Raspberry Pi Pico原理图(RPI-PICO-R3-PUBLIC-SCHEMATIC).pdf

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5 4 3 2 1 TP1 VBUS USB_DM USB_DP TP2 TP3 D1 2 1 MBR120VLSFT1G R10 5K6 63mW 1% M1005 GPIO24 R1 10K 63mW 1% M1005 3V3_EN VSYS R2 100K 63mW 1% M1005 C1 47u M2012 6.3V X5R 20% L1 2u2 4 1 X L U2 VIN VINA PS EN RT6150B-33GQW 5 8 7 6 3V3 C2 47u M2012 6.3V X5R 20% 2 2 X L VOUT FB GND GND GND_PAD 1 10 9 3 11 PS=0: PFM mode (default, best efficiency) PS=1: PWM mode (improved ripple but much worse efficiency at light loads) GPIO23 TP4 R8 100K 63mW 1% M1005 GPIO0 GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 GPIO6 GPIO7 GPIO8 GPIO9 GPIO10 GPIO11 GPIO12 GPIO13 GPIO14 GPIO15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J0 VBUS VSYS 3V3 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 AGND 3V3_EN ADC_VREF GPIO28_ADC2 GPIO27_ADC1 GPIO26_ADC0 RUN GPIO22 GPIO21 GPIO20 GPIO19 GPIO18 GPIO17 GPIO16 CON_PICO_40W 67 J1 690-005-298-486 89 1 2 3 4 5 1 3 BOOTSEL SW1 TP6 2 4 TP-1221U-K9K5325 Disable Flash boot (forces USB boot) 3V3 R11 1K 63mW 1% M1005 R4 NO-FIT power tolerance M1005 3V3 C18 2u2 M1005 6.3V X5R 20% C15 100n M0603 6.3V X5R 10% 8 9 4 U3 VCC PAD CS CLK DI_IO0 DO_IO1 WP_IO2 GND HOLD_IO3 W25Q16JVUXIQ 1 6 5 2 3 7 QSPI_SS QSPI_SCLK QSPI_SD0 QSPI_SD1 QSPI_SD2 QSPI_SD3 VSYS R5 200K 63mW 1% M1005 R6 100K 63mW 1% M1005 C3 1n M0603 25V X7R 10% 3V3 1 3 2 GPIO29_ADC3 Q1 DMG1012T D C B A 3V3 1V1 C11 100n M0603 6.3V X5R 10% C10 100n M0603 6.3V X5R 10% U1 3V3 GPIO0 GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 GPIO6 GPIO7 GPIO8 GPIO9 GPIO10 GPIO11 C4 100n M0603 6.3V X5R 10% C5 100n M0603 6.3V X5R 10% 1 2 3 4 5 6 7 8 9 10 11 12 13 14 57 IOVDD GPIO0 GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 GPIO6 GPIO7 IOVDD GPIO8 GPIO9 GPIO10 GPIO11 GND P D _ B S U M D _ B S U R12 27R 50mW 1% M0603 X P D _ B S U X M D _ B S U 3V3 R7 200R 100mW 1% M1608 R9 1R 63mW 1% M1005 C13 2u2 M1005 6.3V X5R 20% R13 27R 50mW 1% M0603 1V1 3V3 ADC_AVDD C12 2u2 M1005 6.3V X5R 20% C14 2u2 M1005 6.3V X5R 20% 1 D S _ P S Q I 2 D S _ P S Q I 0 D S _ P S Q I I S S _ P S Q K L C S _ P S Q I 3 D S _ P S Q I 6 5 5 5 4 5 3 5 2 5 1 5 0 5 9 4 8 4 7 4 6 4 5 4 4 4 3 4 3V3 C7 100n M0603 6.3V X5R 10% C6 100n M0603 6.3V X5R 10% IOVDD GPIO29_ADC3 GPIO28_ADC2 GPIO27_ADC1 GPIO26_ADC0 GPIO25 GPIO24 GPIO23 GPIO22 IOVDD GPIO21 GPIO20 GPIO19 GPIO18 42 41 40 39 38 37 36 35 34 33 32 31 30 29 GPIO29_ADC3 GPIO28_ADC2 GPIO27_ADC1 GPIO26_ADC0 GPIO25 GPIO24 GPIO23 GPIO22 GPIO21 GPIO20 GPIO19 GPIO18 RP2040 I S S _ P S Q 1 D S _ P S Q I 2 D S _ P S Q I 0 D S _ P S Q I 3 D S _ P S Q I K L C S _ P S Q I I N V _ G E R V D D V A _ C D A T U O V _ G E R V D D V D D D V O I P D _ B S U M D _ B S U D D V _ B S U 2 1 O P G I 3 1 O P G I 4 1 O P G I 5 1 O P G I N E T S E T D D V O I D D V D T U O X K L C W S I O D W S N U R 6 1 O P G I 7 1 O P G I N X I 5 1 6 1 7 1 8 1 9 1 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 2 1 O P G I 3 1 O P G I 4 1 O P G I 5 1 O P G I T U O X N X I K L C W S I O D W S N U R 6 1 O P G I 7 1 O P G I D C B A ADC_VREF GPIO25 ADC current = ~150uA For best performance use external 3.0V shunt ref (e.g. LM4040) For lower offset (at expense of noise) connect VREF to 3V3 with lower resistance R3 470R 1% M1005 63mW TP5 D2 Green LED J2 SWCLK SWDIO D1 D2 D3 1 2 3 DEBUG CON_PICO_3W R15 XIN XOUT NO-FIT tolerance M1005 power X1 1 R X 3 2 4 12MHz R14 1K 63mW 1% M1005 C17 15p M0603 25V C0G 5% C16 15p M0603 25V C0G 5% Title Title Title Raspberry Pi Pico Raspberry Pi Pico Raspberry Pi Pico Size Size Size A3 A3 A3 Ref Ref Ref RPI-PICO RPI-PICO RPI-PICO © Raspberry Pi © Raspberry Pi © Raspberry Pi 2020 2020 2020 www.raspberrypi.org www.raspberrypi.org www.raspberrypi.org Drawn By Drawn By Drawn By James Adams James Adams James Adams Rev Rev Rev 3 3 3 ADC GPIO pins have diode to VDDIO (other GPIO do not) FET stops leakage through ADC3 pin diode into 3V3 net when 3V3 supply is off (VSYS present but 3V3_EN low) 3V3 1V1 C8 100n M0603 6.3V X5R 10% C9 100n M0603 6.3V X5R 10% 5 4 3 2 Date: Date: Date: Friday, January 15, 2021 Friday, January 15, 2021 Friday, January 15, 2021 Sheet Sheet Sheet 1 1 1 1 of of of 1 1 1

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Raspberry Pi Pico原理图(RPI-PICO-R3-PUBLIC-SCHEMATIC).pdf

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