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20.3.16 SIUACTMSK_2 (0x0C00 000C)
Bit
7
Name
Reserved
R/W
R
RTCRST
0
Other resets
0
Bit
Name
7, 6
Reserved
5
RxDMSK
4
RTSMSK
3
DCDMSK
2
DTRMSK
1
Reserved
0
TxWRMSK
This register is used to set masks for notification of operation statuses to the Activity Timer of the SIU2.
When 1 is set in this register, state transition of the corresponding signals or write to transmit buffer is not notified
to the Activity Timer.
CHAPTER 20 SERIAL INTERFACE UNIT 2 (SIU2)
6
5
Reserved
RxDMSK
RTSMSK
R
R/W
0
0
0
0
0 is returned when read
Mask for notification of change on RxD2
1 : Mask
0 : Unmask
Mask for notification of change on RTS2#
1 : Mask
0 : Unmask
Mask for notification of change on DCD2#
1 : Mask
0 : Unmask
Mask for notification of change on DTR2#
1 : Mask
0 : Unmask
Write 0 when write. 0 is returned when read
Mask for notification of transmit buffer write
1 : Mask
0 : Unmask
User's Manual U14272EJ3V0UM
4
3
DCDMSK
DTRMSK
R/W
R/W
R/W
0
0
0
0
Function
2
1
0
Reserved
TxWRMSK
R/W
R/W
0
0
0
0
0
0
397
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