RA8808 データシートの表示（PDF） - RAIO
部品番号
コンポーネント説明
メーカー
RA8808 Datasheet PDF : 7 Pages
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www.raio.com.tw
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RAiO TECHNOLOGY INC.
In Serial Mode :
This pin is not used and must be connected to low.
When use 8080 series interface, this pin is used as data read, active low.
I
When use 6800 series interface, this pin is used as Enable, active high.
Enable or Read Control
In Parallel Mode :
This pin is used as serial clock.(SCK)
This pin is used as serial clock.(SCL)
In SPI Interface :
DB0
In IIC Interface :
This pin is used as Bi-direction serial Data.(SDA)
This pin is used as Bi-direction serial Data.(SDA)
In SPI Interface :
DB1
In IIC Interface :
This pin is used as Chip selection, active low. (ZCS)
This pin is not used and must be connected to low.
In SPI Interface :
DB2
In IIC Interface :
Pin Name
DB0~DB7
E
high or low.
I/O
These pins are not used and must be connected to
DB3
In IIC Interface :
These pins are used as the IIC device address input.
(SA[2:0])
In SPI Interface :
DB5
DB4
These pins are not used and must be connected to low.
DB7
DB6
Description
Pin
In Serial Mode :
In Parallel Mode :
Data Bus
These are data bus for data transfer between MPU(6800/8080) and RA8808.
Description
I/O
5-1 MPU Interface
5. Pin Description
P1
COM15
COM14
COM13
COM12
COM11
COM10
COM9
COM8
COM7
COM6
COM5
COM4
COM3
COM2
COM1
COM0
P2
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
16
COM32
15
COM33
14
COM34
PT5
PT7
PT6
PT4
RAiO
RA8808
13
COM35
PT3
PT2
12
COM36
11
COM37
Logo
10
COM38
(0,0)
X
RA8808
Top View
9166 x 1171
PT1
9
COM40
COM39
8
7
COM41
Y
6
COM42
5
COM43
4
COM44
3
COM45
2
COM46
1
COM47
4. Pad Diagram
RA8808
128x64Driver for Dot Matrix LCD
Preliminary Version 1.0
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