1 VDD A6 P06 A5 P05 2 A4 P04 P03 A3 3 A1 P02 A2 4 A0 P01 5 VDD PWM1 PWM0 RSC CHIP D 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 D C2 10p XO1 XI1 -XM XO2 XI2 D3 D2 P27 D1 D0 C Y2 32.768Kz R1 NOT USED P26 P25 C3 10p C4 10p B R3 1K AVDD NC A0 P0-1 NC A1 P0-2 A2 NC P0.3 A3 NC VDD PWM1 PWM0 GND NC A4 P0-4 NC A5 P0-5 NC A6 P0-6 NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 P0-0 D7 D6 PDN D5 D4 GND XO1 XI1 VDD -XM XO2 XI2 D3 D2 P2-7 D1 D0 GND VDD P2-6 M1 P2-5 BRKPT RESET RSC4000 DACOUT AVSS VCM MICIN2 MICIN1 AMPCOM VREF AVDD NC P2-4 P2-3 NC P2-2 GND P2-1 P2-0 GND VDD -RDF -WRD -RDR -WRC A19 A18 TEST C1 10p P00 D7 D6 PDN D5 D4 U1 P0-7 A7 A8 P1-0 A9 VDD GND A10 P1-1 A11 P1-2 A12 P1-3 A13 P1-4 A14 P1-5 A15 VDD GND P1-6 A16 P1-7 A17 PLLEN AVDD P00 P01 P02 P03 P04 P05 P06 P07 P07 A7 A8 P10 A9 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 P10 P11 P12 P13 P14 P15 P16 P17 A10 P11 A11 P12 A12 P13 A13 P14 A14 P15 A15 P20 P21 P22 P23 P24 P25 P26 P27 P16 A16 P17 A17 P00 P01 P02 P03 P04 P05 P06 P07 AVDD AGND P10 P11 P12 P13 P14 P15 P16 P17 C P20 P21 P22 P23 P24 P25 P26 P27 B R2 nu 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Y1 3.58MHz VDD GND -RESET A A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A19 A18 P21 P20 P24 P23 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 P22 VDD PDN -WRC -RDR -WRD -RDF AINCLAP AIN DACOUT A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 C11 1.0 C12 2.2 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 C13 D2 0.1 D3 D4 D5 D6 D7 4 3 C6 0.1 C7 0.1 C8 0.1 C9 0.1 C10 0.1 Place as close to VDD pins of U1 as possible. A Title Size A Date: 5 C5 0.1 RSC-4x Demo/Evaluation Board: RSC-4000 Document Number 70-0065 Thursday, September 01, 2005 2 Rev A Sheet 1 of 1 17 5 4 3 2 1 D D U2 OUTTER-NEGATIVE 1 2 3 4 JP1 BAT-POSITIVE BAT-NEGATIVE 1 2 BYPASS N/C GND INPUT /SHTDN /ERROR SENSE OUTPUT 8 7 6 5 LP2989IMM-3.0 Battery Holder ZETEX FMMT449 Q1 J1 OUTTER-NEGATIVE CENTER-POSITIVE C C14 0.1 R4 POWERJACK C15 220 VDD C16 C 0.01 (PPS Film) 1K D1 MMBZ5232BW 5.6V C17 0.1 C18 4.7 (X5R) B B Power Jack Layout Switchcraft: RAPC722 VDD AVDD connected to plug center VDD GND power jack opens when plugged TEST POINT VDD A Title VDD Size A jack mating face Date: 4 TP2 GND GND 5 TEST POINT 1 2 connected to plug outside component side view looking from top TP1 1 2 AVDD AGND A VDD 3 RSC-4x Demo/Evaluation Board: Power Supply Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 2 of 1 17 5 4 3 2 C19 D 1 2 R6 100K D JP3 DAC GND 1 2 HEADER 2 C20 0.1 3 DACOUT SW2 JP46 C21 2.2 (X7R) HEADER 2 J2 AUDIO DAC OUTPUT U3 TPA301D 4 3 2 1 2 R7 10K Pot with SW C22 0.1 1 SW1 ININ+ BYPASS SHTDN Vout+ Vdd GND Vout- 5 6 7 8 C23 0.47 1 2 C VDD 220p R5 47K JP2 1 C HEADER 2 Speaker Amp OUTTER-NEGATIVE PDNBUF1 OFF ON 1 2 3 B B VOLUME Top View of board VDD A A VDD Title GND Size A Date: 5 4 3 RSC-4x Demo/Evaluation Board: Audio Outputs Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 3 of 1 17 5 4 3 2 1 PWM1 VDD C24, C26, no longer used C25 0.01 D R96 100 R98 1K R99 1K PWM0 Q2 FMMT589TA Q4 FMMT489TA VDD Q3 FMMT589TA D16 MA3X153AOLCT C 2 3 D A 1 Q6 FMMT489TA R102 10K D R100 1K Q5 FMMT489TA VDD 3 C VDD GND R97 100 D17 MA3X153AOLCT C 2 D VDD R101 1K Q7 FMMT489TA 1 A R104 5.6, 0.5W R105 100 C R103 10K R106 100 Q8 Q9 FMMT489TA FMMT489TA R107 220 R108 220 JP4 B B 1 2 HEADER 2 VDD 1 3 R77 1K 4 6 7 9 J3 AUDIO PWM OUTPUT 2 5 8 RSC4128/464 A A 10 RSC-4128 RSC-464 12 Title 11 S7 SW 4PDT E-Switch: EG4208 Size A Date: 5 4 3 RSC-4x Demo/Evaluation Board: PWM Outputs Document Number 70-0065 Monday, November 28, 2005 2 Rev A Sheet 4 of 1 17 5 4 3 2 1 AVDD R8 270 D R9 1.2K JP5 HEADER 2 JP6 HEADER 2 1 2 C27 220/10V R11 2.7K JP7 HEADER 2 1 2 NORM C28 0.1 R10 1.8K JP8 HEADER 2 1 2 LOW MED D R12 Not Used Thru Hole JP9 HEADER 2 1 2 1 2 HI CUST Mic Gain Select C C R13 Not Used C29 0.1 B X1 MICROPHONE R14 1.5K AIN B D3 2 C32 0.033 1 AINCLAP C A D 3 J4 MIC INPUT C31 3300p C30 0.01 MA3X153AOLCT AVDD A A AVDD Mic Input Circuit Title AGND Size A Date: 5 4 3 RSC-4x Demo/Evaluation Board: Microphone Circuit Document Number 70-0065 Friday, January 20, 2006 2 Rev A Sheet 5 of 1 17 5 4 3 2 1 VDD J5 D P11BUF P13BUF P15BUF P17BUF R15 R17 R19 R21 R23 R25 R27 R29 R31 R33 R35 R37 P01 P03 P05 P07 P21 P23 P25 P27 -RST VDD 33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 100 100 100 100 100 100 100 100 100 100 100 100 R16 R18 R20 R22 R24 R26 R28 R30 R32 R34 R36 R38 R39 100 100 100 100 100 100 100 100 100 100 100 100 100 J6 P00 P02 P04 P06 A0 A2 A4 A6 A8 A10 A12 A14 A16 A18 D0 D2 D4 D6 -RDR P10BUF P12BUF P14BUF P16BUF P20 P22 P24 P26 PDNBUF2 CON34A C RSC4128 P11BUF P11 VDD U4 1 2 3 4 1S 2B 2A GND VDD 1A 1B 2S 8 7 6 5 -RST P10BUF RSC4128 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 D A1 A3 A5 A7 A9 A11 A13 A15 A17 A19 D1 D3 D5 D7 CON40A P10 C PDNBUF2 C33 0.1 RSC4128/464 FSA1256 RSC4128 P13BUF P13 C34 0.1 U5 1 2 3 4 1S 2B 2A GND VDD 1A 1B 2S 8 7 6 5 P12BUF RSC4128 U6A P12 RSC4128 P15BUF P15 B C35 0.1 U7 1 2 3 4 1S 2B 2A GND VDD 1A 1B 2S 8 7 6 5 U6B P14BUF RSC4128 P14 P17 A U8 1 2 3 4 1S 2B 2A GND VDD 1A 1B 2S 8 7 6 5 U6C 8 10 P16BUF RSC4128 P16 A VDD C37 0.1 VDD GND Title Size A Date: 4 74HC32 9 -WRC FSA1256 5 6 5 PROG/RUN C36 0.1 74HC32 4 -WRD FSA1256 RSC4128 P17BUF 3 2 FSA1256 B 74HC32 1 -RDF 3 RSC-4x Demo/Evaluation Board: I/O Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 6 of 1 17 5 4 3 2 1 U9A 2 3 -RESET D4 MA3X152EOL D VDD VDD R40 220K C38 0.001 R41 47K C40 0.01 1 A1 2 A2 C 1 74HC08 VDD D 3 C39 0.01 VDD U10 C41 0.1 1 2 3 4 1S 2B 2A GND VDD 1A 1B 2S 8 7 6 5 -RST C42 0.1 FSA1256 C 0WS/1WS 8 7 6 5 FSA1256 PROGRAM VDD 1A 1B 2S S2 RESET 1S 2B 2A GND S1 VDD U11 1 2 3 4 C C43 0.1 1WS/0WS VDD B -WRC 11 CLK CL 9 Q 8 4 -FLASH2SRAM FLASH2SRAM A VDD Title Size A GND Date: 4 D 3 CLK 3 Q 5 RUN/PROG Q 6 PROG/RUN A VDD 5 2 C44 0.1 13 Q PR D VDD U12B 74HC74 CL 12 PR D0 U12A 74HC74 1 10 B RSC-4x Demo/Evaluation Board: Microphone Circuit Document Number 70-0065 Monday, November 28, 2005 2 Rev A Sheet 7 of 1 17 5 4 3 2 1 VDD -RDR U13A 1 -RDF D 3 2 -FLASH2SRAM U14 74LVC32 U13B 4 6 5 FLASH2SRAM 74LVC32 2 3 5 6 11 10 14 13 1A 1B 2A 2B 3A 3B 4A 4B 15 1 G A/B 1Y 4 8MF-OE 2Y 7 SRAM-OE 3Y 9 4Y 12 VCC 16 GND 8 D OTP-OE VDD C45 0.1 74LVC257A PROG/RUN U13C 9 8 10 C 12 RUN/PROG 13 C 74LVC32 U13D -WRD 8MF-WE U15A 11 1 3 2 74LVC32 SRAM-WE 74LVC32 U6D 12 13 11 PDNBUF2 3 PDNBUF1 74HC32 U16A 1 B PDN 2 B 74HC32 U26F 13 12 -PDN 74HC04 VDD VDD A C46 0.1 C47 0.1 C48 0.1 C49 0.1 VDD GND A Title Size A Date: 5 4 3 RSC-4x Demo/Evaluation Board: Control 2 Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 8 of 1 17 5 4 3 D 2 1 D VDD C50 0.1 4 D 3 CLK PR 2 CL D1 Q 5 Q 6 R42 220 D5 LED YEL C 1 C WR-SRAM U18A 74HC74 10 12 D -WRC 11 CLK CL PR D2 WR-FLASH U18B 74HC74 Q 9 Q 8 R43 220 D6 LED GRN B 13 B PROG/RUN VDD A VDD GND A Title Size A Date: 5 4 3 RSC-4x Demo/Evaluation Board: Control 3 Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 9 of 1 17 5 4 3 2 1 D D VDD A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 R44 100K C PDNBUF1 1 2 R45 100K -RDR 1 2 JP10 HEADER 2 DPCE JP11 HEADER 2 DPOE 12 11 10 9 8 7 6 5 27 26 23 25 4 28 29 3 2 30 31 1 22 24 U19 ROM EMU DIP 8Mbit A0 O0 13 A1 O1 14 A2 O2 15 O3 17 A3 A4 O4 18 A5 O5 19 O6 20 A6 A7 O7 21 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 CE OE D0 D1 D2 D3 D4 D5 D6 D7 C VDD VCC 32 C51 0.1 GND 16 B B CODE DIP A A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 VDD A Title VDD GND Size A Date: 5 4 3 RSC-4x Demo/Evaluation Board: Memory Code DIP Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 10 of 1 17 5 4 3 2 1 VDD D D R46 100K -RESET 1 2 R47 100K U15B 4 PDNBUF1 6 5 1 2 R48 100K 74LVC32 C 8MF-WE 1 2 R49 100K 8MF-OE 1 2 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 JP12 HEADER 2 CFRT JP13 HEADER 2 CFCE JP14 HEADER 2 CFWE JP15 HEADER 2 CFOE U20 45 25 24 23 22 21 20 19 18 8 7 6 5 4 3 2 1 48 17 16 12 A-1 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 RESET 47 BYTE 26 11 28 CE WE OE D0 D1 D2 D3 D4 D5 D6 D7 29 31 33 35 38 40 42 44 RY/BY 15 D0 D1 D2 D3 D4 D5 D6 D7 VDD VCC C 37 C52 0.1 GND GND 46 27 AM29LV800BT-70EC CODE FLASH U9B 74HC08 B A A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 RUN/PROG 5 0WS/1WS 4 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 B 6 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 VDD A Title VDD GND Size A Date: 5 4 3 RSC-4x Demo/Evaluation Board: Memory Code Flash Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 11 of 1 17 5 4 3 2 U21 CY7C1049BV33 A0 A1 A2 A3 A4 D D2 D3 R50 100K SRAM-WE 1 2 R51 100K SRAM-OE C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 D0 D1 VDD 1 2 R52 100K 1 2 JP16 HEADER 2 CSWE 1 A5 A6 A7 A8 A9 NC A18 A17 A16 A15 -OE D7 D6 GND VCC D5 D4 A14 A13 A12 A11 A10 NC A0 A1 A2 A3 A4 -CE D0 D1 VCC GND D2 D3 -WE A5 A6 A7 A8 A9 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 A18 A17 A16 A15 D D7 D6 D5 D4 A14 A13 A12 A11 A10 CODE SRAM JP17 HEADER 2 CSOE C VDD JP18 HEADER 2 C53 0.1 CSCE U15C 9 PDNBUF1 8 10 74LVC32 B B U9C 74HC08 10 RUN/PROG A A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 8 9 1WS/0WS A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 VDD A Title VDD GND Size A Date: 5 4 3 RSC-4x Demo/Evaluation Board: Memory Code SRAM Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 12 of 1 17 5 4 D 3 2 1 D VDD A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 R53 100K PDNBUF1 1 2 R54 100K OTP-OE 1 2 C U22 JP19 HEADER 2 DLCE JP20 HEADER 2 DLOE 20 19 18 17 16 15 14 13 3 2 31 1 12 4 5 11 10 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 30 32 CE OE 7 WE O0 O1 O2 O3 O4 O5 O6 O7 21 22 23 25 26 27 28 29 NC NC 6 9 VCC 8 D0 D1 D2 D3 D4 D5 D6 D7 VDD C C54 0.1 GND 24 TOSP am29LV010B-90ED(TSOP) LOADER VDD JP21 1 2 3 VDD HEADER 3 B A R55 100K DOWNLOAD KARAOKE A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 B VDD A Title VDD GND Size A Date: 5 4 3 RSC-4x Demo/Evaluation Board: Memory Code Loader Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 13 of 1 17 5 4 3 2 -CE VDD R56 100K R57 100K SFASI D R58 100K R59 100K SFACLK R60 100K R61 100K SFACE R62 100K JP22 SFACE P03 1 2 SFWDAT JP23 1 2 HEADER 2 SFWCLK P04 SFWCLK SO/DAT CLK SFACLK P04 JP25 SFASI P05 1 2 1 2 ATMEL HEADER 2 HEADER 2 HEADER 2 JP26 JP27 JP28 1 2 SFWDAT P06 SFWADR P05 1 2 1 2 HEADER 2 JP29 SESCL P04 SI/ADD JP24 SFASO P06 HEADER 2 SFWADR 1 WINBOND HEADER 2 JP30 SESDA P07 1 2 D 1 2 HEADER 2 SEEP HEADER 2 SESCL C C -RESET P07 P06 P05 P04 P03 -RESET P07 P06 P05 P04 P03 VDD U23 1 2 3 4 VDD VDD GND A0 A1 A2 VSS VCC NC SCL SDA 8 7 6 5 SESCL SESDA U24 C55 0.1 SFASI SFACLK -RESET SFACE 1 2 3 4 SO GND VCC -WP 8 7 6 5 SFASO SEEP VDD R64 100K AT45DB081B-CNC 24LC128 B SI SCK -RST -CS ATMEL C56 0.1 U25 1 2 3 4 SFWADR T2 NC VSS ADR B VDD T1 VDD CLK DAT 8 7 6 5 SFWCLK SFWDAT C57 0.1 W551CXXX WINBOND A A Title J7,C58,JP31,R63 were removed Size A Date: 5 4 3 RSC-4x Demo/Evaluation Board: Memory Serial Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 14 of 1 17 5 4 3 2 1 VDD R65 220 U26A 1 D P20 1 2 LED Green 74HC04 3 1 2 R67 220 C R69 220 JP34 HEADER 2 1 2 R68 100 B D9 P25 D S4 B SW PUSHBUTTON JP37 HEADER 2 1 2 R70 100 C LED Yellow 74HC04 9 1 2 SW PUSHBUTTON JP36 HEADER 2 S5 C 6 R71 220 U26D P23 D8 P24 LED Yellow 74HC04 5 1 2 S3 A 4 JP33 HEADER 2 U26C P22 R66 100 A 2 JP32 HEADER 2 U26B P21 D7 D10 P26 JP38 HEADER 2 1 2 SW PUSHBUTTON C R72 100 D S6 D 8 JP35 HEADER 2 LED Red 74HC04 P27 JP39 HEADER 2 1 2 R73 1M SW PUSHBUTTON R63 100 R75 1M P02 B JP31 HEADER 2 1 2 R76 1M S9 E SW PUSHBUTTON B R78 1M PWR VDD PDNBUF1 U26E 11 R79 1K 0WS A S8 SW SPDT 10 5 LED Green 1WS/0WS 74HC04 VDD U15D 12 1WS 11 13 A Title VDD 0WS/1WS GND 74LVC32 4 VDD R74 220 D11 Size A Date: 3 RSC-4x Demo/Evaluation Board: LEDs and Switches Document Number 70-0065 Monday, August 22, 2005 2 Rev A Sheet 15 of 1 17 5 4 3 USB USBVCC CN1 CN-USB R81 27 1 2 3 4 USBVCC 3V3OUT 8 USBDM 7 3 26 13 U27 USBDP TXD 25 USBPCTXOUT RXD 24 USBPCRXIN RTS# 23 CTS# 22 DTR# 21 DSR# 20 DCD# 19 RI# 18 TXDEN 16 1 2 5 27 Y3 6MHz RESONATOR XTIN B 28 XTOUT PWREN# 15 4 RESET# PWRCTL 14 TXLED# 12 RXLED# 11 SLEEP# 10 32 EECS 1 EESK 2 EEDATA 31 U28 R89 2.2K A TEST 8 7 6 5 29 VCC NC NC GND AGND USBVCC CS SK DIN DOUT R84 330 R85 330 D12 LED RX D2 LED TX B USBGND FT232BM 93C46 A R90 10K Title Size A Date: 5 C R87 1M R88 15k 1 2 3 4 USBVCC GND GND R86 10k RSTOUT# 9 17 C R83 1.5K 6 AVCC 30 C60 0.1 VCC VCC VCC-IO C59 0.039 FB1 Ferrite Bead D USB3V3 R82 27 C61 0.01 USBVCC 1 R80 470 5 D 2 4 3 RSC-4x Demo/Evaluation Board: USB 1 Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 16 of 1 17 5 4 3 2 1 RXPC JP40 -PDN 1 2 3 PDNBUF1 VDD INT EXT U29 D 1 2 3 4 1-OE 1A 2Y GND VDD 2-OE 1Y 2A D14 MA3X152K HEADER 3 3 8 7 6 5 74LVC2G240 C62 0.1 C USB3V3 NC 2 A 1 U30 1 2 3 4 R92 220 TXPWR VDD R93 100K NC A C NC VCC EN OUT GND 8 7 6 5 USBPCRXIN C63 0.1 HCPL-060L JP41 1 2 3 D R91 3.3K INT EXT HEADER 3 C C TX 1 2 P01 P00 1 2 3 4 B JP42 1 2 3 RX 1 2 JP45 TXPC JP43 HEADER 2 JP44 HEADER 2 INT EXT D15 MA3X152K HEADER 3 R94 3.3K EXT VDD RXPC TXPC GND A 2 NC C 3 U31 8 7 6 5 EXT DBG HEADER 4 1 VCC EN OUT GND NC A C NC 1 2 3 4 B USBPCTXOUT R95 220 HCPL-060L C64 0.1 USBGND U32 1 2 3 A 1A GND 2A 1Y VDD 2Y 74LVC2G04 6 5 4 C65 0.1 A VDD Title VDD Size A GND Date: 5 4 3 RSC-4x Demo/Evaluation Board: USB 2 Document Number 70-0065 Wednesday, August 17, 2005 2 Rev A Sheet 17 of 1 17