HD6475348R Datasheet, PDF (428/487 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

BRR—Bit Rate Register
H'FED9
SCI1
Bit
7
6
5
4
3
2
1
0
Initial value
Read/Write
1
1
1
1
1
1
1
1
R/W R/W R/W R/W R/W R/W R/W R/W
Constant that determines the baud rate
SCR—Serial Control Register
H'FEDA
SCI1
Bit
7
6
5
4
3
TIE
RIE
TE
RE
—
Initial value
0
0
0
0
1
Read/Write
R/W R/W R/W R/W
—
2
1
0
—
CKE1 CKE0
1
0
0
—
R/W R/W
Clock Enable 0
0 SCK pin is NOT USED.
1 SCK pin is used for output.
Clock Enable 1
0 Internal clock
1 External clock, input at SCK pin
Receive Enable
0 Receive disabled
1 Receive enabled
Transmit Enable
0 Transmit disabled
1 Transmit enabled
Receive Interrupt Enable
0 Receive interrupt request (RXI) is disabled.
1 Receive interrupt request (RXI) is enabled.
Transmit Interrupt Enable
0 Transmit interrupt request (TXI) is disabled.
1 Transmit interrupt request (TXI) is enabled.
418