W83627UHG Nuvoton Technology Corporation of America, W83627UHG Datasheet - Page 109

• 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

(19) Sense Drive Status
(20) Invalid
9.2
There are several status, data, and control registers in the W83627UHG. These registers are defined
below, and the rest of this section provides more detail about each one of them.
Command
Result
Command
Result
Command
Result
9.2.1 Status Register A (SA Register) (Read base address + 0)
PHASE
PHASE
PHASE
Register Descriptions
base address + 0
base address + 1
base address + 2
base address + 3
base address + 4
base address + 5
base address + 7
ADDRESS
OFFSET
R/W
R/W
R/W
W
R
W
W
W
R
R
LOCK 0
0
0
0
D7
D7
D7
------------- Invalid Codes -----------------
---------------- ST3 -------------------------
-------------------- ST0 ----------------------
0
0
0
D6
D6
D6
0
0
0
0
D5
D5
D5
Table 9-2 FDC Registers
DT (FIFO) REGISTER
LOCK
SB REGISTER
MS REGISTER
SA REGISTER
TD REGISTER
DI REGISTER
1
D4
D4
D4
0
0
READ
0
D3
0
D3
0
0
D3
-94-
HDS DS1 DS0
D2
D2
1
0
D2
1
D1
D1
D1
0
0
0
REGISTER
Publication Release Date: March 24, 2008
D0
D0
D0
0
0
0
Invalid codes (no operation-
FDC goes to standby state)
ST0 = 80H
Command Code
Status information about
Command Code
disk drive
DT (FIFO) REGISTER
DO REGISTER
DR REGISTER
CC REGISTER
TD REGISTER
W83627UHG
WRITE
REMARKS
REMARKS
REMARKS
Revision 1.44