5 4 3 2 1 J3 and J4 mates up to the socket card, while J1 and J2 goes down to the mother board. J1 is physical placed below J3, and J2 below J4. STK600-RC044M-31 (qfp version of RC040M-5) VTG VCC_P17 Place close to J3, pin3 L2 Place close to J3, pin26 L1 Not Used Place close to J4, pin28 L3 Not Used VTG BLM21AG102SN1D BLM21AG102SN1D C9 100n C2 100n GND Place close to J3, pin3 GND AREF GND PB0 C3 100n GND Place close to J3, pin23 C7 100n C8 100n GND Place close to J3, pin39 GND Place close to J3, pin65 GND VCC_P17 PA0 1 3 5 7 9 11 GND PB0 13 PB2 15 PB4 17 PB6 19 21 GND PC0 23 PC2 25 PC4 27 TOSC1 29 31 GND PD0 33 PD2 35 PD4 37 PD6 39 41 GND 43 45 47 49 51 GND 53 55 57 59 61 GND 63 65 67 69 71 GND 73 75 77 79 81 GND XTAL1 83 XTAL2 85 87 GND TOSC1 TOSC1 89 TOSC2 91 TOSC2 RESET 93 95 GND 97 99 VCC C B GND 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 VTG VTG VTG VTG GND PA1 PA2 PA3 PA4 GND PA5 PA6 PA7 J1 PA0 PA2 PA4 PA6 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 GND PB4 PB3 PB2 PB1 Not Used PA1 PA3 PA5 PA7 AREF GND AVCC GND TOSC2 TOSC1 PB1 PB3 PB5 PB7 PC5 PC4 PC1 PC3 PC5 TOSC2 GND GND PD1 PD3 PD5 PD7 C14 100n GND J3 VTG AVCC C11 100n GND VTG GND GND Not Used PB5 PB6 PB7 RESET GND C6 1u GND Place close to J3, pin8 GND GND GND Place close to J3, pin4 GND PD0 PD1 PD2 PD3 VTG Not Used VCC_P14 C4 100n PD4 PD5 PD6 PD7 GND C26 100n GND Place close to J3, pin24 GND GND Place close to J3, pin12 GND VCC_P44 PC0 PC1 GND C5 100n GND VCC_P14 XTAL2 XTAL1 GND Not Used Not Used GND PC2 PC3 Not Used C12 100n GND Place close to J3, pin54 GND GND C19 100n Place close to J3, pin38 Not Used GND VTG VCC_P44 GND C16 100n C18 100n GND Place close to J3, pin72 GND GND BOARD_ID0 BOARD_ID4 GND Place close to J3, pin50 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 GND Not Used J1 GND Place close to J4, pin15 GND GND J2 GND GND GND GND GND GND GND GND VCC BOARD_ID1 BOARD_ID5 GND Not Used GND Not Used C17 100n VTG GND Place close to J4, pin26 PG5 C20 100n GND GND Place close to J4, pin56 DP DN IUID VTG Not Used AREF PB5 PB6 PB7 PC5 PC4 PC3 PC2 Not Used C22 100n C10 100n GND Place close to J4, pin35 GND Place close to J4, pin55 Not Used PDATA0 PDATA2 PDATA4 PDATA6 PCTRL0 PCTRL2 PCTRL4 PCTRL6 BOARD_ID0 BOARD_ID2 BOARD_ID4 PB0 PB2 PB4 PB6 PA0 PD2 PD4 PD6 C21 100n GND Place close to J4, pin66 GND A Not Used Not Used 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99 GND PCB1 PCB Clip Hole GND PCB Clip Hole 5 5 Y 3 1 6 I0 I1 I2 NC7SZ58P6X E2 GND GND GND GND E3 A08-0486.A FIDUCIAL VTG VTG VTG VBUS UVCon VCC PDATA1 PDATA3 PDATA5 PDATA7 PCTRL1 PCTRL3 PCTRL5 PCTRL7 BOARD_ID1 BOARD_ID3 BOARD_ID5 B PB1 PB3 PB5 PB7 PD1 PD3 PD5 PD7 id2: A/B id3: A XNOR B Y 4 /A A <Variant Name> ATMEL Norway AS Vestre Rosten 79 N-7075 TILLER Norway VCC C24 100n C13 100n GND FIDUCIAL VTG GND C25 100n FIDUCIAL VTG NC7SZ57P6X VCC E1 VTG NOR VCC 4 GND I0 I1 I2 2 NC7SZ58P6X 3 1 6 VCC 4 GND 5 Y 2 I0 I1 I2 VCC 5 NC7SZ57P6X 3 1 6 U4 2 A E6 4 GND PCB Clip Hole E4 Y U5 2 PCB Clip Hole I0 I1 I2 VCC 3 1 6 U6 GND U3 VTG VCC Board id 0x29, E7 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 Mating FSI-150 VCC E5 J2 C15 100n GND Mating FSI-140 VTG Mating FSI-150 J4 GND Place close to j4, pin6 J4 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 Mating FSI-140 VTG AREF0 AREF1 MOSI MISO SCK TDI TDO TMS TCK J3 Not Used Not Used GND D BLM21AG102SN1D C1 100n Title GND GND C23 100n GND Size A3 Date: STK600 RouterCard RC044M-31 Document Number <Doc> Tuesday, February 05, 2008 Rev A Sheet 1 of 1