Справочник Пользователя для Panasonic MN101C77C
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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
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