ESP32-WROOM-32 2.6 2018 www.espressif.com
ESP32-WROOM-32 www.espressif.com/zh-hans/subscribe www.espressif.com/zh-hans/certificates URL Wi-Fi Wi-Fi Bluetooth SIG 2018
1 1 2 3 2.1 3 2.2 3 2.3 Strapping 5 3 6 3.1 CPU 6 3.2 Flash SRAM 6 3.3 6 3.4 RTC 6 4 7 5 8 5.1 8 5.2 8 5.3 (3.3V, 25 C) 8 5.4 Wi-Fi 9 5.5 9 5.5.1 9 5.5.2 10 5.6 11 6 12 7 13 8 15 9 PCB 16 10 17 10.1 17 10.2 17 18
1 ESP32-WROOM-32 1 2 3 3 Strapping 5 4 8 5 8 6 8 7 Wi-Fi 9 8 9 9 10
1 ESP32-WROOM-32 3 2 11 3 ESP32-WROOM-32 12 4 ESP32-WROOM-32 13 5 VDD33 13 6 14 7 ESP32-WROOM-32 15 8 PCB 16
1. 1. ESP32-WROOM-32 Wi-Fi+BT+BLE MCU MP3 ESP32-D0WDQ6 * CPU 80 MHz 240 MHz CPU ESP32 SD SDIO/SPI UART I 2 S I 2 C * ESP32 ESP32 Wi-Fi Wi-Fi BLE Beacon ESP32 5 µa 150 Mbps 20 dbm ESP32 LwIP freertos TLS 1.2 OTA 1 ESP32-WROOM-32 1: ESP32-WROOM-32 RF FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC Wi-Fi Wi-Fi Alliance BQB RoHS/REACH HTOL/HTSL/uHAST/TCT/ESD 802.11 b/g/n 802.11n 150 Mbps Wi-Fi A-MPDU A-MSDU 0.4 µs 2.4 GHz ~ 2.5 GHz v4.2 BR/EDR BLE 97 dbm NZIF Class-1, Class-2 Class-3 AFH CVSD SBC 1 ESP32-WROOM-32 V2.6
1. SD UART SPI SDIO I 2 C LED PWM PWM I 2 S IR GPIO ADC DAC 40 MHz / 2.7V ~ 3.6V 80 ma 500 ma 40 C ~ +85 C (18.00±0.10) mm x (25.50±0.10) mm x (3.10±0.10) mm 2 ESP32-WROOM-32 V2.6
2. 2. 2.1 Keepout Zone 1 38 2 3V3 IO23 37 3 EN IO22 36 4 SENSOR_VP TXD0 35 5 SENSOR_VN RXD0 34 6 7 IO34 IO35 39 IO21 NC 33 32 8 IO32 IO19 31 9 IO33 IO18 30 10 IO25 IO5 29 11 IO26 IO17 28 12 IO27 IO16 27 13 IO14 IO4 26 14 IO12 IO13 SD2 SD3 CMD CLK SD0 SD1 IO15 IO2 IO0 25 24 23 22 21 20 19 18 17 16 15 1: ESP32-WROOM-32 2.2 ESP32-WROOM-32 38 2 2: 1 P 3V3 2 P EN 3 I SENSOR_VP 4 I GPIO36, ADC1_CH0, RTC_GPIO0 SENSOR_VN 5 I GPIO39, ADC1_CH3, RTC_GPIO3 IO34 6 I GPIO34, ADC1_CH6, RTC_GPIO4 IO35 7 I GPIO35, ADC1_CH7, RTC_GPIO5 IO32 8 I/O GPIO32, XTAL_32K_P (32.768 khz ), ADC1_CH4, TOUCH9, RTC_GPIO9 3 ESP32-WROOM-32 V2.6
2. IO33 9 I/O GPIO33, XTAL_32K_N (32.768 khz ), ADC1_CH5, TOUCH8, RTC_GPIO8 IO25 10 I/O GPIO25, DAC_1, ADC2_CH8, RTC_GPIO6, EMAC_RXD0 IO26 11 I/O GPIO26, DAC_2, ADC2_CH9, RTC_GPIO7, EMAC_RXD1 IO27 12 I/O GPIO27, ADC2_CH7, TOUCH7, RTC_GPIO17, EMAC_RX_DV IO14 13 I/O GPIO14, ADC2_CH6, TOUCH6, RTC_GPIO16, MTMS, HSPICLK, HS2_CLK, SD_CLK, EMAC_TXD2 IO12 14 I/O GPIO12, ADC2_CH5, TOUCH5, RTC_GPIO15, MTDI, HSPIQ, HS2_DATA2, SD_DATA2, EMAC_TXD3 15 P IO13 16 I/O GPIO13, ADC2_CH4, TOUCH4, RTC_GPIO14, MTCK, HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER SHD/SD2* 17 I/O GPIO9, SD_DATA2, SPIHD, HS1_DATA2, U1RXD SWP/SD3* 18 I/O GPIO10, SD_DATA3, SPIWP, HS1_DATA3, U1TXD SCS/CMD* 19 I/O GPIO11, SD_CMD, SPICS0, HS1_CMD, U1RTS SCK/CLK* 20 I/O GPIO6, SD_CLK, SPICLK, HS1_CLK, U1CTS SDO/SD0* 21 I/O GPIO7, SD_DATA0, SPIQ, HS1_DATA0, U2RTS SDI/SD1* 22 I/O GPIO8, SD_DATA1, SPID, HS1_DATA1, U2CTS IO15 23 I/O GPIO15, ADC2_CH3, TOUCH3, MTDO, HSPICS0, RTC_GPIO13, HS2_CMD, SD_CMD, EMAC_RXD3 IO2 24 I/O GPIO2, ADC2_CH2, TOUCH2, RTC_GPIO12, HSPIWP, HS2_DATA0, SD_DATA0 IO0 25 I/O GPIO0, ADC2_CH1, TOUCH1, RTC_GPIO11, CLK_OUT1, EMAC_TX_CLK IO4 26 I/O GPIO4, ADC2_CH0, TOUCH0, RTC_GPIO10, HSPIHD, HS2_DATA1, SD_DATA1, EMAC_TX_ER IO16 27 I/O GPIO16, HS1_DATA4, U2RXD, EMAC_CLK_OUT IO17 28 I/O GPIO17, HS1_DATA5, U2TXD, EMAC_CLK_OUT_180 IO5 29 I/O GPIO5, VSPICS0, HS1_DATA6, EMAC_RX_CLK IO18 30 I/O GPIO18, VSPICLK, HS1_DATA7 IO19 31 I/O GPIO19, VSPIQ, U0CTS, EMAC_TXD0 NC 32 - - IO21 33 I/O GPIO21, VSPIHD, EMAC_TX_EN RXD0 34 I/O GPIO3, U0RXD, CLK_OUT2 TXD0 35 I/O GPIO1, U0TXD, CLK_OUT3, EMAC_RXD2 IO22 36 I/O GPIO22, VSPIWP, U0RTS, EMAC_TXD1 IO23 37 I/O GPIO23, VSPID, HS1_STROBE 38 P * SCK/CLK SDO/SD0 SDI/SD1 SHD/SD2 SWP/SD3 SCS/CMD GPIO6 GPIO11 SPI flash 4 ESP32-WROOM-32 V2.6
2. 2.3 Strapping ESP32 5 Strapping 6 MTDI GPIO0 GPIO2 MTDO GPIO5 GPIO_STRAPPING 5 strapping RTC Strapping 0 1 Strapping / Strapping / Strapping Strapping / MCU GPIO ESP32 Strapping Strapping Strapping 3 3: Strapping LDO (VDD_SDIO) 3.3V 1.8V MTDI 0 1 SPI GPIO0 1 0 GPIO2 0 U0TXD U0TXD U0TXD MTDO 1 0 SDIO MTDO 0 0 1 1 GPIO5 0 1 0 1 LDO (VDD_SDIO) SDIO 3.3V SPI flash MTDI 1 5 ESP32-WROOM-32 V2.6
3. 3. ESP32-WROOM-32 3.1 CPU ESP32-D0WDQ6 Xtensa 32-bit LX6 MCU 448 KB ROM 520 KB SRAM RTC 8 KB SRAM Deep-sleep RTC CPU RTC 8 KB SRAM Deep-sleep 1 Kbit efuse 256 bit MAC ; 768 bit, flash ID 3.2 Flash SRAM ESP32 QSPI flash (SRAM) ESP32 SPI ESP32 AES flash ESP32 QSPI flash SRAM flash CPU CPU 11 MB+248 KB 3 MB+248 KB cache CPU 4 MB 8-bit 16-bit 32-bit SRAM CPU 4 MB 8-bit 16-bit 32-bit ESP32-WROOM-32 4 MB SPI flash ESP32 GPIO6 GPIO7 GPIO8 GPIO9 GPIO10 GPIO11 3.3 40 MHz 3.4 RTC ESP32 ESP32 ESP32 RTC 6 ESP32-WROOM-32 V2.6
4. 4. ESP32 GPIO6-11 SPI flash GPIO6-11 GPIO 6 7 ESP32-WROOM-32 V2.6
5. 5. 5.1 4: VDD33 0.3 3.6 V T store 40 150 C 5.2 5: VDD33 2.7 3.3 3.6 V I V DD 0.5 - - A T 40-85 C 5.3 (3.3V, 25 C) 6: C IN - 2 - pf V IH 0.75 VDD 1 - VDD + 0.3 V V IL 0.3-0.25 VDD V I IH - - 50 na I IL - - 50 na V OH 0.8 VDD - - V V OL - - 0.1 VDD V I OH (VDD = 3.3V, V OH = 2.64V, PAD_DRIVER = 3) I OL (VDD = 3.3V, V OL = 0.495V, PAD_DRIVER = 3) - 40 - ma - 28 - ma R P U - 45 - kω R P D - 45 - kω V IL_nRST EN - - 0.6 V 1. VDD I/O ESP32 IO_MUX 8 ESP32-WROOM-32 V2.6
5. 5.4 Wi-Fi 7: Wi-Fi - 2412-2484 MHz - - * - Ω 11n, MCS7 12 13 14 dbm 11b 17.5 18.5 20 dbm 11b, 1 Mbps - 98 - dbm 11b, 11 Mbps - 89 - dbm 11g, 6 Mbps - 92 - dbm 11g, 54 Mbps - 74 - dbm 11n, HT20, MCS0-91 - dbm 11n, HT20, MCS7-71 - dbm 11n, HT40, MCS0-89 - dbm 11n, HT40, MCS7-69 - dbm 11g, 6 Mbps - 31 - db 11g, 54 Mbps - 14 - db 11n, HT20, MCS0-31 - db 11n, HT20, MCS7-13 - db IPEX 50Ω IPEX 5.5 5.5.1 8: @30.8% PER - - 97 - dbm @30.8% PER - 0 - - dbm C/I - - +10 - db F = F0 + 1 MHz - 5 - db F = F0 1 MHz - 5 - db C/I F = F0 + 2 MHz - 25 - db F = F0 2 MHz - 35 - db F = F0 + 3 MHz - 25 - db F = F0 3 MHz - 45 - db 30 MHz ~ 2000 MHz 10 - - dbm 2000 MHz ~ 2400 MHz 27 - - dbm 2500 MHz ~ 3000 MHz 27 - - dbm 3000 MHz ~ 12.5 GHz 10 - - dbm - 36 - - dbm 9 ESP32-WROOM-32 V2.6
5. 5.5.2 9: - - 0 - dbm - - 3 - dbm - 12 - +12 dbm F = F0 ± 2 MHz - 52 - dbm F = F0 ± 3 MHz - 58 - dbm F = F0 ± > 3 MHz - 60 - dbm f1avg - - - 265 khz f2max - 247 - - khz f2avg/ f1avg - - 0.92 - - ICFT - - 10 - khz - - 0.7 - khz/50 µs - - 2 - khz 10 ESP32-WROOM-32 V2.6
5. 5.6 ( ) 250 217 200 150 ~ 200 60 ~ 120s 235 ~ 250 217 60 ~ 90s > 30s -1 ~ -5 /s 100 1 ~ 3 /s 50 25 0 0 50 100 150 200 250 (s) 25 ~ 150 60 ~ 90s 1 ~ 3 /s 150 ~ 200 60 ~ 120s >217 60 ~ 90s 235 ~ 250 30 ~ 70s ~ 180-1 ~ -5 /s (SAC305) 2: 11 ESP32-WROOM-32 V2.6
12 ESP32-WROOM-32 V2.6 6. VDD33 VDD33 VDD33 ANT1 1 2 PCB ANT C11 1uF C15 TBD C14 C12 10uF TBD L4 TBD C13 10uF C10 0.1uF 1 2 3 4 SENSOR_VP5 6 7 SENSOR_VN8 CHIP_PU 9 GPIO34 10 GPIO35 11 GPIO32 12 The values of C14, L4 and C15 vary with the actual selection of a PCB board. C3 100pF C16 270pF C17 270pF C20 1uF C9 0.1uF C5 10nF/6.3V(10%) R1 C6 The values of C1 and C2 vary with the selection of a crystal. 20K(5%) 3.3nF/6.3V(10%) 49 VDDA LNA_IN VDD3P3 VDD3P3 SENSOR_VP SENSOR_CAPP SENSOR_CAPN SENSOR_VN CHIP_PU VDET_1 VDET_2 32K_XP ESP32-D0WDQ6 C1 22pF GPIO33 GPIO25 GPIO26 GPIO27 GPIO14 GPIO12 1 4 XIN U1 3 2 XOUT 40MHz+/-10ppm 48 CAP1 47 CAP2 VDDA 46 XTAL_P 45 XTAL_N 44 VDDA 43 42 GPIO21 U0TXD 41 U0RXD 40 39 GPIO22 38 GPIO19 VDD3P3_CPU 37 32K_XN GPIO25 GPIO26 GPIO27 MTMS MTDI VDD3P3_RTC MTCK MTDO GPIO2 GPIO0 GPIO4 13 14 15 16 17 18 19 20 21 22 23 24 GPIO13 GPIO15 GPIO2 GPIO0 GPIO4 C2 22pF 36 GPIO23 35 GPIO18 34 GPIO5 33 SD_DATA_1 32 SD_DATA_0 SD_CLK 31 SD_CMD 30 29 SD_DATA_3 28 SD_DATA_2 27 GPIO17 VDD_SDIO 26 25 GPIO16 U2 C4 0.1uF C18 1uF C19 0.1uF GPIO21 U0TXD U0RXD GPIO22 GPIO19 VDD33 GPIO23 GPIO18 GPIO5 SDI/SD1 SDO/SD0 SCK/CLK SCS/CMD SWP/SD3 SHD/SD2 GPIO17 GPIO16 VDD_SDIO VDD33 SCS/CMD SCK/CLK SHD/SD2 1 6 7 U3 /CS CLK FLASH VDD_SDIO /HOLD 4 VCC 8 DI 5 DO 2 /WP 3 SDI/SD1 SDO/SD0 SWP/SD3 Pin.1 Pin.2 3V3 Pin.3 CHIP_PU/EN CHIP_PU Pin.4 SENSOR_VP SENSOR_VP Pin.5 SENSOR_VN SENSOR_VN Pin.6 IO34 Pin.7 IO35 Pin.8 IO32 Pin.9 IO33 Pin.10 IO25 Pin.11 IO26 Pin.12 IO27 Pin.13 IO14 Pin.14 IO12 3: ESP32-WROOM-32 GPIO34 GPIO35 GPIO32 GPIO33 GPIO25 GPIO26 GPIO27 GPIO14 GPIO12 D1 ESD3.3V88D-C VDD33 Pin.15 Pin.16 IO13 Pin.17 SD2 Pin.18 SD3 Pin.19 CMD Pin.20 CLK Pin.21 SD0 Pin.22 SD1 Pin.23 IO15 Pin.24 IO2 Pin.39 GPIO13 SHD/SD2 SWP/SD3 SCS/CMD SCK/CLK SDO/SD0 SDI/SD1 GPIO15 GPIO2 Pin.38 Pin.37 IO23 Pin.36 IO22 Pin.35 TXD0 Pin.34 RXD0 Pin.33 IO21 Pin.32 NC Pin.31 IO19 Pin.30 IO18 Pin.29 IO5 Pin.28 IO17 Pin.27 IO16 Pin.26 IO4 Pin.25 IO0 GPIO23 GPIO22 U0TXD U0RXD GPIO21 GPIO19 GPIO18 GPIO5 GPIO17 GPIO16 GPIO4 GPIO0 6.
7. 7. VDD33 VDD33 C1 C2 10uF 0.1uF C3 R1 10K 0.1uF EN SENSOR_VP SENSOR_VN IO34 IO35 IO32 IO33 IO25 IO26 IO27 1 2 3 4 5 6 7 8 9 10 11 12 13 14 U1 1 3V3 EN SENSOR_VP SENSOR_VN IO34 IO35 IO32 IO33 IO25 IO26 IO27 IO14 IO12 P_ 39 38 3 37 IO23 36 IO22 35 TXD0 34 RXD0 33 IO21 NC 32 31 IO19 30 IO18 29 IO5 28 IO17 27 IO16 26 IO4 25 IO0 IO23 IO22 TXD RXD IO21 IO19 IO18 IO5 IO17 IO16 IO4 IO0 UART DOWNLOAD 3 2 1 J1 2 IO13 SD2 SD3 CMD CLK SD0 SD1 IO15 IO2 1 2 J2 15 16 17 18 19 20 21 22 23 24 BOOT OPTION JTAG U2 MTMS 1 2 MTDI MTCK 3 MTDO 4 R2 100R R3 100R R4 100R R5 100R MTMS MTDI MTCK MTDO SD2 SD3 CMD CLK SD0 SD1 MTDI should be kept at a low electric level when powering up the module. IO2 4: ESP32-WROOM-32 MTDI Espressif Systems ESP32-WROOM-32 39 Title Application of ESP32-WROO Discharge Circuit CAP Added By User Date: 5 4 3 2 VCC Size A4 Document Number <Doc> Thursday, June 21, 2018 1 2 SW1 D1 VDD33 Q1 + C1 Bulk CAP ESP Module R1 100K R2 1K 5: VDD33 VDD33 VDD33 ESP32 13 ESP32-WROOM-32 V2.6
7. VBAT R1 0R 3 U1 1 VCC 2 RESET# CHIP_PU Power Supply Supervisor R2 100K 6: ESP32 Power Supply Supervisor ESP32 2.3V ESP32 CHIP_PU 4 3 14 ESP32-WROOM-32 V2.6
15 ESP32-WROOM-32 V2.6 8. 25.50±0.10 6.00±0.10 Module Length 1.27±0.10 1.50±0.10 Module Width 17.60±0.10 1.00±0.10 18.00±0.10 Antenna Area 15.80±0.10 1.27±0.10 11.43±0.10 3.28±0.10 0.45±0.10 0.90±0.10 ESP32-WROOM-32 DIMENSIONS 3.10±0.10 Module Thickness 0.80±0.10 PCB Thickness 25.50±0.10 16.51±0.10 1.50±0.10 1.27±0.10 Top View Side View Bottom View 7: ESP32-WROOM-32 3.28±0.10 18.00±0.10 4.00±0.10 4.00±0.10 8.65±0.10 11.43±0.10 0.90±0.10 6.30±0.10 0.85±0.10 Unit: mm 8.
9. PCB 9. PCB Unit:mm 18 7.49 6.3 2 0.9 1 38 4 5 25.5 1.27x13=16.51 6.51 5 1 15 24 2.785 1.27x9=11.43 2.785 17 8: PCB 16 ESP32-WROOM-32 V2.6
10. 10. 10.1 ESP32 ESP32 ESP32 ESP-IDF ESP32 API ESP32 ESP32 ESP32 ESP32 PCB ESP32 ESP32 ESP32 ESP32 ESP32 AT ESP32 AT AT AT AT Wi-Fi AT TCP/IP AT TCP UDP TCP 10.2 ESP32 ESP32 (E2E) ESP32 GitHub GitHub ESP32 ESP32 flash ESP32 ESP-IDF ESP32 IDF ESP32 ESP32 17 ESP32-WROOM-32 V2.6
2018.08 V2.6 1 ESP32-WROOM-32 3.4 RTC (18±0.2) mm x (25.5 ±0.2) mm x (3.1±0.15) mm (18.00±0.10) mm x (25.50±0.10) mm x (3.10±0.10) mm 7: Wi-Fi 2018.06 V2.5 ESP32-WROOM-32 1 ESP32-WROOM-32 3 8 PCB 4 5 6 DC 9 2018.03 V2.4 1 1 2018.01 V2.3 3.4 RTC A 7 2017.10 V2.2 2.3 Strapping Active sleep Modem-sleep 7 ; VDD33 2017.09 V2.1 / 2.7 ~ 3.6V 7 2017.08 V2.0 1 NZIF BLE -97 dbm 4, 7, 8, 9; 8 2017.06 V1.9 2.1 3.3 3 2017.05 V1.8 1 ESP-WROOM-32 2017.04 V1.7 7 Wi-Fi 50 Ω 30+j10 Ω 2017.04 V1.6 2 2017.03 V1.5 2.2 3.2 Flash SRAM 18 ESP32-WROOM-32 V2.6
4 2017.03 V1.4 1 2 3 7 Wi-Fi 5.6 10 2016.12 V1.3 2.1 2016.11 V1.2 7 2016.11 V1.1 6 2016.08 V1.0 19 ESP32-WROOM-32 V2.6