Renesas H8/3067 Series User Manual page 887

SCR—Serial Control Register
7 6
Bit
TIE RIE
Initial value 0 0
Read/Write R/W R/W
Receive interrupt enable
0
1
Transmit interrupt enable
0 Transmit-data-empty interrupt request (TXI) is disabled
1
Transmit-data-empty interrupt request (TXI) is enabled
5 4
MPIE
TE RE
0 0
R/W R/W R/W
Receive enable
Receiving is
0
disabled
Receiving is
1
enabled
Transmit enable
0 Transmitting is disabled
1 Transmitting is enabled
Multiprocessor interrupt enable
0
1
Receive-data-full (RXI) and receive-error (ERI) interrupt requests are disabled
Receive-data-full (RXI) and receive-error (ERI) interrupt requests are enabled
Appendix B Internal I/O Registers
H'FFFB2
3 2 1
TEIE CKE1
0 0 0
R/W R/W
Clock enable 1 and 0
(for serial communication interface)
Bit 1 Bit 0
CKE1 CKE0
Asynchronous mode
0
Synchronous mode
0
Asynchronous mode
1
Synchronous mode
Asynchronous mode
0
Synchronous mode
1
Asynchronous mode
1
Synchronous mode
Clock enable 1 and 0 (for smart card interface)
SMR Bit 1 Bit 0
GM CKE1 CKE0
0
0 0
1
0
0
1
1
0
1
1
Transmit-end interrupt enable
0 Transmit-end interrupt requests (TEI) are disabled
1 Transmit-end interrupt requests (TEI) are enabled
Multiprocessor interrupts are disabled (normal receive operation)
Multiprocessor interrupts are enabled
Rev. 4.00 Jan 26, 2006 page 863 of 938
SCI0
0
CKE0
0
R/W
Description
Internal clock, SCK pin
available for generic I/O
Internal clock, SCK pin
used for serial clock output
Internal clock, SCK pin
used for clock output
Internal clock, SCK pin
used for serial clock output
External clock, SCK pin
used for clock input
External clock, SCK pin
used for serial clock input
External clock, SCK pin
used for clock input
External clock, SCK pin
used for serial clock input
Description
SCK pin available for generic I/O
SCK pin used for clock output
SCK pin output fixed low
SCK pin used for clock output
SCK pin output fixed high
SCK pin used for clock output
REJ09B0276-0400