EM73P982 datasheet(3/41 Pages) EMC

3 / 41 page

* This specification are subject to be changed without notice.

EM73P982

4-BIT MICROCONTROLLER

12.25.2001

P8.1(TRGB)/WAKEUPB I/O-L

2-bit bidirection I/O port with time/counter A,B external input and Sleep

P8.3(TRGA)/WAKEUPD

/Hold releasing function

P8.1/DOUT : Data output for programming OTP

mask option :

wakeup enable, push-pull

wakeup disable, push-pull

wakeup disable, open-drain

Built-in Speech synthesizer analog signal output

SOUND

Built-in sound effect output

COM0~COM7

LCD common output pins

SEG0~SEG39

LCD segment output pins

TEST

Test pin must be floating

VPP

High voltage (12V) power source for programming OTP

P4.0/SOUND

I/O-O

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

mask option :

SOUND enable, push-pull, high current PMOS

SOUND disable, open-drain

SOUND disable, push-pull, high current PMOS

SOUND disable, push-pull, low current PMOS

P4(1..3)

I/O-N

3-bit bidirection I/O port with high current source.

mask option :

open-drain

push-pull, high current PMOS

push-pull, low current PMOS

P8.0/WAKEUPA

I/O-L

2-bit bidirection I/O port with external interrupt sources input only for

P8.2(INT0)/WAKEUPC

P8.2 and Sleep/Hold releasing function

P8.0/DIN : Data input for programming OTP

mask option :

wakeup enable, push-pull

wakeup disable, push-pull

wakeup disable, open-drain

Symbol

Pin-type

Function

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