EM73A89B datasheet(3/58 Pages) EMC

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* This specification are subject to be changed without notice.

EM73A89B

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

8.16.2001

Preliminary

Symbol

Pin-type

Function

P8.0(INT1)/WAKEUPA I/O-X1

2-bit bidirection I/O port with external interrupt sources input and IDLE

P8.2(INT0)/WAKEUPC

/STOP releasing function

mask option :

wakeup enable, normal current push-pull

wakeup ensable, low current push-pull

wakeup disable, high current push-pull

wakeup disable, normal current push-pull

wakeup disable, low current push-pull

wakeup disable, open drain

P8.1(TRGB)/WAKEUPB I/O-X1

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

P8.3(TRGA)/WAKEUPD

/STOP releasing function

mask option :

wakeup enable, normal current push-pull

wakeup ensable, low current push-pull

wakeup disable, high current push-pull

wakeup disable, normal current push-pull

wakeup disable, low current push-pull

wakeup disable, open drain

VCA, VCB, V1~V6

LCD bias voltage pins

BZ1/VO

PWM or current D/A output pin for speech synthesizer by mask option

BZ2

PWM output pin for speech synthesizer

TEST

Tie Vss as package type, no connecting as COB type.

*16 COMMONS :

COM0~COM15

LCD common output pins

SEG0~SEG59

LCD segment output pins

P1(0..3)/SEG63..60

I/O-P

4-bit bidirection I/O pins with LCD segment pins

mask option :

LCD segment pin

push-pull

open-drain

P2(0..3),P5(0..3),

I/O-P

16-bit bidirection I/O pins

P6(0..3),P7(0..3)

mask option :

push-pull

open-drain

*32 COMMONS :

COM0~COM31

LCD common output pins

SEG0~SEG43

LCD segment output pins

P1(0..3)/SEG63..60,

I/O-P

16-bit bidirection I/O pins with LCD segment pins

P2(0..3)/SEG59..56,

mask option :

LCD segment pin

P5(0..3)/SEG55..52,

push-pull

P6(0..3)/SEG51..48,

open-drain

P7(0..3)/SEG47..44

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