TMP92CF30
2009-06-12
92CF30-322
Serial Bus Interface Status Register
7 6 5 4 3 2 1 0
Bit symbol
MST
TRX
BB
PIN
AL
AAS
AD0
LRB
SBISR
(1243H)
Read/Write R
Reset
State
0 0 0 1 0 0 0 0
A read-
modify-write
operation
cannot be
performed
Function
Master/ Slave
status
monitor
0:Slave
1:Master
Transmitter/
Receiver
status
monitor
0:Receiver
1:Tranmitter
I
2
C bus status
monitor
0:Free
1:Busy
INTSBI
interrupt
request
monitor
0: Interrupt
requested
1: Interrupt
canceled
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
Last received bit monitor
0
Last received bit was 0
1
Last received bit was 1
GENERAL CALL detection monitor
0
Undetected
1
GENERAL CALL detected
Slave address match detection monitor
0
Slave address don’t match or Undetected
1
Slave address match or GENERAL CALL
detected
Arbitration lost detection monitor
0
−
1
Arbitration lost
Note1: Writing in this register functions as SBICR2.
Note2: The initialdata SBISR<PIN> is “1” if SBI operation is enable (SBICR0<SBIEN>
=
“1”). If SBI operation is disable
(SBICR0<SBIEN>
=
“0”), the initialdata of SBISR<PIN> is “0”.
Figure 3.15.6 Registers for the I
2
C bus mode
Summary of Contents for TLCS-900/H1 Series
Page 652: ...TMP92CF30 2009 06 12 92CF30 650 ...