W83627UHG Nuvoton Technology Corporation of America, W83627UHG Datasheet - Page 110

• 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

In PS/2 Model 30 mode, the bit definitions for this register are as follows:
DEFAULT
BIT
BIT
NAME
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
BIT
INIT PENDING. Indicates the value of the floppy disk interrupt output.
DRV2#.
0: A second drive has been installed.
1: No second drive is installed.
STEP. Indicates the complement of the STEP# output.
TRAK0#. Indicates the value of the TRAK# input.
HEAD. Indicates the complement of the HEAD# output.
0: Side 0.
1: Side 1.
INDEX#. Indicates the value of the INDEX# output.
WP#.
0: The disk is write-protected.
1: The disk is not write-protected.
DIR. Indicates the direction of head movement.
0: Outward direction.
1: Inward direction.
INIT PENDING. Indicates the value of the floppy disk interrupt output.
DRQ. Indicates the value of the DRQ output pin.
SETP F/F. indicates the complement of latched STEP# output.
TRAK0. Indicates the complement of the TRAK0# input.
HEAD#. Indicates the value of the HEAD# output.
0: Side 1.
1: Side 0.
INDEX. Indicates the complement of the INDEX# output.
WP.
0: The disk is not write-protected.
1: The disk is write-protected.
DIR#. Indicates the direction of the head movement.
0: Inward direction.
1: Outward direction.
PENDING
INIT
7
0
DRQ
6
0
STEP F/F
NA
5
DESCRIPTION
DESCRIPTION
TRAK0
-99-
4
0
HEAD#
NA
3
Publication Release Date: May 25, 2007
INDEX
2
0
W83627UHG
WP
1
0
Revision 1.0
DIR#
NA
0