XRS10L620 Datasheet, PDF (9/49 Pages) Exar Corporation – PCI-X to 2-SATA/1-PATA Host Controller

XRS10L620 Rev 1.00
z 5.3.3 Parallel ATA interface
Pin Name
Pin#
Type
Description
DCS1#/RA10
42
O/I IDE chip select 1
DCS0#/RA11
43
O/I IDE chip select 0
DSA2/RA9
45
O/I IDE address2
DSA0/RA8
46
O/I IDE address0
DSA1/RA13
48
O/I IDE address1
DIRQ
49
I IDE interrupt
DACK#/RA14
50
O/I IDE DMA acknowledge
DCHRDY
51
I IO channel ready or DDSTROBE, DDMARDY#
DIOR#
53
O IO read or HSTROBE, HDMARDY#
DIOW#
55
O IO write or STOP
DD[15:0]
57,59,62,64, I/O IDE data bus
66,69,72,75,
76,74,70,67,
65,63,60,58
DRST#
77
O IDE reset
z 5.3.4 Flash ROM pins (some are shared with IDE bus pins) :
Pin Name
Pin#
Type
Description
RCS#
30
O/I ROM chip select
ROE#/LED0#
31
O/I ROM output enable and SATA0 LED#
RWE#
37
O/I ROM write enable
RA0
33
O/I ROM address 0
RA1
35
O/I ROM address 1
RA2
32
O/I ROM address2
DD7/RA3
76
I/O ROM address3
DD8/RA4
75
I/O ROM address4
DD6/RA5
74
I/O ROM address5
DD9/RA6
72
I/O ROM address6
DD5/RA7
70
I/O ROM address7
DSA0/RA8
46
O/I ROM address8
DSA2/RA9
45
O/I ROM address9
DCS1#/RA10
42
O/I ROM address10
8
1/20/2009