EM73361A Ver la hoja de datos (PDF) - ELAN Microelectronics

Número de pieza

componentes Descripción

Fabricante

EM73361A

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

ELAN Microelectronics 

EM73361A

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

Symbol

P4.0/TONE

P4.1/WDT

P4(2..3)/SEG(26..25)

P5(0..3)/SEG(24..21)

P6(0..3)/SEG(20..17)

P7(0..3)/SEG(16..13)

TONE

VA, VB, VEE

COM0~COM2

SEG0~SEG12

TEST

Pin-type

I/O-O

I/O-D

I/O-P

Function

wakeup disable, pull-up

wakeup disable, pull-down

wakeup disable, none

1-bit bidirection I/O pin or inverse tone generator output

mask option : TONE enable, push-pull, high current PMOS

TONE disable, open-drain

TONE disable, push-pull, high current PMOS

TONE disable, push-pull, low current PMOS

1-bit bidirection I/O pin with watch-dog-timer output

mask option : open-drain

push-pull

4-bit bidirection I/O ports are shared with LCD segment pins

mask option : segment enable, open-drain

segment disable, push-pull

segment disable, open-drain

Built-in tone generator output

Connect the capacitors for LCD bias voltage

LCD common output pins

LCD segment output pins

Tie Vss as package type, no connecting as COB type

FUNCTION DESCRIPTIONS

PROGRAM ROM ( 3K X 8 bits )

3 K x 8 bits program ROM contains user's program and some fixed data .

The basic structure of program ROM can be divided into 4 parts.

1. Address 000h: Reset start address.

2. Address 002h - 00Ch: 4 kinds of interrupt service routine entry addresses .

3. Address 00Eh-086h : SCALL subroutine entry address, only available at 00Eh,016h,01Eh,026h, 02Eh,

036h, 03Eh, 046h, 04Eh, 056h, 05Eh, 066h, 06Eh, 076h ,07Eh, 086h .

4. Address 000h - 7FFh : LCALL subroutine entry address

5. Address 000h - BFFh : Except used as above function, the other region can be used as user's program region.

address

000h

002h

004h

006h

008h

00Ah

00Ch

00Eh

086h

...

BFFh

3072 x 8 bits

Reset start address

INT0 ; External interrupt service toutine entry address

TRGA; Timer/counter A interrupt service routine entry address

TRGB; Timer/counter B interrupt service routine entry address

TBI; Time base interrupt service routine entry address

INT1; External interrupt service routine entry address

SCALL, subroutine call entry address

* This specification are subject to be changed without notice.

10.8.2001 4

Share Link: