W83697UG Nuvoton Technology Corporation of America, W83697UG Datasheet - Page 33

• Manufacturer Part Number: W83697UG
• Description: IC LPC SUPER I/O 128-PQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83697UG

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

CRF2 (Default 0xFF)
CRF4 (Default 0x00)
FDD0 Selection:
Bit [3:2]: Density Select
Bit 1:
Bit 0:
Bit [7:6]: FDD D Drive Type
Bit [5:4]: FDD C Drive Type
Bit [3:2]: FDD B Drive Type
Bit [1:0]: FDD A Drive Type
Bit 7:
Bit 6:
Bit 5:
Bit 4 - 3: DRTS1, DRTS0: Data Rate Table select (Refer to TABLE A).
Bit 2:
Bit [1:0]: DTYPE0, DTYPE1: Drive Type select (Refer to TABLE B).
Reserved.
Precomp. Disable.
1
0
Reserved.
00
01
10
11
Reserved.
00
01
10
11
DISFDDWR
0
1
SWWP
0
1
Normal (Default)
Normal
1 ( Forced to logic 1)
0 ( Forced to logic 0)
Enable FDD write.
Disable FDD write(forces pins WE, WD stay high).
Normal, use WP to determine whether the FDD is write protected or not.
FDD is always write-protected.
Disable FDC Precompensation.
Enable FDC Precompensation.
Select Regular drives and 2.88 format
3-mode drive
2 Meg Tape
Reserved
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W83697UF/W83697UG
Publication Release Date: May 26, 2005
Revision A1