w83627sf Winbond Electronics Corp America, w83627sf Datasheet - Page 44
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w83627sf
Manufacturer Part Number
w83627sf
Description
Winbond I/o
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83627SF.pdf
(147 pages)
- Current page: 44 of 147
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HEAD (Bit 3):
This bit indicates the complement of HEAD# output.
0
1
INDEX# (Bit 2):
This bit indicates the value of INDEX# output.
WP# (Bit 1):
0
1
DIR (Bit 0)
This bit indicates the direction of head movement.
0
1
In PS/2 Model 30 mode, the bit definitions for this register are as follows:
INIT PENDING (Bit 7):
This bit indicates the value of the floppy disk interrupt output.
DRQ (Bit 6):
This bit indicates the value of DRQ output pin.
STEP F/F (Bit 5):
This bit indicates the complement of latched STEP# output.
TRAK0 (Bit 4):
This bit indicates the complement of TRAK0# input.
side 0
side 1
outward direction
inward direction
disk is write-protected
disk is not write-protected
7
6
5
4
3
2
- 37 -
1
0
DIR
INDEX
WP
HEAD
TRAK0
STEP F/F
DRQ
INIT PENDING
Publication Release Date: Nov. 2000
PRELIMINARY
W83627SF
Revision 0.60
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