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EM73A89B

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

ELAN Microelectronics 

Symbol

Pin-type

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

P8.2(INT0)/WAKEUPC

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

P8.3(TRGA)/WAKEUPD

VCA, VCB, V1~V6

BZ1/VO

BZ2

TEST

*16 COMMONS :

COM0~COM15

SEG0~SEG59

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

I/O-P

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

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

I/O-P

*32 COMMONS :

COM0~COM31

SEG0~SEG43

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

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

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

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

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

I/O-P

EM73A89B

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

Preliminary

Function

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

/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

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

/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

LCD bias voltage pins

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

PWM output pin for speech synthesizer

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

LCD common output pins

LCD segment output pins

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

mask option :

LCD segment pin

push-pull

open-drain

16-bit bidirection I/O pins

mask option :

push-pull

open-drain

LCD common output pins

LCD segment output pins

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

mask option :

LCD segment pin

push-pull

open-drain

* This specification are subject to be changed without notice.

8.16.2001 3

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