SPC7281 Epson Electronics America, Inc., SPC7281 Datasheet - Page 10

• Manufacturer Part Number: SPC7281
• Description: IEEE1394 Controller
• Manufacturer: Epson Electronics America, Inc.

S1R72801F00A
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 (HV
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
102
105
106
109
111
100
101
104
107
108
115
110
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 (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
Hi-Z Data Bus with PHY
Hi-Z
Hi-Z
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
Lo
–
–
–
–
–
–
–
)
LINK Power Status Signal to PHY
(L: Annex-J Isolarion)
Bus Holder Enable Signal (H: Enable) CMOS Schmitt Input
Cabele Not Active
Power Down Enable
LINK Request Signal to PHY
LINK ON Signal from PHY
Selects Connection to PHY
Clock Signal from PHY (49.152MHz) Schmitt Input (Bus Holder)
IDE IORDY Signal
IDE Interrupt Signal
IDE PDIAG Signal
Pin Function
EPSON
Schmitt Input (Bus Holder)
Try State Output
Drive ability 12mA
Schmitt Input (Bus Holder)
Tray State Output
Drive Ability 12mA
Drive Ability 12mA
Drive Ability 12mA
Schmitt Input (Bus Holder)
CMOS Input
Drive Ability 3mA
Drive Ability 6mA
Drive Ability 3mA
Drive Ability 3mA
Remarks