88SM4140 データシートの表示（PDF） - Marvell Semiconductor
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88SM4140 Datasheet PDF : 112 Pages
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88SM4140 Preliminary Specifications
Serial ATA 3.0 Gbps: 1-to-4 Port Multiplier
3.3 Pin Descriptions
3.3.1
Pin Type Definitions
This section outlines the 88SM4140 pin descriptions. All signals ending with the letter N
indicate an active-low signal. Pin type definitions are shown in the following table.
Table 3-1 Pin Type Definitions
Pin Type
I/O
I
O
PD
PU
mA
5
Definition
Input and output
Input only
Output only
Internal pull-down resistor (100 kΩ)
Internal pull-up resistor (100 kΩ)
DC sink capability
5V olerance t
3.3.2 Pin List
Table 3-2 Signal Interface Pins
Signal Name
Port 0 Signal Interface
P0_TX_P
Signal
Number
60
P0_TX_M
59
P0_RX_P
56
P0_RX_M
57
Port 1 Signal Interface
P1_TX_P
5
P1_TX_M
4
P1_RX_P
1
P1_RX_M
2
Port 2 Signal Interface
Type Description
O
Device Port 0.
Transmit Data. Differential analog output.
O
Device Port 0.
Transmit Data. Differential analog output.
I
Device Port 0.
Receive Data. Differential analog input.
I
Device Port 0.
Receive Data. Differential analog input.
O
Device Port 1.
Transmit Data. Differential analog output.
O
Device Port 1.
Transmit Data. Differential analog output.
I
Device Port 1.
Receive Data. Differential analog input.
I
Device Port 1.
Receive Data. Differential analog input.
3-6
Copyright © 2007 Marvell Technology Group, Ltd.
Do not duplicate without permission. Document Classification: Proprietary
Package
February 1, 2007
Doc No. MV-S101553-00 Rev. G
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