EM73P461 datasheet(3/38 Pages) EMC

3 / 38 page

* This specification are subject to be changed without notice.

EM73P461A

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

12.27.2001

Preliminary

Symbol

Pin-type

Function

Power supply (+)

Power supply (+) for programming OTP

Power supply (-)

Power supply (-) for programming OTP

RESET

RESET-A

System reset input signal, low active

Reset input signal for programming OTP

Always internal pull-up

CLK

OSC-I

RC clock source connecting pin

LXIN

OSC-B/OSC-H1 Crystal/RC connecting pin for low speed clock source

LXOUT

OSC-B

Crystal connecting pin for low speed clock source

P0(0..3)/WAKEUP0..3

INPUT-K

4-bit input port with IDLE releasing function

P0.0/ACLK : address counter clock for programming OTP

P0.1/PGMB : program data to OTP cells for programming OTP

P0.2/OEB : data output enable for programming OTP

P0.3/DCLK : data in/out clock signal for programming OTP

mask option :

wakeup enable, negative edge release, pull-up

wakeup enable, negative edge release, none

wakeup enable, positive edge release, pull-down

wakeup enable, positive edge release, none

wakeup disable, pull-up

wakeup disable, pull-down

wakeup disable, none

P4.0/SOUND

I/O-R

1-bit bidirection I/O port or inverse sound effect output

mask option :

SOUND enable, high current push-pull

SOUND disable, open-drain

SOUND disable, low current push-pull

SOUND disable, normal current push-pull

SOUND disable, high current push-pull

P4.1/TRGH

I/O-Q

1-bit bidirection I/O port with HTC external input

mask option :

NMOS open-drain

PMOS open-drain

low current push-pull

normal current push-pull

high current push-pull

P4(2,3)

I/O-Q

2-bit bidirection I/O port with high current source

mask option :

NMOS open-drain

PMOS open-drain

low current push-pull

normal current push-pull

high current push-pull

PIN DESCRIPTIONS

EM73P461 Datasheet(PDF) 3 Page - ELAN Microelectronics Corp

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