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