TMP91C824
91C824-156
Serial Bus Interface Baud Rate Regster 0
7
6
5
4
3
2
1
0
bit Symbol
I2SBI0
Read/Write
R/W
After Reset
0
Function
Allways ‘0’
write
IDLE2
0: Stop
1: Run
Operation during IDLE 2 Mode
0
Stop
1
Operation
Serial Bus Interface Baud Rate Register 1
7
6
5
4
3
2
1
0
Bit symbol
P4EN
Read/Write
R/W
After Reset
0
Function
Internal
clock
0: Stop
1: Operate
Baud rate clock control
0
Stop
1
Operate
Sirial Bus Interface Data Buffer Register
7
6
5
4
3
2
1
0
Bit symbol
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Read/Write
R (received)/W (transfer)
After Reset
Undefined
Note: When writing transmitted data, start from the MSB (bit 7).
I
2
C Bus Address Register
7
6
5
4
3
2
1
0
bit Symbol
SA6
SA5
SA4
SA3
SA2
SA1
SA0
ALS
Read/Write
W
After Reset
0
0
0
0
0
0
0
0
Function
Slave address selection for when device is operating as slave device
Address
recognition
mode
specification
Address recognition mode specification
0
Slave address recognition
1
Non slave address recognition
SBI0BR0
(0244H)
SBI0DBR
(0241H)
I2C0AR
(0242H)
Prohibit
Read-
modify-write
Prohibit
Read-
modify-write
SBI0BR1
(0245H)
Figure 3.10.6
Registers for the I
2
C Bus Mode