參數(shù)資料
型號: STE2004SDIE2
廠商: 意法半導(dǎo)體
英文描述: 102 x 65 single-chip LCD controller/driver
中文描述: 102 × 65的單芯片LCD控制器/驅(qū)動器
文件頁數(shù): 37/79頁
文件大小: 1123K
代理商: STE2004SDIE2
STE2004S
Bus interfaces
37/79
Throughout SDOUT can be read the driver I
2
C slave address or the status byte. The
command sequence that allows to read I
2
C slave address or the status byte is shown in
Figure 39.
and
Figure 40.
.
If the R bit is set to logic 0 and D/C=0, the I
2
C slave address is read. If the R bit is set to logic
1 and D/C=0, the the I
2
C slave address is read. SDOUT is in high impedance in steady state
and during data write.
It is possible to short circuit SDOUT and SDIN and read the I
2
C address or status byte
without any additional line.
Figure 38.
3-lines serial interface protocol in writing mode
Figure 39.
3-lines SPI interface protocol in reading mode
WRITE MODE
COMMAND WORD
CONTROL BYTE
MSB........LSB
Co
LAST
N> 0 BYTE
DATA Byte
Control Byte
0
DATA Byte
CONTROL BYTE
C
o
D
C
0 0
H
[1]
Control Byte
R
/
W
H
[0]
H
E
DATA Byte
Control Byte
Co
1
0
DATA Byte
CONTROL BYTE
Control Byte
MSB........LSB
LAST
N> 0 BYTE
DATA Byte = Command if D/C=0
DATA Byte = DDRAM Data if D/C=1
DATA Byte
0
DATA Byte
CONTROL BYTE
MSB........LSB
LAST
N> 0 BYTE
0
1
TRANSFERRED
ONLY COMMANDS
TRANSFERRED
ONLY DDRAM DATA
LR0002
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Don't
Care
CS
SDIN
SCLK
High-Z
DB1
DB0
High-Z
Don't
Care
Don't
Care
Don't
Care
Don't
Care
Don't
Care
Don't
Care
Don't
Care
Command Write
DATA Read
DB7
DB6
DB5
DB4
DB3
DB2
Co=1
D/C=0
"Command"
R/W=1
"Read"
SDOUT
High-Z
DB1
DB0
High-Z
DB7
DB6
DB5
DB4
DB3
DB2
ID-Number
STATUS BYTE
LR0077
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