F71862
7
6
INTPEND
DRV2_N
R
R
0
-
This bit indicates the state of the interrupt output.
0: a second drive has been installed.
1: a second drive has not been installed.
5
4
3
STEP
R
R
R
0
-
This bit indicates the complement of STEP# disk interface output.
This bit indicates the state of TRK0# disk interface input.
TRK0_N
HDSEL
0
This bit indicates the complement of HDSEL# disk interface output.
0: side 0.
1: side 1.
2
1
INDEX_N
WPT_N
R
R
-
-
This bit indicates the state of INDEX# disk interface input.
This bit indicates the state of WPT# disk interface input.
0: disk is write-protected.
1: disk is not write-protected.
0
DIR
R
0
This bit indicates the complement of DIR# disk interface output.
Status Register A (Model 30 mode) Base + 0
Bit
Name
R/W Default
Description
7
6
5
4
3
INTPEND
R
R
R
R
R
0
0
0
-
This bit indicates the state of the interrupt output.
DRQ
This bit indicates the state of the DRQ signal.
STEP_FF
TRK0
This bit indicates the complement of latched STEP# disk interface output.
This bit indicates the complement of TRK0# disk interface input.
HDSEL_N
1
This bit indicates the state of HDSEL# disk interface output.
0: side 0.
1: side 1.
2
1
INDEX
WPT
R
R
-
-
This bit indicates the complement of INDEX# disk interface input.
This bit indicates the complement of WPT# disk interface input.
0: disk is write-protected.
1: disk is not write-protected.
0
DIR_N
R
1
This bit indicates the state of DIR# disk interface output.
0: head moves in inward direction.
1: head moves in outward direction.
Status Register B (PS/2 Mode) Base + 1
Bit Name R/W Default
7-6 Reserved
Description
R
R
R
R
R
R
11
0
Reserved. Return 11b when read.
5
4
3
2
1
DR0
Drive select 0. This bit reflects the bit 0 of Digital Output Register.
This bit changes state at every rising edge of WDATA#.
This bit changes state at every rising edge of RDATA#.
This bit indicates the complement of WGATE# disk interface output.
WDATA
RDATA
WGATE
MOTEN1
0
0
0
0
This bit indicates the complement of MOB# disk interface output. Not support
in this design.
0
MOTEN0
R
0
This bit indicates the complement of MOA# disk interface output.
19
July, 2008
V.28P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
