RA8816 查看數據表（PDF） - RAIO

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RA8816

144x65 Character/Graphic LCD Driver

RAIO 

Preliminary Version 1.6

RA8816

144x65 Character/Graphic LCD Driver

Table 4-5: Pin Definition of Parallel/Serial Mode of MPU

Parallel Mode

Serial Mode

Pin Name

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

RD , EN

WR , R/ W

D/ C , RS

CS

C86

BIT4

P/ S

I/O

8080

6800

8Bit 4Bit 8Bit 4Bit

I/O DB7

--*1

DB7

--

I/O DB6

--

DB6

--

I/O DB5

--

DB5

--

I/O DB4

--

DB4

--

I/O DB3 DB3 DB3 DB3

I/O DB2 DB2 DB2 DB2

I/O DB1 DB1 DB1 DB1

I/O DB0 DB0 DB0 DB0

I

RD

RD

EN

EN

I

WR WR R/ W R/ W

I D/ C D/ C

RS

RS

I

CS

CS

CS

CS

I

0

0

1

1

I

0

1

0

1

I

1

1

1

1

IIC

0

0

IICA3

IICA2

IICA1

IICA0

SDA

SCK

IICA4

IICA5

1

1

1

1

0

3-Wire

0

1

--

--

CS

--

SDA

SCK

1*2

1

1

1

1

1

0

4-Wire

(A-Typ)

1

0

--

--

CS

RS

SDA

SCK

1

1

1

1

1

1

0

Note1: “--" means not used and keep floating(NC).

Note2: In serial mode the unused parallel pins have to connect to 1(VDD).

4-Wire

(B-Typ)

1

1

--

--

CS

SDI

SDO

SCK

1

1

1

1

1

1

0

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