W83627DHG Nuvoton Technology Corporation of America, W83627DHG Datasheet - Page 142

• Manufacturer Part Number: W83627DHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627DHG

• 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

S/W RESET (Bit 7):
This bit is the software reset bit.
POWER-DOWN (Bit 6):
0
1
PRECOMP2 PRECOMP1 PRECOMP0 (Bit 4, 3, 2):
These three bits select the value of write precompensation. The following tables show the
precompensation values for every combination of these bits.
2
0
0
0
0
1
1
1
1
FDC in normal mode
FDC in power-down mode
PRECOMP
DATA RATE
250 KB/S
300 KB/S
500 KB/S
1 MB/S
2 MB/S
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
7
6
5
0
0.00 ns (disabled)
250K - 1 Mbps
Default Delays
4
125.00 ns
166.67 ns
208.33 ns
250.00 ns
41.67 ns
83.34 ns
3
DEFAULT PRECOMPENSATION DELAYS
2
PRECOMPENSATION DELAY
-130-
1
0
DRATE0
DRATE1
PRECOMP0
PRECOMP1
PRECOMP2
POWER DOWN
S/W RESET
41.67ns
20.8 ns
125 ns
125 ns
125 ns
Publication Release Date: Aug, 22, 2007
2 Mbps Tape drive
0.00 ns (disabled)
Default Delays
W83627DHG
125.00 ns
41.17 ns
104.2 ns
20.8 ns
83.3 ns
62.5ns
Version 1.4