HD64F2149 Datasheet, PDF (891/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

TWR0 to TWR15—Two-Way Data Register
• TWR0MW
Bit
Initial value
Slave Read/Write
Host Read/Write
7
Bit 7
—
R
W
6
Bit 6
—
R
W
5
Bit 5
—
R
W
H'FE20–H'FE2F
4
Bit 4
—
R
W
3
Bit 3
—
R
W
2
Bit 2
—
R
W
HIF (LPC)
1
Bit 1
—
R
W
0
Bit 0
—
R
W
• TWR0SW
Bit
Initial value
Slave Read/Write
Host Read/Write
7
Bit 7
—
W
R
6
Bit 6
—
W
R
5
Bit 5
—
W
R
4
Bit 4
—
W
R
3
Bit 3
—
W
R
2
Bit 2
—
W
R
1
Bit 1
—
W
R
0
Bit 0
—
W
R
• TWR1 to TWR15
Bit
7
Bit 7
Initial value
—
Slave Read/Write R/W
Host Read/Write R/W
6
Bit 6
—
R/W
R/W
5
Bit 5
—
R/W
R/W
4
Bit 4
—
R/W
R/W
3
Bit 3
—
R/W
R/W
2
Bit 2
—
R/W
R/W
1
Bit 1
—
R/W
R/W
0
Bit 0
—
R/W
R/W
Data register accessible by both host and slave
857