HD6413007F20 Datasheet, PDF (737/798 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

SCR⎯Serial Control Register
Bit
7
6
5
4
TIE
RIE
TE
RE
Initial value
0
0
0
0
Read/Write
R/W
R/W
R/W
R/W
3
MPIE
0
R/W
Appendix B Internal I/O Registers
H'FFFB2
2
TEIE
0
R/W
1
CKE1
0
R/W
0
CKE0
0
R/W
SCI0
Receive enable
0 ^{Receiving is}
disabled
1 ^{Receiving is}
enabled
Transmit enable
0 Transmitting is disabled
1 Transmitting is enabled
Clock enable 1 and 0
(for serial communication interface)
Bit 1 Bit 0
CKE1 CKE0
Description
Internal clock, SCK pin
0
Asynchronous mode _{available for generic I/O}
Internal clock, SCK pin
Synchronous mode _{used for serial clock output}
0
Internal clock, SCK pin
1
Asynchronous mode _{used for clock output}
Internal clock, SCK pin
Synchronous mode _{used for serial clock output}
External clock, SCK pin
0
Asynchronous mode _{used for clock input}
External clock, SCK pin
Synchronous mode _{used for serial clock input}
1
External clock, SCK pin
1
Asynchronous mode _{used for clock input}
External clock, SCK pin
Synchronous mode _{used for serial clock input}
Clock enable 1 and 0 (for smart card interface)
SMR Bit 1 Bit 0
GM CKE1 CKE0
0
0
0
1
Description
SCK pin available for generic I/O
SCK pin used for clock output
0 SCK pin output fixed low
0
1
SCK pin used for clock output
1
0 SCK pin output fixed high
1
1
SCK pin used for clock output
Transmit-end interrupt enable
0 Transmit-end interrupt requests (TEI) are disabled
1 Transmit-end interrupt requests (TEI) are enabled
Multiprocessor interrupt enable
0 Multiprocessor interrupts are disabled (normal receive operation)
1 Multiprocessor interrupts are enabled
Receive interrupt enable
0 Receive-data-full (RXI) and receive-error (ERI) interrupt requests are disabled
1 Receive-data-full (RXI) and receive-error (ERI) interrupt requests are enabled
Transmit interrupt enable
0 Transmit-data-empty interrupt request (TXI) is disabled
1 Transmit-data-empty interrupt request (TXI) is enabled
Rev.5.00 Sep. 12, 2007 Page 707 of 764
REJ09B0396-0500