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ESP32-PICO Folha de dados(PDF) 50 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD. |
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ESP32-PICO Folha de dados(HTML) 50 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD. |
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50 / 64 page ![]() 8 Peripheral Schematics This is the typical application circuit of the ESP32-PICO connected with peripheral components (for example, power supply, antenna, reset button, JTAG interface, and UART interface). 5 5 4 4 3 3 2 2 1 1 D D C C B B A A ESP32-PICO-D4 SD1 SD0 CLK CMD SD3 IO17 IO16 Flash(3.3V) SI WP CLK HOLD SO FLASH_CS pSRAM(3.3V) SIO0 SIO2 SIO3 SIO1 PSRAM_CS - SCLK Reset Button (Internal)Signal (External) Signal - SPI/QPI Module Pin Interface Signal SI/SIO[0] WP/SIO[2] Clock HOLD/SIO[3] pSRAM Chip Select Flash Chip Select SO/SIO[1] PSRAM_CS ANT1 EN IO35 IO34 IO32 U0RXD IO22 IO21 FLASH_CS U0TXD LAN_IN SENSOR_VP SENSOR_VN SIO1 IO9 PSRAM_CS SIO3 SCLK SIO2 SIO0 IO5 IO19 IO18 IO23 SIO1 SIO2 SIO0 SCLK SIO3 EN SENSOR_CAPP SENSOR_CAPN GND VDD_SDIO GND GND GND GND VDD33 GND VDD33 GND GND VDD_SDIO GND VDD33 GND GND VDD33 GND VDD33 C4 TBD R3 0R(1%) U2 pSRAM CS# 1 SO/SIO1 2 SIO2 3 VSS 4 SI/SIO0 5 SCLK 6 SIO3 7 VDD 8 C3 TBD C2 0.1uF/6.3V(10%) R2 TBD JP2 UART 1 1 2 2 3 3 4 4 C1 10uF/6.3V(10%) U1 ESP32-PICO-D4 VDDA 1 LNA_IN 2 VDDA3P3 3 VDDA3P3 4 SENSOR_VP 5 SENSOR_CAPP 6 SENSOR_CAPN 7 SENSOR_VN 8 EN 9 IO34 10 IO35 11 IO32 12 VDD_SDIO 26 IO16 25 IO17 27 SD2 28 SD3 29 CMD 30 CLK 31 SD0 32 SD1 33 IO5 34 IO18 35 IO23 36 JP3 JTAG 1 1 2 2 3 3 4 4 C5 0.1uF/6.3V(10%) ANT 1 2 JP1 Boot Option 1 1 2 2 SW1 L1 TBD C6 TBD Figure 10: ESP32-PICO-D4 Peripheral Schematics |
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