W83877ATG Nuvoton Technology Corporation of America, W83877ATG Datasheet - Page 25

• Manufacturer Part Number: W83877ATG
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83877ATG

• Lead Free Status / RoHS Status: Supplier Unconfirmed

NCN:
ND:
OW:
PCN:
POLL:
PRETRK:
R:
RCN:
R/W:
SC:
SK:
SRT:
ST0:
ST1:
ST2:
ST3:
WG:
5.1.9
(1) Read Data
Command
Result
Execution
PHASE
FDC Instruction Sets
R/W
New Cylinder Number
Non-DMA Mode
Overwritten
Present Cylinder Number
Polling Disable
Precompensation Start Track Number
Record
Relative Cylinder Number
Read/Write
Sector/per cylinder
Skip deleted data address mark
Step Rate Time
Status Register 0
Status Register 1
Status Register 2
Status Register 3
Write gate alters timing of WE
W
W
W
W
W
W
W
W
W
R
R
R
R
R
R
R
D7
MT
0
-------------------- EOT -----------------------
-------------------- GPL -----------------------
-------------------- DTL -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
-------------------- ST0 -----------------------
-------------------- ST1 -----------------------
-------------------- ST2 -----------------------
---------------------- C ------------------------
---------------------- H ------------------------
---------------------- R ------------------------
---------------------- N ------------------------
MFM
D6
0
D5
SK
0
D4
0
0
- 18 -
D3
0
0
HDS
D2
W83877ATF/W83877ATG
1
DS1
D1
1
DS0
D0
0
Command codes
Sector ID information
prior to command
execution
Data transfer between the
FDD and system
Status information after
command execution
Sector ID information
after command execution
REMARKS