GMS81604 View Datasheet(PDF) - Hyundai Micro Electronics

Part Name

Description

View to exact match

GMS81604

LG Semicon. CMOS single-chip 8-bit microcontroller. ROM size 8K bytes. 256 bytes of on-chip data RAM

Hyundai Micro Electronics 

GMS81604/08

LG Semicon

Port Pin I/O

Descriptions

Primary Functions

Secondary Functions

Pull-up/

Pull-down

RESET

STOP

Mode

VDD

-

Power supply to MCU

-

-

-

-

VSS

-

Ground

-

-

-

-

AVDD

-

Power supply for ADC

-

-

-

-

TEST

I

Test mode

-

-

-

-

RESET

I

Reset the MCU

-

Pull-up

Low

Last state

XIN

I

Oscillation input

-

-

Oscillation

Low

XOUT

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

R501)

I/O

R511)

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 50~100kΩ). Other pin impedance is very high(High-Z).

8

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