
TCM8230MD (A) Ver. 1.20
04/01/05 8/27
CONTROL I/F
TCM8230MD(A) control interface configuration is based on fast mode I
2
C bus.
Register setting can be changed via I
2
C bus.
All register settings are able to read via I
2
C bus.
Slave AddressS 0 A Sub Address A Data 1 Data n A P
MSB 7bit 8bit 8bit 8bit
Write mode
Slave AddressS 0 A Sub Address A Data 1 Data n A P
MSB 7bit 8bit 8bit 8bit
Read mode
Slave AddressS 1
A
A
MSB 7bit
: Host Command
: TCM8230MD(A)
S
P
A
: Start condition
: End condition
: Acknowledge
Start condition, End condition Bit Transfer
Acknowledge Slave address
* TCM8230MD(A) use 7bit Slave address
Purchase of TOSHIBA I
2
C components conveys a license under the Philips I
2
C Patent Rights to use these
components in an I
2
C system, provided that the system conforms to the I
2
C Standard Specification as
defined by Philips.
SP
SCL
SDA
Start condition End conditon
S
SCL
from master
SDA
from reciver
HiZ
SDA
from trancemitter
189
HiZ
SCL
SDA
data line stable ;
data valid
change of data allowed
A6 A5 A4 A3 A2 A1 A0 R/W
01111001/0
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