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EM73P362

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

ELAN Microelectronics 

EM73P362

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

FUNCTION BLOCK DIAGRAM

RESET

XIN XOUT

Reset

Control

WDT

Clock

Generator

Frequency

doubler

Timing

Generator

Sleep Mode

Control

System Control

Interrupt

Control

Instruction Decoder

Instruction Register

ROM

Time 12-bit

Base timer

(TA)

PC

Data pointer

ACC

ALU

Flag

ZCS G

Stack pointer

Stack

RAM

HR LR

I/O Control

P0.0(INT1)/WAKEUP0

P0.1/WAKEUP1

P0.2(INT0)/WAKEUP2

P0.3/WAKEUP3

VA

VB

VEE

LCD

driver

COM0~COM2

SEG0~SEG14

P6,P7,P8/SEG(26..15)

Low battery detector

Tone generator

High speed counter

BAT

TONE

P4.0(RX)/TONE

P4.1(CS)

P4.2(RY)

P4.3(RZ)

PIN DESCRIPTIONS

Pin name

VDD

VSS

RESET

XIN

XOUT

P0.0(INT1)/WAKEUP0,

P0.2(INT0)/WAKEUP2

Function

Power supply (+), Power supply (+) for programming OTP

Power supply (-), Power supply (-) for programming OTP

System reset input signal, low active

mask option : none

pull-up

Crystal / external resistor or external clock source

connecting pin

Crystal / external resistor connecting pin

2-bit input pins with external interrupt sources input

and STOP/IDLE releasing function

mask option : wake-up enable, pull-up

wakeup enable, none

wakeup disable, pull-up

wakeup disable, pull-down

wakeup disable, none

In programming OTP mode:

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

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

* This specification are subject to be changed without notice.

PIN type

RESET_A

OSC_A / OSC_F

OSC_A / OSC_F

INPUT_J

11.1.2001 3

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