Fujitsu MHZ2320BJ Manual Do Utilizador

The pin definitions are shown in Table 5.1. 

Signal segment key 

S1 Gnd 

2nd 

mate 

S2 A+ 

S3 A- 

Differential signal pair A from Phy 
Connected to TXD at the host side. 
Connected to RXD at the device side. 

S4 Gnd 

2nd 

mate 

S5 B- 

S6 B+ 

Differential signal pair B from Phy 
Connected to RXD at the host side. 
Connected to TXD at the device side. 

Signal segment 

S7 Gnd 

2nd 

mate 

"Key and spacing separate signal and power segments" 

P1 V33 

N.C.(Open) 

P2 V33 

N.C.(Open) 

P3 V33 

N.C.(Open) 

P4 Gnd 

1st 

mate 

P5 Gnd 

2nd 

mate 

P6 Gnd 

2nd 

mate 

P7 

V5 

5 V power, pre-charge, 2nd mate 

P8 

V5 

5 V power 

P9 

V5 

5 V power 

P10 Gnd 

2nd 

mate 

P11 Staggered 

Spin-up 
Mode/ 
Activity 
LED 

•  Staggered Spin-up mode detect for input 
•  Activity LED drive for output 
For the specification of P11, see Section 5.1.5.  
(in next page) 

When the host system does not use these 
functions, the corresponding pin to be mated 
with P11 in the power cable receptacle 
connector shall be grounded. 

P12 Gnd 

1st mate 

P13 V12 

N.C.(Open) 

P14 V12 

N.C.(Open) 

Power segment 

P15 V12 

N.C.(Open) 

Power segment key 

Notes: 

Note)  Since applying a single external supply voltage of 5 V enables this 

drive to operate it is unnecessary to supply +3.3 V and +12 V 
power supplies. 

C141-E280 

5-7