s1r72803 Epson Electronics America, Inc., s1r72803 Datasheet - Page 10

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

S1R72803F00A
6. PIN DESCRIPTION
Control signals with an “X” as the first character of a pin name are low active. (Excluding X2SPD)
6
D7
D6
D5
D4
D3
D2
D1
D0
CTL1
CTL0
LREQ
LPS
LINKON
XISO
BHEN
CNA
PD
SCLK
IDE Interface (LV
HDD15
HDD14
HDD13
HDD12
HDD11
HDD10
HDD9
HDD8
HDD7
HDD6
HDD5
HDD4
HDD3
HDD2
HDD1
HDD0
HDMARQ
XHIOW
XHIOR
HIORDY
XHDMACK
HINTRQ
XHPDIAG
Pin Name
1394PHY interface (LV
PIN
100
102
105
106
101
104
107
108
115
110
109
111
113
98
99
96
97
72
74
77
79
81
84
86
88
89
87
85
82
80
78
76
73
71
70
69
68
66
65
63
95
DD
I/O Reset
O
O
O
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
)
B
B
I
I
I
I
I
I
I
I
DD
Hi-Z (MSB)
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z (LSB)
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 Data Bus with PHY
Hi-Z
Hi-Z Control Signal with PHY
Hi-Z
Hi-Z IDE Data Bus
Hi-Z IDE DMA Request Signal
Hi-Z IDE Write Signal
Hi-Z IDE Read Signal
Hi-Z IDE DMA Acknowledge Signal
Lo
Hi
–
–
–
–
–
–
–
–
)
LINK Power Status Signal to PHY
the construction of isolation buffer
between PAY and LINK
Set to H level in case of DC
connection and Single capacitor AC
connection. And Annex-J Isolation
connection cannot be used.
H: Single capacitor AC connection
L: DC connection
Power Down Enable
LINK Request Signal to PHY
LINK ON Signal from PHY
Setting should be made according to CMOS Input
Bus Holder Enable Signal
Cabele Not Active
Clock Signal from PHY (49.576MHz) Schmitt Input (Bus Holder)
IDE IORDY Signal
IDE Interrupt Signal
IDE PDIAG Signal
Pin Function
EPSON
5V Tolerant
Pull Down HDD7 at 10k
5V Tolerant, Drive Ability
2mA, Schmitt Input
5V Tolerant, Drive Ability
2mA, Schmitt Input
5V Tolerant, Drive Ability
2mA, Schmitt Input
5V Tolerant, Drive Ability
2mA, Schmitt Input
5V Tolerant, Drive Ability
2mA, Schmitt Input
5V Tolerant, Schmitt Input
5V Tolerant, Schmitt Input
Drive Ability 6mA
Schmitt Input (Bus Holder)
Schmitt Input (Bus Holder)
Drive Ability 6mA
Drive Ability 6mA
Schmitt Input (Bus Holder)
Drive Ability 2mA
Drive Ability 6mA
Schmitt Input (Bus Holder)
Drive Ability 6mA
Remarks