Product Descriptions
The Ai-WB1-A1S-VOICE audio development board integrates an amplifier chip, MIC and speaker interface, reset button, LDO, and 2.54mm sockets on both sides, which can be quickly embedded into the product motherboard. In addition, the WB1-A1S module already integrates a codec chip (ES8311), which can quickly achieve voice acquisition and playback.
Ai-WB1-A1S is a Wi Fi&Bluetooth voice module, which is equipped with W800 chip as the core processor, supports Wi Fi 802.11b/g/n protocol and BLE 1M rate working mode, and supports BLE4.2 protocol. The module also integrates the ES8311 speech codec chip. The W800 chip is equipped with a low-power 32-bit XT804 CPU, operating at a frequency of 240MHz, 2MB of Flash, and 288KB of RAM. Including SDIO, PSRAM, SPIUART, I2C, PWM, ADC, Touch sensor, Duplex I2S and GPIO, MIC, Speak, etc
Product Specifications
| 模组型号 Module model | Ai-WB1-A1S |
| 模组封装 Module packaging | SMD-38 |
| 尺寸(mm) Size(mm) | 31.5*19.0*3.1(±0.2)MM |
| 天线形式 Antenna form | 默认板载天线兼容IPEX座子 Default onboard antenna compatible with IPEX mount |
| 频谱范围 Spectrum range | 2400-2483.5MHz |
| 工作环境 Work environment | -40℃~85 ℃ |
| 存储环境 Storage environment | -40℃~125°C,<90%RH |
| 供电范围 Power supply range | 供电电压3V~3.6V，供电电流≥500mA Supply voltage 3V~3.6V,supply current≥500mA |
| 支持接口 Support interfaces | UART/GPIO/ADC/PWM/I2C/SPI/Touch senser/PSRAM/SDIO/Duplexl2S/Microphone/Speaker |
| IO口数量 Number of IO ports | 11个 Default 11 |
| 串口速率 Series Rate | 默认115200bps Default 115200bps |
| 安全性 Safety | Wi-Fi WMM/WMM-PS/WPA/WPA2/WPS |
| Flash | 默认2MByte，最大支持16MByte Default 2MByte, maximum support 16MByte |
| PSRAM | 默认无，可支持扩展，最大支持 64Mbyte Default none, expandable, maximum support of 64Mbyte |
Ai-WB1-A1S has a total of 38 pins connected, as shown in the pin diagram. The pin function definition table is the interface definition.
| 脚序 Foot sequence | 名称 Name | 功能说明 Function Description |
| 1,9,20,38 | GND | 接地 Grounding |
| 2 | 3V3 | 3.3V供电;外部供电电源输出电流建议在 500mA 以上 3.3V power supply; It is recommended that the output current of the external power supply be above 500mA |
| 3,4,5,7,8,12,15,17,21,22,23,25,27,28 | NC | NC 为不可使用。 NC is not usable |
| 6 | BOOT | I2S_MCLK/LSPI_CS/PWM2/I2S_DO/BOOTMODE |
| 9 | PB1 | PWM1/LSPI_CLK/UART3_RX/PSRAM_CS/Touch4/GPIO |
| 10 | PB3 | PWM3/LSPI_MISO/UART2_RX/PSRAM_D1/Touch6/GPIO |
| 11 | PB4 | LSPI_CS/UART2_RTS/UART4_TX/PSRAM_D2/Touch7/GPIO |
| 13 | HBIAS | 内部 1K 电阻上拉到 AVCC(3.3V) Pull up the internal 1K resistor to AVCC (3.3V) |
| 14 | MIC1N | 音频芯片 RIN1 Audio chip RIN1 |
| 16 | MBIAS | 内部 1K 电阻上拉到 AVCC(3.3V) Pull up the internal 1K resistor to AVCC (3.3V) |
| 18 | MIC1P | 音频芯片 LIN1 通道 Audio chip LIN1 channel |
| 24 | OUTP | 音频芯片 ROUT1 通道 Audio chip ROUT1 channel |
| 26 | OUTN | 音频芯片 LOUT1 通道 Audio chip LOUT1 channel |
| 29 | PB0 | PWM0/LSPI_MISO/UART3_TX/PSRAM_CK/Touch3/GPIO |
| 30 | PB5 | LSPI_MOSI/UART2_CTS/UART4_RX/PSARM-D3/Touch8/GPIO |
| 31 | PB2 | PWM2/LSPI_CK/UART2_TX/PSRAM_D0/Touch5/GPIO |
| 32 | PB6 | UART1_TX/MMC_CLK/HSPI_CK/SDIO_CK/Touch9/GPIO |
| 33 | WAKEUP | WAKEUP 唤醒功能( wake-up function) |
| 34 | PB7 | UART1_RX/MMC_CMD/HSPI_INT/SDIO_CMD/Touch10/GPIO |
| 35 | RST | 默认作为芯片使能，高电平有效 Default as chip enable, high level effective |
| 36 | TX0 | UART0_TX/PWM0/UART1_RTS/I2C_SDA |
| 37 | RX0 | UART0_RX/PWM1/UART1_CTS/I2C_SCL |
| Note: When the module is equipped with PSRAM, module pins 9,10,11.29.30.31 cannot be used. When the module is equipped with external Flash, module pins 11,29,30,31 cannot be used. | ||
WiFi RF Performance Table
| 描述 Describe | 典型值 Typical values | 单位 Unit | ||
| 频谱范围 Spectrum range | 2400~2483.5 | MHz | ||
| 输出功率 Output power | ||||
| 模式 Mode | 最小值 Minimum value | 典型值 Typical values | 最大值 Maximum value | 单位 Unit |
| 11n 模式下HT20，PA输出功率为 | - | 12 | - | dBm |
| 11g 模式下，PA输出功率为 | - | 13 | - | dBm |
| 11b 模式下，PA输出功率为 | - | 18 | - | dBm |
| 接收灵敏度 Receiver sensitivity | ||||
| 模式 Mode | 最小值 Minimum value | 典型值 Typical values | 最大值 Maximum value | 单位 Unit |
| 11b,1 Mbps | - | -95 | - | dBm |
| 11b, 11 Mbps | - | -85 | - | dBm |
| 11g, 6 Mbps | - | -89 | - | dBm |
| 1lg,54 Mbps | - | -72 | - | dBm |
| 11n,HT20(MCS7) | - | -69 | - | dBm |
BLE RF Performance Table
| 描述 Describe | 典型值 Typical values | 单位 Unit | ||
| 频谱范围 Spectrum range | 2400~2483.5MHz | MHz | ||
| 输出功率 Output power | ||||
| 速率模式 Rate mode | 最小值 Minimum value | 典型值 Typical values | 最大值 Maximum value | 单位 Unit |
| 1Mbps | - | 4 | 6 | dBm |
| 接收灵敏度 Receiver sensitivity | ||||
| 速率模式 Rate mode | 最小值 Minimum value | 典型值 Typical values | 最大值 Maximum value | 单位 Unit |
| 1Mbps sensitivity @ 30.8% PER | - | -92 | - | dBm |
Power consumption meter
·The following power consumption data is based on a 3.3V power supply, an ambient temperature of 25 ° C, and measured using an internal voltage regulator.
·All measurements were completed at the antenna interface with a filter in place.
·All emission data is measured based on a 100% duty cycle in continuous emission mode.
| 模式 Mode | 最小值 Minimum value | 平均值 Average value | 最大值 Maximum value | 单位 Unit |
| 发射(Transmit)802.11b，11Mbps，POUT=+19dBm | - | 348 | - | mA |
| 发射(Transmit)802.11g，54Mbps，POUT=+15dBm | - | 190 | - | mA |
| 发射(Transmit)802.11n，MCS7，POUT=+12dBm | - | 190 | - | mA |
| 接收(Receive)802.11b | - | 96 | - | mA |
| 接收(Receive)802.11g | - | 96 | - | mA |
| 接收(Receive)802.11n | - | 96 | - | mA |
| Standby current | - | 10 | - | μA |
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