s1r72803 Epson Electronics America, Inc., s1r72803 Datasheet - Page 91

• Manufacturer Part Number: s1r72803
• Description: Link/transaction Controller
• Manufacturer: Epson Electronics America, Inc.

IDE Command Control Register
Address Register Name
0x7A
0x7B
0x7C
0x7D
0x7E
0x78
0x79
0x7F
This register is a Command Block Register that is the I/O port of the IDE interface.
IDE_CS10
IDE_CS11
IDE_CS12
IDE_CS13
IDE_CS14
IDE_CS15
IDE_CS16
IDE_CS17
6:
5:
4:
3:
2:
1:
0:
6:
5:
4:
3:
2:
1:
0:
7:
6:
5:
4:
3:
2:
1:
0:
7:
6:
5:
4:
3:
2:
1:
0:
6:
5:
4:
3:
2:
1:
0:
6:
5:
4:
3:
2:
1:
0:
7:
6:
5:
4:
3:
2:
1:
0:
7:
6:
5:
4:
3:
2:
1:
0:
7:
7:
7:
7:
Bit Symbol
EPSON
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Control Block Register
Read : Data Bus Hi – Impedance
Write: Not Used
Control Block Register
Read : Data Bus Hi – Impedance
Write: Not Used
Control Block Register
Read : Data Bus Hi – Impedance
Write: Not Used
Control Block Register
Read : Data Bus Hi – Impedance
Write: Not Used
Control Block Register
Read : Data Bus Hi – Impedance
Write: Not Used
Control Block Register
Read : Data Bus Hi – Impedance
Write: Not Used
Control Block Register
Read : Alternate Status
Write: Device Control
Control Block Register
Read : (obsolete)
Write: Not Used
Description
H.Rst S.Rst B.Rst
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
S1R72803F00A
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
–
–
–
–
–
–
–
–
87