Pins
- 1 M PC5 STM8 PC5 port
- 2 M_PC6 STM8 PC6 port
- 3 M_PC7 STM8 PC7 mouth
- 4 GND GND
- 5 M_PD3 STM8 PD3 port
- 6 M_PD4 STM8 PD4 port
- 7 M_NRST STM8 NRST port
- 8 GND common ground
- 9 M_PD2 STM8 PD2 port
- 10 M_PD5 STM8 PD5 port
- 11 M_PD6 STM8 PD6 port
- 12 M_PA1 STM8 PA1 port or crystal input port
- 13 M_PA2 STM8 PA2 port or oscillator output
- 14 E_GPIO0 ESP8266 GPIO0 port: 1) Default WiFi Status. 2) Operating mode selection.
- 15 M_VCAP STM8 VCAP port
- 16 M_VDD STM8 power supply pin
- 17 E_VDD ESP8266 power supply pin
- 18 M_PA3 STM8 PA3 port
- 19 M_PB5 STM8 PB5 port
- 20 M_PB4 STM8 PB4 port
- 21 M_PC3 STM8 PC3 port
- 22 M_PC4 STM8 PC4 port
Specs
Power consumption
The following data is based on a 3.3V power supply, ambient temperature 25 ° measured.
[1] All measurements were performed at the antenna interface.
[2] all transmit data based on a 90% duty cycle, continuous transmission mode at measured.
Mode Min Max Unit usual
- Transfer 802.11b, CCK 1Mbps, Pout = + 19.5dBm 215 mA
- Transfer 802.11b, CCK 11Mbps, Pout = + 18.5dBm 197 mA
- Transfer 802.11g, OFDM54 Mbps, Pout = + 16dBm 145 mA
- Transfer 802.11n, MCS7, Pout = + 14dBm 135 mA
- Receiving 802.11b, packet length of 1024 bytes, -80dBm 100 mA
- Receiving 802.11g, packet length of 1024 bytes, -70dBm 100 mA
- Receiving 802.11n, packet length of 1024 bytes, -65dBm 102 mA
- System Standby mode 70 mA
- 0.5 μA shutdown
-
RF specs
The following data is at room temperature, the measured voltage is 3.3V.
Description Min Max Unit usual
- 2412 2484 MHz input frequency
- Input resistance 50 Ω
- -10 DB input reflection
- Under 72.2Mbps, PA output power 14 15 16 dBm
- 802.11b mode, PA output power 17.5 18.5 19.5 dBm
Sensitivity
- CCK 1Mbps -98 dBm
- CCK 11Mbps -91 dBm
- 6Mbps (1 / 2BPSK) -93 dBm
- 54Mbps (3/4 64-QAM) -75 dBm
- HT20, MCS7 (65Mbps, 72.2Mbps) -71 dBm
Adjacent suppression
- OFDM, 6Mbps 37 dB
- OFDM, 54Mbps 21 dB
- HT20, MCS0 37 dB
- HT20, MCS7 20 dB
Note: 1) 72.2Mbps under 802.11n mode, MCS = 7, GI = 200uS when measured; 2) 802.11b mode output power up to + 19.5dBm of;