m35075 Renesas Electronics Corporation., m35075 Datasheet - Page 33

• Manufacturer Part Number: m35075
• Description: Screen Character And Pattern Display Controllers
• Manufacturer: Renesas Electronics Corporation.

M35075-XXXFP
DATA INPUT 2
(1) I
Fig.25 Start state / Stop state
Fig.26 Control byte configuration
Rev.1.10
REJ03B0180-0110
This IC has a built-in data transmission interface which utilizes
2 unidirectional buses. In communications, this IC functions as
a slave reception device.
Must connect CS pin to “H” at the time of I
cation use.
The IC is synchronized with the serial clock (SCL) sent from
the master device and receives the data (SDA).
Communications are controlled from the start/stop states.
Also, always in put the control byte after attaining the start
state.
The below chart shows the start/stop state and control byte
configuration.
2
C-Bus communication function
SDA
SCL
Feb 13, 2006
_____
Start state
Control byte: 7C
page 33 of 44
16
(Fixed)
2
C-Bus communi-
0
Data receive
1
1
Slave address
Data modify
1
enable
1
1
0
R/W
0
(0: Written)
Stop state