EM73P968 查看數據表（PDF） - ELAN Microelectronics

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EM73P968

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

ELAN Microelectronics 

FUNCTION BLOCK DIAGRAM

EM73P968

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

Preliminary

VDD RESET XOUT XIN LXOUT LXIN

TEST

V1

V2

V3

VRLC

Reset

Control

Clock

Generator

Clock

Generator

(slow)

Timing

Generator

Interrupt

Control

Instruction Decoder

Instruction Register

System Control

Data pointer

ACC

ALU

Time

Base

Timer/Counter

(TA,TB)

ROM

Flag

Z CS

PC

LCD

ADC

Sleep Mode

Control

Stack pointer

Stack

RAM

HR LR

I/O Control

SPI

P15.0/P15.1/

WAKEUP

P0/WAKEUP

P2 /WAKEUP

P4 /WAKEUP

P5 /WAKEUP

PIN DESCRIPTIONS

Symbol

Pin-type

Function

VDD

Power supply (+)

VSS

Power supply (-)

Vref

ADC power (+)

VAD

VADSS

RESET

RESET-A

ADC power (+)

ADC power (-)

System reset input signal, low active

mask option : none

pull-up

XIN/RCOSC

OSC-A/OSC-H1 Crystal/RC clock source connecting pin

XOUT

OSC-A

Crystal connecting pin

LXIN

OSC-B/OSC-H2 Crystal/RC connecting pin for low speed clock source

LXOUT

OSC-B

Crystal connecting pin for low speed clock source

P0(0..3)/WAKEUP(0..3) INPUT-K

4-bit input port with IDLE/STOP 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 1 : wakeup disable

wakeup enable

mask option 2 :low current pull up

normal current pull up

high current pull up

none

* This specification are subject to be changed without notice.

8.14.2001 2

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