Product Descriptions
Ai-M61-32SU is a Wi Fi 6+BLE5.3 module equipped with BL618 chip as the core processor, supporting Wi Fi 802.11b/g/n/ax protocol and BLE protocol, and supporting Thread protocol. The BL618 system includes a low-power 32-bit RISC-VCPU with floating-point unit, DSP unit, cache, and memory, with a maximum clock frequency of 320MHz.
The Ai-M61-32SU module has rich peripheral interfaces, including Audio Codec、USB2.0、SDU、SD/MMC(SDH)、SPI、UART、I2C、I2S、PWM、GPDAC、GPADC、ACOMP And GPIO, etc.
The Ai-M61-32SU module Sec Eng module supports AES/SHA/PKA/TRNG and other functions, as well as image encryption and signature activation, to meet various security application requirements in the Internet of Things field.
Product Specifications
| 模组型号 Module model | Ai-M61-32SU |
| 模组封装 Module packaging | SMD-41 |
| 尺寸(mm) Size(mm) | 19.2*18.0*3.1(±0.2)MM |
| 天线形式 Antenna form | IPEX座子 IPEX transposon |
| 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2.97V~3.6V，供电电流≥500mA Supply voltage 2.97V~3.6V,supply current≥500mA |
| 支持接口 Support interfaces | Supports Camera、MJPEG、Dispaly、Audio Codec、USB2.0、SDU、以太网(EMAC)、SD/MMC(SDH)、SPI、UART、I2C、I2S、PWM、GPDAC、GPADC、ACOMP and GPI0, etc |
| IO口数量 Number of IO ports | 26个 Default 26 |
| 串口速率 Series Rate | 默认115200bps Default 115200bps |
| 安全性 Safety | WPS/WEP/WPA/WPA2/WPA3 |
| Flash | 默认8MByte，支持扩展 Default 8MByte, supports extension |
The Ai-M61-32SU module has a total of 41 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 | GND | GND |
| 2 | VCC | 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 | EN | 默认作为芯片使能，高电平有效 Default as chip enable, high level effective |
| 4 | IO0 | GPIO0/SPI_SS/I2S_BCLK/I2C_SCL/PWM0/ADC_CH9 |
| 5 | IO1 | GPIO1/SPI_SCLK/I2S_FS/I2C_SDA/PWM0/ADC_CH8 |
| 6 | IO16/NC | 默认可用，该IO 口与模组内部 32.768KHz 晶振输入 PIN 脚共用。如果定制内部贴片 32.768KHz 晶振的模组，该 IO 则为 NC 状态。 By default available, this IO port is shared with the 32.768KHz crystal oscillator input PIN pin inside the module. If a module with an internal chip 32.768KHz crystal oscillator is customized, the IO will be in NC state. GPIO16/SPI_SS/I2S_BCLK/I2C_SCL/XTAL_32K_IN/PWM0 |
| 7 | IO17/NC | 默认可用，该 IO 口与模组内部 32.768KHz 晶振输出 PIN 脚共用。如果定制内部贴片 32.768KHz 晶振的模组，该 IO 则为 NC 状态。 By default available, this IO port is shared with the 32.768KHz crystal oscillator input PIN pin inside the module. If a module with an internal chip 32.768KHz crystal oscillator is customized, the IO will be in NC state. GPIO17/SPI_SCLK/I2S_FS/I2C_SDA/XTAL_32K_OUT/PWM0 |
| 8 | IO12 | GPIO12/SPI_SS/SDH_CLK/SF3_DO/I2S_BCLK/I2C_SCL/PWM0/ADC_CH6 |
| 9 | IO14 | GPIO14/SPI_MOSI/SPI_MISO/SDH_DAT3/SF3_D1/I2S_DI/I2S_RCLK_O/I2C_SCL/PWM0/ADC_CH4 |
| 10 | IO15 | GPIO15/SPI_MOSI/SDH_DAT2/SF3_CS/I2S_DO/I2S_RCLK_O/I2C_SDA/PWM0 |
| 11 | IO18 | GPIO18/SPI_MISO/I2S_DI/I2S_RCLK_O/I2C_SCL/PWM0 |
| 12 | IO19 | GPIO19/SPI_MOSI/I2S_DO/I2S_RCLK_O/I2C_SDA/PWM0/ADC_CH1 |
| 13 | IO10 | GPIO10/SPI_MISO/SDH_DATI/SF2_D3/I2S_DI/I2S_RCLK_O/I2C_SCL/PWM0/ADC_CH7 |
| 14 | IO13 | GPIO13/SPI_SCLK/SDH_CMD/SF3_D2/I2S_FS/I2C_SDA/PWMO/ADC_CH5 |
| 15 | IO11 | GPIO11/SPI_MOSI/SDH_DATO/SF3_CLK/I2S_DO/I2S_RCLK_O/I2C_SDA/PWM0 |
| 16 | IO3/NC | 默认 NC，不可使用。(Default NC, not available for use.) GPIO3/SPI_MOSI/I2S_DO/I2S_RCLK_O/I2C_SDA/PWM0/ADC_CH3 |
| 17 | IO20 | GPIO20/SPI_SS/I2S_BCLK/I2C_SCL/PWMO/ADC_CH0 |
| 18-23 | IO4-IO9 | 默认 NC,不可使用。该 IO 口与模组 Flash 管脚共用,外接 FLASH状态下，不可使用 Default NC, not available for use. This IO port is shared with the module's Flash pin and cannot be used in the external FLASH state |
| 24 | USB_DP | USB_DP |
| 25 | USB_DM | USB_DM |
| 26 | IO23 | GPIO23/SPI_MOSI/I2S_DO/I2S_RCLK_O/I2C_SDA/PWM0 |
| 27 | IO2/NC | 默认 NC,不可使用。(Default NC, not available for use.) GPIO2/SPI_MISO/I2S_DI/I2S_RCLK_O/I2C_SCL/PWM0/ADC_CH2 |
| 28 | IO24 | GPIO24/SPI_SS/I2S_BCLK/I2C_SCL/PWM0 |
| 29 | IO28 | GPIO28/SPI_SS/I2S_BCLK/I2C_SCL/PWM0/ADC_CH11 |
| 30 | IO26 | GPIO26/SPI_MISO/I2S_DI/I2S_RCLK_O/I2C_SCL/PWM0 |
| 31 | IO25 | GPIO25/SPI_SCLK/I2S_FS/I2C_SDA/PWM0 |
| 32 | IO27 | GPIO27/SPI_MOSI/I2S_DO/I2S_RCLK_O/I2C_SDA/PWM0/ADC_CH10 |
| 33 | IO29 | GPIO29/SPI_SCLK/I2S_FS/I2C_SDA/PWM0 |
| 34 | IO30 | GPIO30/SPI_MISO/I2S_DI/I2S_RCLK_O/I2C_SCL/PWM0 |
| 35 | IO31 | GPIO31/SPI_MOSI/I2S_DO/I2S_RCLK_O/I2C_SDA/PWM0 |
| 36 | RXD | RXD/GPIO22/SPI_MOSI/SPI_MISO/I2S_DI/I2S_RCLK_O/I2C_SCL/PWM0 |
| 37 | TXD | TXD/GPIO21/SPI_SCLK/I2S_FS/I2C_SDA/PWM0 |
| 38 | IO32 | GPIO32/SPI_SS/I2S_BCLK/I2C_SCL/PWM0 |
| 39 | IO33 | GPIO33/SPI_SCLK/I2S_FS/I2C_SDA/PWM0 |
| 40 | IO34/NC | 默认 NC，不可使用。(Default NC, not available for use.) GPIO34/SPI_MISO/I2S_DI/I2S_RCLK_O/I2C_SCL/PWM0 |
| 41 | VDD11 | 超低功耗时使用外部电源 1.1V输入 Use external power supply 1.1V input for ultra-low power consumption |
| Note: 1. As a Bootstrap, when GPIO2 is powered on and reaches a high level, the module enters burning mode; When the power on moment is low, the module starts normally. | ||
Wi Fi 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 |
| 11ax 模式下HE40，PA输出功率为 | - | 16 | - | dBm |
| 11ax 模式下HE20，PA输出功率为 | - | 17 | - | dBm |
| 11n 模式下HT40，PA输出功率为 | - | 19 | - | dBm |
| 11n 模式下HT20，PA输出功率为 | - | 19 | - | dBm |
| 11g 模式下，PA输出功率为 | - | 19 | - | dBm |
| 11b 模式下，PA输出功率为 | - | 22 | - | 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 | - | -98 | - | dBm |
| 11b, 11 Mbps | - | -90 | - | dBm |
| 11g, 6 Mbps | - | -93 | - | dBm |
| 1lg,54 Mbps | - | -76 | - | dBm |
| 11n,HT20(MCS7) | - | -73 | - | dBm |
| 11ax,HE20(MCS9) | - | -70 | - | dBm |
| 11ax,HE40(MCS9) | - | -67 | - | 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 | - | 10 | 15 | dBm |
| 2Mbps | - | 10 | 15 | 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 | - | -99 | - | dBm |
| 2Mbps sensitivity @ 30.8% PER | - | -97 | - | dBm |
Product Power consumption
The following power consumption data is based on a 3.3V power supply and measured at an ambient temperature of 25 ° C.
- The POUT power of all transmission modes is measured at the antenna interface.
- All emission data is measured based on a 100 PERCENT 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)802.1lb，11Mbps，POUT=+22dBm | - | 374 | - | mA |
| 发射(Transmit)802.11g，54Mbps，POUT=+19dBm | - | 331 | - | mA |
| 发射(Transmit)802.11n，MCS7，POUT=+19dBm | - | 328 | - | mA |
| 发射(Transmit)802.11ax，MCS7，POUT=+17dBm | - | 293 | - | mA |
| 接收(Receive)802.11b | - | 64 | - | mA |
| 接收(Receive)802.11g | - | 64 | - | mA |
| 接收(Receive)802.11n | - | 64 | - | mA |
| 接收(Receive)802.11ax | - | 64 | - | mA |
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