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Número de pieza
componentes Descripción
GMS81604PL Ver la hoja de datos (PDF) - Hyundai Micro Electronics
Número de pieza
componentes Descripción
Fabricante
GMS81604PL
LG Semicon. CMOS single-chip 8-bit microcontroller. ROM size 8K bytes. 256 bytes of on-chip data RAM
Hyundai Micro Electronics
GMS81604PL Datasheet PDF : 79 Pages
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GMS81604/08
LG Semicon
Port Pin I/O
Descriptions
Primary Functions
Secondary Functions
Pull-up/
Pull-down
RESET
STOP
Mode
V
DD
-
Power supply to MCU
-
-
-
-
V
SS
-
Ground
-
-
-
-
AV
DD
-
Power supply for ADC
-
-
-
-
TEST
I
Test mode
-
-
-
-
RESET
I
Reset the MCU
-
Pull-up
Low
Last state
X
IN
I
Oscillation input
-
-
Oscillation
Low
X
OUT
O Oscillation output
-
-
Oscillation
High
R00~R07 I/O General I/O
-
-
Input
3)
Last state
R10~R17 I/O General I/O
-
-
Input
3)
Last state
R40/INT0 I/O
R41/INT1 I/O
R42/INT2 I/O
R43/INT3 I/O
R44/EC0 I/O
R45/EC2 I/O
R46/T1O I/O
R47/T3O I/O
R50
1)
I/O
R51
1)
I/O
R55/BUZ I/O
General I/O
"
"
"
"
"
"
"
General I/O
"
"
External interrupt 0
External interrupt 1
External interrupt 2
External interrupt 3
External count input 0
External count input 2
Timer 1 output
Timer 3 output
-
-
Buzzer driving output
-
Pull-up
2)
Pull-up
2)
-
Input
3)
Input
3)
Last state
Last state
R60/AN0
I
General Input
R61/AN1
I
"
R62/AN2
I
"
R63/AN3
I
"
R64/AN4 I/O General I/O
R65/AN5 I/O "
R66/AN6 I/O "
R67/AN7 I/O "
Analog input 0
Analog input 1
Analog input 2
Analog input 3
Analog input 4
Analog input 5
Analog input 6
Analog input 7
-
Input
3)
Last state
NOTES:
1. R50 and R51 are not physically served on 40 pin package.
2. When input mode is selected, pull-up is activated. In output mode, pull-up is de-activated.
3. In reset status, status of R50,R51 are weak high (Typ. impedance 50~100k
Ω
). Other pin impedance is very high(High-Z).
8
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