EM73866 データシートの表示（PDF） - ELAN Microelectronics

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EM73866

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

ELAN Microelectronics 

EM73866

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

FUNCTION BLOCK DIAGRAM

VDD RESET XOUT XIN LXOUT LXIN

TEST

V1

V2

V3

VRLC

Reset

Control

Clock

Generator

Clock

Generator

(slow)

Timing

Generator

Sleep Mode

Control

Interrupt

Control

Instruction Decoder

Instruction Register

Time

Base

Timer/Counter

(TA,TB)

ROM

System Control

Data pointer

ACC

ALU

Flag

Z CS

Stack pointer

Stack

RAM

HR LR

PC

LCD

I/O Control

P0(0..3)/WAKEUP(0..3)

P2(0..3)/WAKEUP(4..7)

P4(0..3) /WAKEUP(P8..11)

P5(0..3) /WAKEUP(P12..15)

P7.0/WAKEUPD

PIN DESCRIPTIONS

Symbol

Pin-type

Function

VDD

VSS

RESET

XIN/RCOSC

XOUT

LXIN

LXOUT

P0(0..3)/WAKEUP(0..3)

P2(0..3)/WAKEUP(4..7)

Power supply (+)

Power supply (-)

RESET-A

System reset input signal, low active

mask option : none

pull-up

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

OSC-A

Crystal connecting pin

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

OSC-B

Crystal connecting pin for low speed clock source

INPUT-K

8-bit input pins with IDLE/STOP releasing function

mask option : wakeup enable, negative edge release, pull-up

wakeup enable, negative edge release, none

wakeup enable, positive edge release, pull-down

wakeup enable, positive edge release, none

wakeup disable, pull-up

wakeup disable, pull-down

wakeup disable, none

P1(0..1)

I/O-Z

2-bit bidirection I/O pins with high current function source

mask option 1: initial low

initial high

mask option 2: low current push-pull

normal current push-pull

high current push-pull

NMOS open-drain

PMOS open-drain

* This specification are subject to be changed without notice.

12.29.1999 2

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