PORT 0
I/O
I/O
4-BIT I/O PORT
PORT 1
( P13 HIGH VOLTAGE PIN )
4-BIT I/O HIGH VOLTAGE PORT
PORT 2
4-BIT I/O HIGH VOLTAGE PORT. PORT4
4-BIT I/O HIGH VOLTAGE PORT. PORT5
4-BIT I/O HIGH VOLTAGE PORT. PORT6
4-BIT I/O PORT. PORTA
4-BIT I/O PORT. PORTB
2-BIT I/O PORT. PORTC
External interrupt input port
rising/falling edge detection
Event pulse input port for the
timer/event counters
Serial clock in/out port
Serial data input port
Serial data output port
Buzzer output port
Clock output port
PWM output port
4, 6, 8 bits Key scan input selectable
Analog input for the 8-bit A/D converter
INPUT
BP
BHP
BHP
BHP
BHP
BHP-PDND
BP
BP
BP
I
BHPS
I/O
I
O
O
O
O
I
I
I
BP
BHP
BHP
BP
BHP
BP
BIN
BOU
T
BIN
BIN
XI, XO are the input and output, resp-
-
ectively, of an inverting amplifier. The pins
can be configured for use as an on-chip
O
X
oscillator.
O
RESETB
-
I
Reset input pin
TEST
-
I
Normally connect to VSS
V
disp
-
Used as a high-voltage output power
supply pin.
AVDD, AVSS
-
Power & ground for the A/D converter
VDD, VSS
-
Power & ground
* Note ) P4, P5 : 8-bit operation possible
DAEWOO [ DAEWOO SEMICONDUCTOR ]
