W83627DHG-PT Nuvoton Technology Corporation of America, W83627DHG-PT Datasheet - Page 210

• Manufacturer Part Number: W83627DHG-PT
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627DHG-PT

• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

CR F1h. (Default 00h)
CR F2h. (Default FFh)
CR F4h. (Default 00h)
7~6
5~4
3~2
7~2
1~0
4~3
1~0
BIT
BIT
BIT
BIT
0
1
0
7
6
5
2
Reserved.
Reserved.
Reserved.
Reserved.
READ / WRITE
READ / WRITE
READ / WRITE
READ / WRITE
R / W
R / W
R / W
R / W
R / W
R / W
R / W
R / W
R / W
R / W
Floppy Mode.
Boot Floppy.
Media ID1, Media ID0. These bits will be reflected on FDC’s Tape Drive
Register bit 7, 6.
Density Select.
00: Normal.
10: 1 (Forced to logic 1).
DISFDDWR =>
0: Enable FDD write.
1: Disable FDD write (forces pins WE, WD to stay high).
SWWP =>
0: Normal, use WP to determine whether the FDD is write protected or
not.
1: FDD is always write-protected.
FDD A Drive Type.
0: Enable FDC Pre-compensation.
1: Disable FDC Pre-compensation.
Data Rate Table selection (Refer to TABLE A).
00: Select regular drives and 2.88 format.
01: 3-mode drive.
Drive Type selection (Refer to TABLE B).
W83627DHG-P/W83627DHG-PT
-200-
0: Normal Floppy Mode.
1: Enhanced 3-mode FDD.
00: FDD A.
10: Reserved.
10: 2 Meg Tape.
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
Publication Release Date: July 09, 2009
11: 0 (Forced to logic 0).
01: Normal.
11: Reserved.
11: Reserved.
01: Reserved.
Version 1.94