DMC42P4008 Ver la hoja de datos (PDF) - Daewoo Semiconductor
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DMC42P4008 Datasheet PDF : 20 Pages
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4Bit Single Chip Microcontroller
7
DMC42C4008
PIN DESCRIPTION
PIN
SYMBOL
P00
P01
P02
P03
P10
P11
P12
P13
P20
P21~ P23
P3
P4
P5
P6
P7
P8
P9
PA
PB
PC
PD
INT0/TI0
INT1/TI1
INT2/TI2
INT3
SCK
SI
SO
BUZ
CLO
Key scan
AD0~AD3
AD4~AD7
XI
XO
RESETB
TEST
AVDD, AVSS
VDD, VSS
SHARED
PIN
INT0/TI0
INT1/TI1
INT2/TI2
INT3
SCK
SI
SO
BUZ
CLO
-
-
-
-
-
-
-
-
AD0~AD3
AD4~AD7
-
-
P00
P01
P02
P03
P10
P11
P12
P13
P20
P4-P5
PA
PB
-
-
-
-
-
I/O
FUNCTION
RESET PORT
TYPE
I/O
4-BIT I/O PORT
PORT 0
BPS
I/O
4-BIT I/O PORT
PORT 1
BPS
I/O
4-BIT I/O PORT
BP
PORT 2
I/O
4-BIT I/O PORT. PORT3
BP
4-BIT I/O PORT. PORT4
BD
4-BIT I/O PORT. PORT5
4-BIT I/O PORT. PORT6
BP-PDND
4-BIT I/O PORT. PORT7
INPUT
4-BIT I/O PORT. PORT8
4-BIT I/O PORT. PORT9
BP
4-BIT I/O PORT. PORTA
4-BIT I/O PORT. PORTB
4-BIT I/O PORT. PORTC
BD
4-BIT I/O PORT. PORTD
I
External interrupt input port
rising/falling edge detection
BP
Event pulse input port for the
timer/event counters
I/O
Serial clock in/out port
I
Serial data input port
BPS
O
Serial data output port
O
Buzzer output port
O
Clock output port
I
4, 6, 8, bits Key scan input selectable
BP
I Analog input for the 8-bit A/D converter
XI, XO are the input and output, resp-
ectively, of an inverting amplifier. The pins
can be configured for use as an on-chip
oscillator.
I
Reset input pin
I
Connect to VSS
Power & ground for the A/D converter
Power & ground
OSC1
IP1
BP1
NOTE ) P4, P5, PC, PD : 8-bit operation possible
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