HD6473258CP10 Datasheet, PDF (294/301 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

TDR—Transmit Data Register
Bit
7
6
5
4
Initial value 1
1
1
1
Read/Write W
W
W
W
Note: Bit functions are the same as for SCI0.
H’FFE3
3
2
1
1
W
W
SCI1
1
0
1
1
W
W
SSR—Serial Status Register
H’FFE4
SCI1
Bit
7
6
5
4
3
2
1
0
TDRE RDRF ORER FER PER —
—
—
Initial value 1
0
0
0
0
1
1
1
Read/Write R/(W)* R/(W)* R/(W)* R/(W)* R/(W)* —
—
—
Note: Bit functions are the same as for SCI0.
* Software can write a 0 in bits 7 to 3 to clear the flags, but cannot write a 1 in these bits.
RDR—Receive Data Register
Bit
7
6
5
4
Initial value 0
0
0
0
Read/Write R
R
R
R
Note: Bit functions are the same as for SCI0.
H’FFE5
3
2
0
0
R
R
SCI1
1
0
0
0
R
R
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