STE2007 STMicroelectronics, STE2007 Datasheet - Page 25

• Manufacturer Part Number: STE2007
• Description: 96 x 68 Single Chip LCD Controller/Driver
• Manufacturer: STMicroelectronics

STE2007
4.3.4
Driver TxData Mode (Read Mode)
If the R/W bit is set to logic 1 the chip will output data immediately after the slave address. If the
D/C bit during the last write access, is set to a logic 0, the byte read is the status byte.
Figure 17. Communication Protocol
WRITE MODE
READ MODE
MULTIPLE COMMAND
STATUS BYTE READ
SINGLE COMMAND
COMMUNICATION
COMMUNICATION
MULTIPLE DATA
SINGLE DATA
SEQUENCE
SEQUENCE
SEQUENCE
SEQUENCE
SEQUENCE
START
STOP
Co
Co
Co
Co
I2C START
1 0
0 0
1 1
0 1
I2C START
I2C STOP
D/C
D/C
D/C
D/C
COND
COND
COND
Control Byte
Control Byte
Control Byte
Control Byte
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 1 1 1 1
0
STE2007 ACK
STE2007 ACK
STE2007 ACK
STE2007 ACK
SLAVE ADDRESS
1
SLAVE ADDRESS
A
A
A
A
1
First Command Byte
COMMAND Byte
COMMAND Byte
1
Command Byte
First Data Byte
DATA Byte
DATA Byte
Data Byte
1
SA1 SA2
SA1
STE2007 ACK
SA2
R/W
STE2007 ACK
STE2007 ACK
0 A
STE2007 ACK
STE2007 ACK
STE2007 ACK
R/W
0
A
A
A
A
A
STATUS Byte
Last Command Byte
COMMAND Byte
Last Data Byte
MASTER ACK
DATA Byte
A
I2C START
STE2007 ACK
STE2007 ACK
COND
A
A
LR0008d
4 INTERFACE
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