3-20
Signal Description
Version 2.1
Copyright © 2001, 2002, 2003 by LSI Logic Corporation. All rights reserved.
3.9 Power and Ground Pins
describes the Power and Ground signals.
Table 3.19
Power and Ground Pins
Signal Name BGA Position
Type
Strength Description
VDD_IO
A1, A2, A6, A10, A14, A18, A22, A26,
C7, C11, C15, C19, C23, D3, E26, F1,
G24, H3, J26, K1, L24, M3, N26, P1,
R24, T3, U26, V1, W24, Y3, AA26,
AB1, AC24, AD4, AD8, AD12, AD16,
AD20, AE26, AF1, AF5, AF9, AF13,
AF17, AF21, AF25
P
N/A
VDD_IO provides power for
the PCI bus
drivers/receivers, SCSI bus
drivers/receivers, local
memory interface
drivers/receivers, and other
I/O pins.
VSS_IO
A5, A9, A13, A17, A21, A25, B1, B26,
C4, C8, C12, C16, C20, D24, E1, F26,
G3, H24, J1, K26, L3, L11-L16,
M11-M16, M24, N1, N11-N16,
P11-P16, P26, R3, R11-R16, T11-T16,
T24, U1, V26, W3, Y24, AA1, AB26,
AC3, AD7, AD11, AD15, AD19, AD23,
AE1, AF2, AF6, AF10, AF14, AF18,
AF22, AF26
G
N/A
VSS_IO provides ground for
the PCI bus
drivers/receivers, SCSI bus
drivers/receivers, local
memory interface
drivers/receivers, and other
I/O pins.
VDDA
1
AB21, C1
P
N/A
VDDA provides the analog
circuit power for the PLL
circuit.
VSSA
1
AD24, H5
G
N/A
VSSA provides the analog
circuit ground for the PLL
circuit.
VDDC
D2, D6, D15, E19, J22, M22, N2, AC7,
AD3, AD25, AE3, AE24, AF15
P
N/A
VDDC provides power for
the core logic.
VSSC
B4, C14, C21, C26, F25, G4, L22, P2,
AB5, AB7, AB8, AB23, AB24, AD14
G
N/A
VSSC provides ground for
the core logic.
PCI5VBIAS
M23, W25, Y22, AB22, AC10, AD9,
AD18, AE6, AF12
I
N/A
Connects the PCI 5V
Tolerant pins to 5 V in a 5 V
system or to 3.3 V in a 3.3
V system.
NC
AC9
–
N/A
No Connect.
1. To reduce signal noise that can affect FSN functionality, place a ferrite bead in series with the VDDA
and VSSA pins. LSI Logic recommends a bead with a rating of 150
Ω
at 100 MHz.
Содержание LSI53C1030
Страница 6: ...vi Preface Version 2 1 Copyright 2001 2002 2003 by LSI Logic Corporation All rights reserved...
Страница 10: ...x Contents Version 2 1 Copyright 2001 2002 2003 by LSI Logic Corporation All rights reserved...
Страница 12: ...xii Version 2 1 Copyright 2001 2002 2003 by LSI Logic Corporation All rights reserved...
Страница 16: ...xvi Version 2 1 Copyright 2001 2002 2003 by LSI Logic Corporation All rights reserved...
Страница 84: ...3 26 Signal Description Version 2 1 Copyright 2001 2002 2003 by LSI Logic Corporation All rights reserved...
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