Toshiba H1 Series Data Book page 348

3.15.2 Serial Bus Interface (SBI) Control
The following registers are used to control the serial bus interface and monitor the
operation status.
Serial bus interface control register 0 (SBICR0)
Serial bus interface control register 1 (SBICR1)
Serial bus interface control register 2 (SBICR2)
Serial bus interface data buffer register (SBIDBR)
I C bus address register (I2CAR)
2
Serial bus interface status register (SBISR)
Serial bus interface baud rate register 0 (SBIBR0)
3.15.3 The Data Formats in the I
The data formats in the I
(a) Addressing format
8 bits
S Slave address
1
(b) Addressing format (with restart)
8 bits
S Slave address
1
(c) Free data format (data transferred from master device to slave device)
8 bits
S Data
1
S:
2
C Bus Mode
C bus mode is shown below.
2
1 1 to 8 bits
R A
Data
/ C
K
W
1
1 to 8 bits
R A
Data
/ C
K
W
1 or more
1
1 to 8 bits
A
Data
C
K
Start condition
R/ : Direction bit
W
ACK: Acknowledge bit
P: Stop condition
Figure 3.15.2 Data format in the I
92CZ26A-345
1 to 8 bits
1
A
Data
C
K
1 or more
8 bits
1
A
S Slave address
C
K
1
1 to 8 bits
1
A
Data
C
K
1 or more
2
C bus mode
TMP92CZ26A
1
A
P
C
K
1
1 to 8 bits
R A
Data
/ C
K
W
1 or more
1
A
P
C
K
1
A
P
C
K