
D
C
B
A
| 1 | 2 | 
D3.3V
| R77 | R78 | R79 | 
| 150 | 150 | 150 | 
| 2 | 2 | 2 | 
| 5 | 6 | 7 | 
| K | K | K | 
| 1BLUE_LED1BLUE_LED1BLUE_LED | ||
GP13_A19
GP15_A21
GP14_A20
R76
10k
| 1 | 2 | 
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 | D | 
| R42 | R43 | R44 | R45 | 
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| 10k | 10k | 10k | 10k | 
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 | U25D | 
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 | V4 | PCBE0 | 
 | HD00 / AD00 | Y3 | 
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 | T2 | 
 | AA1 | 
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 | PCBE1 / HDS2 | 
 | HD01 / AD01 | 
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 | M1 | 
 | Y4 | 
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 | PCBE2 / HR/W | 
 | HD02 / AD02 | 
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 | J2 | 
 | Y2 | 
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 | PCBE3 / GP10 | 
 | HD03 / AD03 | 
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 | W3 | 
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 | HD04 / AD04 | HWDTHSEL | 
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 | N4 | 
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 | Y1 | 
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 | PFRAME / HINT | HWDTHSEL / HD05 / AD05 | 
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 | N3 | W4 | 
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 | PTRDY / HHWIL | 
 | HD06 / AD06 | 
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 | N1 | 
 | W2 | 
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 | PIRDY / HRDY | 
 | HD07 / AD07 | 
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 | R3 | 
 | V2 | 
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 | PSTOP / HCNTL0 | 
 | HD08 / AD08 | 
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 | P1 | 
 | V3 | 
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 | PDEVSEL / HCNTL1 | 
 | HD09 / AD09 | 
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 | P3 | 
 | V1 | 
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 | PPAR / HAS | 
 | HD10 / AD10 | 
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 | U4 | 
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 | HD11 / AD11 | 
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 | R1 | 
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 | U2 | 
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 | PPERR / HCS | 
 | HD12 / AD12 | 
 | HPI WIDTH SELECTION | 
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 | R2 | 
 | U3 | 
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 | PSERR / HDS1 | 
 | HD13 / AD13 | 
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 | U1 | 
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 | HD14 / AD14 | 
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 | F1 | 
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 | T3 | 
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 | PREQ / GP11 | 
 | HD15 / AD15 | 
 | HWDTHSEL | MODE SELECTED | 
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 | H4 | 
 | M3 | 
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 | PGNT / GP12 | 
 | MTXD0 / HD16 / AD16 | 
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 | M2 | 
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 | MTXD1 / HD17 / AD17 | 
 | 0 | 16 BITS | 
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 | K3 | 
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 | M4 | 
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 | PIDSEL / GP9 | 
 | MTXD2 / HD18 / AD18 | 
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 | L2 | 
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 | MTXD3 / HD19 / AD19 | 
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 | L3 | 
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 | MTXEN / HD20 / AD20 | 
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 | G4 | 
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 | K2 | 
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 | PINTA / GP13 | 
 | MCOL / HD21 / AD21 | 
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 | L4 | 
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 | MTCLK / HD22 / AD22 | 
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 | K1 | 
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 | HD23 / AD23 | 
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 | K4 | 
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 | MRXD0 / HD24 / AD24 | 
 | PCI SELECTION | 
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 | G3 | 
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 | J1 | 
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 | PRST / GP15 | 
 | MRXD1 / HD25 / AD25 | 
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 | J3 | 
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 | MRXD2 / HD26 / AD26 | 
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 | H2 | 
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 | MRXD3 / HD27 / AD27 | 
 | PCIEN | MODE SELECTED | 
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 | J4 | 
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 | MRXDV / HD28 / AD28 | 
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 | PCIEN | E2 | 
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 | G2 | 
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 | PCIEN | 
 | MRXER / HD29 / AD29 | 
 | 0 | PCI DISABLED | 
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 | H3 | 
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 | MCRS / HD30 / AD30 | 
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 | G1 | 
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 | C1 | 
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 | MRCLK / HD31 / AD31 | 
 | 1 | PCI ENABLED | 
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 | PCLK / GP14 | 
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 | T4 | XSPCS | 
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 | R4 | 
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 | XSPDI | 
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 | P5 | 
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 | XSPDO / MDIO | 
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 | R5 | 
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 | XSPCLK / MDCLK | 
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 | PCI / HPI / EMAC | 
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 | TMX320DM642CGDK | 
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 | B | 
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 | D3.3V | 
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 | R24 | 
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 | NO POP | 
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 | D3.3V | 
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 | HWDTHSEL | 
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 | R25 | 
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 | R23 | 
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 | NO POP | 
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 | NO POP | 
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 | PCIEN | 
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 | R37 | 
 | 
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 | 1k | 
 | 
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 | 
 | TEXAS INSTRUMENTS, INC. | 
 | 
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| 
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| 
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 | 12500 TI BLVD | 
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 | DALLAS, TEXAS 75243 | 
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 | DM642 PCI/HPI/EMAC | 
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 | A | 
| 
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 | Size | FCSM No. | DWG No. | 
 | Rev | 
| 
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 | Orcad B | 
 | 
 | 1 | |
| 
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 | 
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 | Scale | 
 | 
 | Sheet | 
 | 
| 
 | 
 | 
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 | 3 | 
 | 
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 | 4 | 
 | 
 | 5 | 
 | 8 of 17 | 6 | 
| 
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