MC14LC5002FB 데이터 시트보기 (PDF) - Motorola => Freescale

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MC14LC5002FB

72-Segment / 128-Segment LCD Drivers CMOS

Motorola => Freescale 

LBIT

DZERO

CLKHI

BCLR

ROLA

BCC

BSET

JMP

BCLR

BSET

DEC

BNE

DEC

BNE

SCL,PORTC CLOCK LOW

DZERO

SDA,PORTC

CLKHI

SDA,PORTC

SCL,PORTC

COUNT

LBIT

W1

LBYTE

DATA BIT=0 ?

NO, BIT=1 AND DATA HIGH

DATA LOW

CLOCK HIGH

LAST BYTE ?

STOP

BCLR

BCLR

BSET

BSET

BCLR

RTS

SCL,PORTC

SDA,PORTC

SCL,PORTC

SDA,PORTC

SEN,PORTC

STOP CONDITION

DATA GOES HIGH WHILE CLOCK HIGH

EN=0

*** End of Program ***

*** LCD Address and Data ***

SEND

FCB

$7E

LCD DRIVER ADDRESS

FCB

$FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF DATA TO SENT

FCB

$FF, $FF, $FF, $FF, $FF, $FF, $FF, $FF

RTS

Example 1. Serial Data Interface Method

Figure 10 shows an interface example for IIC interface.

VDD

1kΩ

DOUT

MC68HC05 SCK

STROBE

VDD

A0 A1 A2

OSC1

Din MC14LC5004

DCLK

OSC2

ENB

R = 470 kΩ

BP1-BP4

FP1-FP32

1/4 MUX DISPLAY

Figure 10. IIC Interface Example Between MC68HC05 and MC14LC5004

MC14LC5002 • MC14LC5003 • MC14LC5004

3–16

MOTOROLA

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