EM73P982 Ver la hoja de datos (PDF) - ELAN Microelectronics

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Fabricante

EM73P982

4-BIT MICROCONTROLLER

ELAN Microelectronics 

EM73P982

4-BIT MICROCONTROLLER

FUNCTION BLOCK DIAGRAM

RESET

XIN/CLK XOUT/NC

Reset

Control

Clock

Generator

Timing

Generator

System Control

Interrupt

Control

Instruction Decoder

Instruction Register

Time

Base

Timer/Counter

(TA,TB)

ROM

PC

Data pointer

ACC

ALU

Flag

ZC S

Sleep Mode

Control

Stack pointer

Stack

ROM

HR LR

LCD Driver

Voice

Synthesizer

SOUND GEN.

I/O Control

P0.0/WAKEUP0

P0.1/WAKEUP1

P0.2/WAKEUP2

P0.3/WAKEUP3

PIN DESCRIPTIONS

Symbol

Pin-type

Function

VDD

VSS

RESET

RESET-A

Power supply (+)

Power supply (-)

System reset input signal, low active

mask option :

none

pull-up

XIN/CLK

OSC-A/OSC-C Crystal/RC or external clock source connecting pin

XOUT/NC

OSC-A/OSC-C Crystal connecting pin

P0.(0..3)/WAKEUP0..3 INPUT-B

4-bit input port with Sleep/Hold releasing function

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

P0.1/PGMB : program data to OTP cells for programming OTP

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

P0.3/DCLK : data in/out clock signal for programming OTP

mask option :

wakeup enable, pull-up

wakeup enable, none

wakeup disable, pull-up

wakeup disable, pull-down

wakeup disable, none

* This specification are subject to be changed without notice.

12.25.2001 2

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