s1r72803 Epson Electronics America, Inc., s1r72803 Datasheet - Page 11

• Manufacturer Part Number: s1r72803
• Description: Link/transaction Controller
• Manufacturer: Epson Electronics America, Inc.

IDE Interface (LV
HDA2
HDA1
HDA0
XHCS1
XHCS0
XHDASP
XHRST
C33 External Interface (HV
AD23
AD22
AD21
AD20
AD19
AD18
AD17
AD16
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
DT15
DT14
DT13
DT12
DT11
DT10
DT9
DT8
DT7
DT6
DT5
DT4
DT3
DT2
DT1
DT0
Pin Name
PIN
61
64
62
59
60
56
90
54
53
52
51
50
49
44
43
42
41
40
39
38
36
35
34
33
32
31
30
28
27
26
25
20
19
18
17
16
15
14
12
11
10
9
8
7
6
4
3
DD
Otr
Otr
Otr
Otr
Otr
Otr
I/O Reset
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
)
I
Hi-Z (MSB)
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z (LSB)
Hi-Z (MSB)
Hi-Z IDE Address Signal
Hi-Z (LSB)
Hi-Z IDE Chip Select Signal
Hi-Z IDE Chip Select Signal
Hi-Z IDE Reset Signal
Hi-Z CPU Data Buss
DD
–
)
(MSB)
(LSB)
IDE DASP Signal
CPU Address Bus
Pin Function
EPSON
5V Tolerant, Schmitt Input
Drive Ability 2mA, Tristate
Drive Ability 2mA, Tristate
Drive Ability 2mA, Tristate
Drive Ability 2mA, Tristate
Drive Ability 2mA, Tristate
Pull Up Resistor Intgrated
Drive Ability 2mA, Tristate
Remarks
S1R72803F00A
7