W83627EHG Nuvoton Technology Corporation of America, W83627EHG Datasheet - Page 214

• Manufacturer Part Number: W83627EHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627EHG

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

CR F1h. (Default 00h)
CR F2h. (Default FFh)
3~2
7~6
5~4
3~2
BIT
BIT
5
4
1
0
1
0
READ / WRITE
READ / WRITE
R / W
R / W
R / W
R / W
R / W
R / W
R / W
R / W
R / W
R / W
When this bit is logic 0, indicates a second drive is installed and is reflected
in status register A. (PS2 mode only)
Swap Drive 0, 1 Mode =>
0: No Swap.
Interface Mode.
FDC DMA Mode.
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 stay high).
SWWP =>
0: Normal, use WP to determine whether the FDD is write protected or not.
1: FDD is always write-protected.
W83627EHF/EF, W83627EHG/EG
10: Reserved.
1: Non-Burst Mode.
1: Drive and Motor select 0 and 1 are swapped.
00: Model 30.
0: Burst Mode is enabled
0: Normal Floppy Mode.
00: FDD A.
10: FDD C.
1: Enhanced 3-mode FDD.
-203-
DESCRIPTION
DESCRIPTION
11: 0 (Forced to logic 0).
01: Normal.
Publication Release Date: April 7, 2009
01: PS/2.
11: AT Mode
01: FDD B.
11: FDD D.
Version 1.94