w83977atg Winbond Electronics Corp America, w83977atg Datasheet - Page 43
w83977atg
Manufacturer Part Number
w83977atg
Description
W83877tf Plus Kbc, Gp I/o, Wake-up, Fir, Cir, Pb-free
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977ATG.pdf
(198 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
w83977atg-AW
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
- Current page: 43 of 198
- Download datasheet (2Mb)
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 the combination of these bits.
FDC in normal mode
FDC in power-down mode
PRECOMP
DATA RATE
2
0
0
0
0
1
1
1
1
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)
Default Delays
250K - 1 Mbps
4
125.00 nS
166.67 nS
208.33 nS
250.00 nS
41.67 nS
83.34 nS
3
DEFAULT PRECOMPENSATION DELAYS
2
- 35 -
PRECOMPENSATION DELAY
1
W83977ATF/W83977ATG
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: May 2006
2 Mbps Tape drive
0.00 nS (disabled)
Default Delays
125.00 nS
104.2 nS
41.17 nS
20.8 nS
83.3 nS
62.5nS
Revision 0.6
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