W83627UHG Nuvoton Technology Corporation of America, W83627UHG Datasheet - Page 115
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W83627UHG
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
W83627UHG
Manufacturer:
FENGHUA
Quantity:
40 000
Company:
Part Number:
W83627UHG
Manufacturer:
Winbond
Quantity:
1 000
Company:
Part Number:
W83627UHG
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
Part Number:
W83627UHG
Manufacturer:
WINBOND/华邦
Quantity:
20 000
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Continued
The 2 MB/S data rate for the tape drive is only supported by setting DRATE1 and DRATE0 to 01, as
well as setting DRT1 and DRT0 (CRF4 and CRF5 for logical device 0) to 10. Please see the functional
description of CRF4 or CRF5 and the data rate table for individual data-rate settings.
BIT
1
0
PRECOMP
DATA RATE
2
0
0
0
0
1
1
1
1
250 KB/S
300 KB/S
500 KB/S
DRATE 1.
DRATE 0.
1 MB/S
2 MB/S
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0.00 ns (disabled)
250K - 1 Mbps
Default Delays
125.00 ns
166.67 ns
208.33 ns
250.00 ns
41.67 ns
83.34 ns
DEFAULT PRECOMPENSATION DELAYS
-104-
DESCRIPTION
PRECOMPENSATION DELAY
Select the data rate of the FDC and
reduced write-current control.
Bits
1 0
0 0: 500 KB/S (MFM), 250 KB/S (FM),
RWC# = 1
0 1: 300 KB/S (MFM), 150 KB/S (FM),
RWC# = 0
1 0: 250 KB/S (MFM), 125 KB/S (FM),
RWC# = 0
1 1: 1 MB/S (MFM), Illegal (FM), RWC# = 1
41.67ns
20.8 ns
125 ns
125 ns
125 ns
2 Mbps Tape drive
0.00 ns (disabled)
Default Delays
W83627UHG
125.00 ns
41.17 ns
104.2 ns
83.3 ns
20.8 ns
62.5ns
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