STE2007 Datasheet, PDF (26/62 Pages) STMicroelectronics – 96 x 68 Single Chip LCD Controller/Driver

4 INTERFACE
STE2007
4.4 Reading Mode
STE2007 features a reading Command to transmitt data from the LCD driver to Host
Processor. After the reading command STE2007 transfers 8 bits to the Host controller:
– Identification Byte (Command Code DB_hex)
4.4.1 IIdentification byte
Identification byte is an 8 Bit code that identify the module revision Number.
Table 15. ID byte format
Bit nr D7(MSB) D6
D5
D4
D3
D2
D1
0
0
IDB PAD IDA PAD
0
0
0
D0(LSB)
0
Figure 18.
Power IC
VDD
VDDI
GND
ASIC(MCU)
MCU TxData
Driver TxData
VDDCP
VDD
VDDI
VSS
VSSCP
RESET
SDA
XCS
SCLK
test
Auto
return
STE2007
Command decoder
Multi
plexer
ID
VLCD
Figure 19.
Voltage booster
BaseBand side Driver side
LCD Power
Supply circuit
Identification Information
Send rading command (DBh)
Read status(ID data)
Send reset command
Command:E2H
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