W83627UHG Nuvoton Technology Corporation of America, W83627UHG Datasheet - Page 170

• Manufacturer Part Number: W83627UHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627UHG

• Applications: PC's, PDA's
• Interface: LPC
• Voltage - Supply: 3.3V, 5V
• Package / Case: 128-XFQFN
• Mounting Type: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

CR F2h. (Default FFh)
CR F4h. (Default 00h)
CR F1h. (Default 00h)
7~6
5~4
3~2
7~6
5~4
3~2
1~0
4~3
1~0
BIT
BIT
BIT
1
0
7
6
5
2
Reserved.
Reserved.
Reserved.
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
R / W
R / W
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 stay high).
SWWP =>
0: Normal, use WP to determine whether the FDD is write protected or
not.
1: FDD is always write-protected.
FDD D Drive Type.
FDD C Drive Type.
FDD B Drive Type.
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).
-159-
00: FDD A.
10: FDD C.
10: 2 Meg Tape.
DESCRIPTION
DESCRIPTION
DESCRIPTION
01 Normal.
11: 0 (Forced to logic 0).
Publication Release Date: May 25, 2007
01: FDD B.
11: FDD D.
11: Reserved.
W83627UHG
Revision 1.0