6.1.2Signal definition

SATA has receivers and drivers to be connected to Tx+/- and Rx +/- Serial data signal. Defines the signal names of I/O connector pin and signal name.

 

No.

 

Plug Connector pin definition

Signal

I/O

 

 

 

 

 

 

 

S1

GND

2nd mate

Gnd

 

 

S2

A+

Differential signal A from Phy

RX+

Input

 

 

 

 

 

 

 

S3

A-

 

RX-

Input

 

 

 

 

 

 

Signal

S4

Gnd

2nd mate

Gnd

 

 

 

 

 

 

 

 

S5

B-

Differential signal B from Phy

TX-

Output

 

 

 

 

 

 

 

S6

B+

 

TX+

Output

 

 

 

 

 

 

 

S7

Gnd

2nd mate

Gnd

 

 

 

 

 

 

 

 

 

 

Key and spacing separate signal and power segments

 

 

 

 

 

 

 

 

 

P1

V33

3.3V power

3.3V

 

 

 

 

 

 

 

 

P2

V33

3.3V power

3.3V

 

 

 

 

 

 

 

 

P3

V33

3.3V power, pre-charge, 2nd Mate

3.3V

 

 

 

 

 

 

 

 

P4

Gnd

1st mate

Gnd

 

 

 

 

 

 

 

 

P5

Gnd

2nd mate

Gnd

 

 

 

 

 

 

 

 

P6

Gnd

2nd mate

Gnd

 

 

 

 

 

 

 

 

P7

V5

5V power,pre-charge,2nd Mate

5V

 

 

 

 

 

 

 

 

P8

V5

5V power

5V

 

Power

P9

V5

5V power

5V

 

 

 

 

 

 

 

 

P10

Gnd

2nd mate

Gnd

 

 

 

 

 

 

 

 

P11

Reserved

Support staggered spin-up and LED activity

Reserve

 

 

 

 

 

 

 

 

P12

Gnd

1st mate

Gnd

 

 

 

 

 

 

 

 

P13

V12

12V power,pre-chage,2nd mate

V12

 

 

P14

V12

12V power

V12

 

 

 

 

 

 

 

 

P15

V12

12V power

V12

 

 

 

 

 

 

 

Table 14 Interface connector pins and I/O signals

6.1.2.1TX+ / TX-

These signal are the outbound high-speed differrential signals that are connected to the serial ATA cable

6.1.2.2RX+ / RX-

These signals are the inbound high-speed differential signals that are connected to the serial ATA cable.

The following standard shall be referenced about signal specifications.

Serial ATA: High Speed Serialized AT Attachment Revision 2.6 15-Feb-2007

Hitachi hard disk drive specifications

25

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Image 25
Hitachi HCS721025CLA382, A7K2000 Signal definition, 2.1 TX+ / TX, 2.2 RX+ / RX, Interface connector pins and I/O signals

HCS721016CLA382, HCS721050CLA382, HCS721025CLA382, HDP725050GLA360, HUA722050CLA330/1 specifications

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