TMP92CM22 2007-02-16 92CM22-176
Serial Bus Interface Status Register
7 6 5 4 3 2 1 0
Bit symbol MST TRX BB PIN AL AAS AD0 LRB SBI0SR
(1243H) Read/Write R
After reset 0 0 0 1 0 0 0 0
Read-
modify-write
instruction is
prohibited.
Function Master/
slave
status
selection
monitor
Transmitter/
receiver
status
selection
monitor
I2C bus
status
monitor
INTSBE0
interrupt
request
monitor
Arbitration
lost
detection
monitor
0: −
1: Detected
Slave address
match
detection
monitor
0: Undetected
1: Detected
GENERAL
CALL
detection
monitor
0: Undetected
1: Detected
Last
received bit
monitor
0: 0
1: 1
0 Last received bit was 0.
1 Last received bit was 1.
0 Undetected
1 GENERAL CALL detected
0 Undetected
1Slave address match or
GENERAL CALL detected
0−
1 Arbitration lost
0 Interrupt requested
1 Interrupt released
0 Free
1Busy
0 Receiver
1 Transmitter
0Slave
1Master
Note: Writing in this register functions as SBI0CR2.
Figure 3.10.5 Register for I2C Bus Mode
Last received bit monitor
GENERAL CALL detection monitor
Slave address match detection monitor
Arbitration lost detection monitor
INTSBE0 interrupt request monitor
Transmitter/receiver status monitor
Master/slave status monitor
I2C bus status monitor