HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 1198

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Appendix B Internal I/O Registers
SCR1—Serial Control Register 1
Rev.6.00 Sep. 27, 2007 Page 1168 of 1268
REJ09B0220-0600
Bit
Initial value
Read/Write
Transmit Interrupt Enable
0
1
:
:
:
Transmit-data-empty interrupt (TXI) request disabled
Transmit-data-empty interrupt (TXI) request enabled
R/W
TIE
7
0
Receive Interrupt Enable
0
1
R/W
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
RIE
6
0
Transmit Enable
0
1
R/W
TE
Transmission disabled
Transmission enabled
5
0
Receive Enable
0
1
R/W
Reception disabled
Reception enabled
RE
4
0
Multiprocessor Interrupt Enable
0
1
MPIE
R/W
Multiprocessor interrupts disabled
[Clearing conditions]
• When the MPIE bit is cleared to 0
• When data with MPB = 1 is received
Multiprocessor interrupts enabled
Receive-data-full 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
3
0
Transmit End Interrupt Enable
0
1
TEIE
R/W
Transmit-end interrupt (TEI) request disabled
Transmit-end interrupt (TEI) request enabled
2
0
Clock Enable
SCMR
SMIF
H'FF82
0
1
1
1
1
1
1
CKE1
R/W
1
0
SMR
GM
0
0
1
1
1
1
CKE0
R/W
0
0
CKE1
SCR setting
0
0
0
0
1
1
See SCI specification
Smart Card Interface 1
CKE0
0
1
0
1
0
1
Operates as port I/O
pin
Clock output as SCK
output pin
Fixed-low output as
SCK output pin
Clock output as SCK
output pin
Fixed-high output as
SCK output pin
Clock output as SCK
output pin
SCK pin function