Difference between revisions of "1166 - DSP Mainboard"

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== PCB Layout To-Do List ==
 
== PCB Layout To-Do List ==
  
 +
1. Create footprint for RJ-45 connector to enable mounting from top or bottom side of PCB
 +
2. Move RJ-45 connector to the right and down at least 400-500 mils
 +
3. Move PoE module down another 100-150 mils for clearance
 +
4. Replace 10 pin and 14 pin headers with surface mount type (see datasheets below)
 +
5.
  
  
 +
== Datasheet Links ==
  
== Datasheet Links ==
+
[http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=MSH10ETR-ND 10-pin SMT header]
 +
 
 +
[http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=MSH14ETR-ND 14-pin SMT header]
  
 
[http://focus.ti.com/lit/ds/symlink/tms320c6424.pdf (U1)DSP: TMS320C6424]
 
[http://focus.ti.com/lit/ds/symlink/tms320c6424.pdf (U1)DSP: TMS320C6424]
 +
 
[http://download.micron.com/pdf/datasheets/dram/ddr2/256MbDDR2.pdf (U17,18)DDR2 SDRAM]
 
[http://download.micron.com/pdf/datasheets/dram/ddr2/256MbDDR2.pdf (U17,18)DDR2 SDRAM]
 +
 
[http://focus.ti.com/lit/an/sprab08/sprab08.pdf Implementing DDR2 PCB Layout on the TMS320C6424 DSP]
 
[http://focus.ti.com/lit/an/sprab08/sprab08.pdf Implementing DDR2 PCB Layout on the TMS320C6424 DSP]
  

Revision as of 23:27, 10 March 2010

General Info

Part Number: 10684


PCB Layout To-Do List

1. Create footprint for RJ-45 connector to enable mounting from top or bottom side of PCB 2. Move RJ-45 connector to the right and down at least 400-500 mils 3. Move PoE module down another 100-150 mils for clearance 4. Replace 10 pin and 14 pin headers with surface mount type (see datasheets below) 5.


Datasheet Links

10-pin SMT header

14-pin SMT header

(U1)DSP: TMS320C6424

(U17,18)DDR2 SDRAM

Implementing DDR2 PCB Layout on the TMS320C6424 DSP

(U2)NOR Flash

(U4)I2C EEPROM: 8-Lead SOIC

(U3,5,6,11,19,21)Bus Switch

(U7-9)DC-DC Converter

(U10,12,13)Supervisory Circuit

(U14,16)I2C Bus Repeater

(U15)OR Gate

(U20)Ethernet PHY Transceiver

(U22)PoE Module

(U23)Inverter

(U901)Rotary Switch

(P1) Vert RJ-45

(Y1)Crystal Oscillator: CSM-8A

(Y2)Crystal Oscillator

(L3,5,7)ELL6SH type inductor

(SW1)Reset Switch