584
SCR1—Serial Control Register 1
H'FF82
Smart Card Interface 1
Bit
Initial value
Read/Write
7
TIE
0
R/W
6
RIE
0
R/W
5
TE
0
R/W
4
RE
0
R/W
3
MPIE
0
R/W
2
TEIE
0
R/W
1
CKE1
0
R/W
0
CKE0
0
R/W
SCMR
SCK Pin Function
See the SCI specification
Clock Enable
(In smart card interface mode, with bit 7 of SMR set to 1)
SMIF
0
1
C/
A
, GM
0
1
CKE1
0
1
CKE0
0
1
0
1
0
1
SMR
SCR Setting
Operates as port I/O pin
Outputs clock as SCK
output pin
Operates as SCK output
pin, with output fixed low
Outputs clock as SCK
output pin
Operates as SCK output
pin, with output fixed high
Outputs clock as SCK
output pin
0
Transmit-end interrupt (TEI) request disabled
Transmit-end interrupt (TEI) request enabled
Transmit-End Interrupt Enable
1
0
Multiprocessor interrupts disabled
[Clearing conditions]
• When the MPIE bit is cleared to 0
• When data with MPB = 1 is received
Multiprocessor interrupts enabled
Receive interrupt (RXI) requests, receive-error interrupt (ERI)
requests, and setting of the RDRF, FER, and ORER flags in
SSR are disabled until data with the multiprocessor bit set to
1 is received
Multiprocessor Interrupt Enable
1
0
Reception disabled
Reception enabled
Receive Enable
1
0
Transmission disabled
Transmission enabled
Transmit Enable
1
0
Receive-data-full interrupt (RXI) request and receive-error interrupt (ERI) request disabled
Receive-data-full interrupt (RXI) request and receive-error interrupt (ERI) request enabled
Receive Interrupt Enable
1
0
Transmit-data-empty interrupt (TXI) request disabled
Transmit-data-empty interrupt (TXI) request enabled
Transmit Interrupt Enable
1
Содержание H8S/2670
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