Panasonic MN101C77C - Manual (Page 433)

Control Registers
Chapter 13 Serial Interface 4
XIII - 7
14
14
„ Serial interface 4 Status Register (SC4STR)
Figure 13-2-5 Serial interface 4 Status Register (SC4STR : x'03FAC', R)
0 1 2 4 5 6 7 3
( At reset: X X X X X X X X) SC4STR SLVBSY RSTRT STRT I2CINT WRS
0
1
Undetected
ACK detection flag
Detected
ACKVALID
0
1
Slave → Master
Data transfer direction
determination flag
Master → Slave
WRS
I2CBSY ACKVALID -
0
1
Other than during data transfer
Slave busy flag
During data transfer
SLVBSY
0
1
Bus free status
Bus busy flag
Bus busy status
I2CBSY
0
1
Re-start condition detection RSTRT
0
1
Start condition detection STRT
0
1
Undetected
Interrupt detection flag
Detected
I2CINT
Undetected
Detected
Undetected
Detected