0a-esp8285 datasheet cn - Espressif

1 esp8285 .. ESP8285N08. ESP8285H16.. 2021.. esp8285 .. B . 5-2 Deep-sleep 10 A 20 A . 26 MHz 52 MHz 24 MHz 52 MHz . V V . 50 39 + j6 . 3 V . V V . VDDPST V V . 2 . CPU .. 1-1 . Wi-Fi . Wi-Fi .. 2-1 . AHB AHB .. UART . IR . 4-2 SPI .. 2-1 33 . ash .. GPIO . CHIP_EN .. HSPI .. ESP8285H08 .. cates .. fl fi . 1..1. Wi-Fi ..2..2..3. 2..4. 3..7. CPU Flash ..7. CPU ..7..7. SPI ..8..8..8..8..9..9. GHz ..10. GHz ..10..10. Wi-Fi ..10. Wi-Fi ..10. Wi-Fi MAC ..11..11. 4..13. / (GPIO) ..13. SDIO ..13. (SPI/HSPI) ..13. SPI / ..14. HSPI /.

2 14. I2C ..14. I2S ..15. (UART) ..15. (PWM) ..16. IR ..17. ADC / ..17. 5..19..19..20. Wi-Fi ..21. 6..22. I. - ..23. II. - ..24..24..24..25. 1.. 1.. esp8285 Wi-Fi SoC .. esp8285 Wi-Fi . MCU esp8285 ash . esp8285 . SPI/SDIO UART Wi-Fi . esp8285 balun . PCB . esp8285 Tensilica's L106 32-bit . SRAM esp8285 IO (SDK) .. (ESCP- Espressif Systems' Smart Connectivity Platform) .. / .. / /DDR/LVDS/LCD . esp8285 .. 1-1. esp8285 .. ESP8285N08 1 MB 40 C ~ 85 C. ESP8285H16 2 MB 40 C ~ 105 C. Espressif 1/26 . fl 1.. Wi-Fi . b/g/n n ( GHz) Mbps (defragmentation).

3 2 x Wi-Fi . Beacon TSF . (Infrastructure BSS) Station /SoftAP / .. 1-2.. b/g/n (HT20). 2400 MHz ~ MHz b: +19 dBm g: +19 dBm (6 Mbps). g: +15 dBm (54 Mbps). Wi-Fi n: +19 dBm (MCS0). n: +14 dBm (MCS7). b: 97 dBm (1 Mbps). g: 74 dBm (54 Mbps). n: 70 dBm (MCS7). PCB IPEX . CPU Tensilica L106 32 bit . UART/SDIO/SPI/I2C/I2S/IR .. GPIO/ADC/PWM/LED Light & Button V ~ V. 80 mA. 5 mm x 5 mm - Espressif 2/26 . 1.. Wi-Fi Station/SoftAP/SoftAP+Station WPA/WPA2. WEP/TKIP/AES. UART Download/OTA . Cloud Server Development/ SDK . IPv4/IPv6 TCP/UDP SSL/MQTT/HTTP/HTTPS/mDNS/CoAP.

4 AT+ Android/iOS APP.. ESP8266_RTOS_SDK SDK ESP8266_RTOS_SDK .. IP .. ID .. Espressif 3/26 . 2.. 2.. 2-1 . EXT_RSTB. XTAL_OUT. XTAL_IN. RES12K. U0 RXD. U0 TXD. VDDD. VDDA. 32. 31. 30. 29. 28. 27. 26. 25. VDDA 1 24 GPIO5. LNA 2 23 SD_DATA_1. VDD3P3 3 22 SD_DATA_0. VDD3P3 4 21 SD_CLK. esp8285 . VDD_RTC 5 20 SD_CMD. TOUT 6 19 SD_DATA_3. CHIP_EN 7 33 GND 18 SD_DATA_2. XDP_DCDC 8 17 VDDPST. 9. 10. 11. 12. 13. 14. 15. 16. MTMS. MTDI. VDDPST. MTCK. MTDO. GPIO2. GPIO0. GPIO4. 2-1.. 2-1 . 2-1.. 1 VDDA P V ~ V. Espressif 4/26 . 2.. 39+j6.

5 2 LNA I/O.. 3 VDD3P3 P V ~ V. 4 VDD3P3 P V ~ V. 5 VDD_RTC P NC ( V). ADC ADC VDD3P3 (Pin3, 6 TOUT I. Pin4) TOUT (Pin6) .. 7 CHIP_EN I.. 8 XPD_DCDC I/O GPIO16. 9 MTMS I/O GPIO14 HSPI_CLK. 10 MTDI I/O GPIO12 HSPI_MISO. 11 VDDPST P /IO ( V ~ V). 12 MTCK I/O GPIO13 HSPI_MOSI UART0_CTS. 13 MTDO I/O GPIO15 HSPI_CS UART0_RTS. 14 GPIO2 I/O Flash UART1_TX GPIO2. 15 GPIO0 I/O GPIO0 SPI_CS2. 16 GPIO4 I/O GPIO4. 17 VDDPST P /IO ( V ~ V). 18 SDIO_DATA_2 I/O SD_D2 200 PIHD HSPIHD GPIO9. 19 SDIO_DATA_3 I/O SD_D3 200 SPIWP HSPIWP GPIO10. 20 SDIO_CMD I/O SD_CMD 200 SPI_CS0 GPIO11.

6 21 SDIO_CLK I/O SD_CLK 200 SPI_CLK GPIO6. 22 SDIO_DATA_0 I/O SD_D0 200 SPI_MISO GPIO7. 23 SDIO_DATA_1 I/O SD_D1 200 SPI_MOSI GPIO8. 24 GPIO5 I/O GPIO5. 25 U0 RXD I/O ash UART RX GPIO3. 26 U0 TXD I/O ash UART TX GPIO1 SPI_CS1. 27 XTAL_OUT I/O BT . Espressif 5/26 . fl fl 2.. 28 XTAL_IN I/O . 29 VDDD P V ~ V. 30 VDDA P V ~ V. 31 RES12K I 12 k . 32 EXT_RSTB I .. 1. GPIO2 GPIO0 MTDO SDIO . 2. esp8285 SDIO_CMD SDIO_CLK SDIO_DATA_0 SDIO_DATA_1 ash .. 3. U0 TXD . Espressif 6/26 . fl 3.. 3.. esp8285 3-1 . RF Analog MAC Interface receive receive UART.

7 Registers RF balun GPIO. Switch Digital baseband I2C. CPU. RF Analog I2S. transmit transmit SDIO. Sequencers PWM. ADC. Accelerator PLL VCO 1/2 PLL. SPI. PMU Crystal Bias circuits SRAM PMU Flash 3-1.. CPU Flash CPU. esp8285 Tensilica L106 32-bit RISC CPU 160. MHz (RTOS) Wi-Fi 80% . CPU . Flash RAM/ROM (iBus). RAM (dBus). AHB .. esp8285 ROM SRAM MCU iBus dBus . AHB .. Espressif 7/26 . 3.. RTOS SDK esp8285 Station AP. SRAM Heap + Data 75 kB .. SRAM ESP8266_RTOS_SDK SDK Espressif /ESP8266_RTOS_SDK . SPI . esp8285 SPI . 1-1 . SPI Dual SPI.

8 esp8285 TX . RX 24 MHz 52 MHz .. Wi-Fi 3-1 .. 3-1.. FXO 24 52 MHz CL - 32 pF. CM 2 5 pF. RS 0 65 . FXO 15 15 ppm ( 25 C ~ 75 C) FXO,Temp 15 15 ppm . 24 MHz 52 MHz . 3-2 . Espressif 8/26 . 3.. 3-2.. VXO Vpp FXO,EXT 15 15 ppm @1 kHz , 40 MHz - - 120 dBc/Hz @10 kHz , 40 MHz - - 130 dBc/Hz @100 kHz , 40 MHz - - 138 dBc/Hz . esp8285 . GHz . GHz .. Bias .. b/g/n . 3-3.. (MHz) (MHz). 1 2412 8 2447. 2 2417 9 2452. 3 2422 10 2457. 4 2427 11 2462. 5 2432 12 2467. 6 2437 13 2472. 7 2442 14 2484. Espressif 9/26 . 3.. GHz . GHz 2 ADC.

9 esp8285 . (AGC) DC . GHz . GHz GHz . (CMOS) . b 19 dBm (MSC0) 19. dBm . esp8285 .. I/Q .. GHz .. Wi-Fi esp8285 TCP/IP b/g/n WLAN MAC . (DCF) (BSS) STA SoftAP .. Wi-Fi . esp8285 Wi-Fi . b g n MCS0-7 20 MHz . Espressif 10/26 . 3.. n s . Mbps STBC 2 x 1.. Wi-Fi MAC. esp8285 Wi-Fi MAC . 2 Wi-Fi . (Infrastructure BSS) Station /SoftAP / . RTS CTS (Immediate Block Ack). (defragmentation). CCMP CBC-MAC TKIP (MIC RC4) WEP (RC4) CRC. Beacon TSF . Wi-Fi/ .. esp8285 .. Active . Modem-sleep CPU Wi-Fi . Light-sleep CPU MAC RTC .. Deep-sleep RTC.

10 Espressif 11/26 . 3.. 3-4.. Wi-Fi TX packet Active ( 5-2 . Wi-Fi RX packet Modem-sleep CPU 15 mA. Light-sleep - mA. Deep-sleep RTC 20 uA. - uA.. Modem-sleep CPU PWM I2S Wi-Fi . ( U-APSD) Wi-Fi Modem . DTIM3 300 ms 3 ms AP Beacon . 15 mA . Light-sleep CPU Wi-Fi Wi-Fi . (U-APSD) Wi-Fi Modem CPU DTIM3 . 300 ms 3 ms AP Beacon mA . Deep-sleep Wi-Fi ( 100 s ) 300 s ~ 1 s AP 1 mA . 20 A V . Espressif 12/26 . 4.. 4.. / (GPIO). esp8285 17 GPIO . GPIO PAD / XPD_DCDC . GPIO PAD . CPU . IO . GPIO I2C I2S UART PWM IR . SDIO. esp8285 1 SDIO 4-1 25 MHz SDIO.)