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AI7931LD
Genio IoT RTOS SDKDistributor of Mouser ElectronicsARM Cortex-M33 MCU + Wi-Fi 802.11 a/b/g/n/ac/ax + BLE 5.0
Inventory: Unavailable -
US$
13.00
Unit-price for online samples purchase only.
Please contact sales@acsip.com.tw for more information
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Introduction
AI7931LD is a highly integrated IoT module that features an ARM® Cortex-M33 application processor, a low power 1T1R IEEE 802.11 a/b/g/n/ax dual-band Wi-Fi subsystem, a Bluetooth Low Energy v5.0 subsystem, a audio DSP for VAD feature supported AMIC, DMIC and a Power Management Unit (PMU).
The Wi-Fi and Bluetooth LE subsystem offer feature-rich wireless connectivity at high standards, and deliver reliable, cost-effective throughput from an extended distance.
The AI7931LD is designed to support standard based features in the areas of security, quality of service and international regulations, giving end users the greatest performance any time and in any circumstance.
The AI7931LD is based on ARM® Cortex-M33 with floating point microcontroller (MCU) including SRAM/ROM memory. The module also supports rich peripheral interfaces, including SDIO, SPI master only, I2C, I2S_IN, IR input, UART, AUXADC, PWM, and GPIOs.
Feature diagram
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Rich Features
| ♦ Main Platform-CM33 | ♦ Connectivity Standards Alliance-CSA |
| • FreeRTOS V10 | • Matter protocol for IoT industry |
| • Power Mode: Deep sleep, Suspend, Active | |
| • FOTA: Firmware Over-The-Air | |
| • FatFS-USB/SD card/LittleFS-XIP Flash | |
| • USB Audio/Video Classic | |
| • Security: Security Boot, Trusted Firmware-M, HW crypto engine & TRNG, Anti-rollback, Secure test & debug |
| ♦ Wireless Connectivity-WiFi 6/BT 5.2 | |
| • 802.11 b/g/n/ac/ax station mode (STA) | |
| • 802.11 b/g/n/ac SoftAP | |
| • Personal Security: Open, WEP-Open, WPA, WPA2-STA/SoftAP and WPA3 - STA only | |
| • STA-OFDMA DL/UL | |
| • STA-11ax power saving of TWT and deep sleep mode | |
| • STA-WoW | |
| • Networking-IP, SNTP, SSL/TLS, HTTP(S), MQTT(S) | |
| • BLE Mesh | |
| • Wi-Fi/BT Coexistence |
The IoT module of AI793X with WiFi6 / BLE5 that can support Matter 1.0 now.
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| Developing Resource | Application Reference | ||
| ⇒ | ☑ | WiFi Matter | |
| ⇒ | ☑ | Audio data playback | |
| ⇒ | Reference design of schematic | ||
| ⇒ | Product footprint | ||
| ⇒ | |||
| ⇒ | Test report of throughput | ||
| ⇒ | Product SDK with user guide | ||
Related Products
 |
 |
AI7933CLDARM Cortex-M33 MCU + Wi-Fi 802.11 a/b/g/n/ac/ax + BLE 5.0 + HiFi4 DSP |
|
 |
EK-AI7931LD KITWiFi6 2.4/5G + BT 5 |
 |
EK-AI7933CLD KITWiFi6 2.4/5G + BT 5 + HiFi4 DSP |
Teachnical Engine with Acsip Design Core
 |
Mediatek Genio 130 |
|
|
| Arm Cortex-M33 with FPU @ 300MHz | |||
| Embedded 1MB SRAM + 8MB USH SRAM for applications | |||
| Wi-Fi 1x1 5GHz and 2.4GHz | |||
| Bluetooth 5.2 | |||
| USB2.0, SDIO, SPI master, SPI slave, I2C I2S, IR input, UART, AUXADC, PWm | |||
For more information, or for sales inquiries, please contact Acsip Technology Corp.
General Description
AcSiP Technology Corp. introduces a low-cost and low-power consumption IoT module. This stand-alone module is designed for internet of things (IoT) devices with smart connection and cloud application/services.
AI7931LD is a highly integrated IoT module that features an ARM® Cortex-M33 application processor, a low power 1x1 802.11a/b/g/n/ac/ax dual-band Wi-Fi subsystem, a Bluetooth subsystem and a Power Management Unit (PMU).
The Wi-Fi subsystem and a Bluetooth subsystem offer feature-rich wireless connectivity at high standards, and deliver reliable, cost-effective throughput from an extended distance.
The AI7931LD is designed to support standard based features in the areas of security, quality of service and international regulations, giving end users the greatest performance any time and in any circumstance.
The AI7931LD is based on ARM® Cortex-M33 with floating point microcontroller (MCU) including SRAM/ROM memory. The module also supports rich peripheral interfaces, including SDIO, SPI master, I2C, I2S, IR input, UART, AUXADC, PWM, and GPIOs.
Block Diagram
| Part Number | Core | Flash / Memory | Wi-Fi / BLE | HW Crypto | Peripherals |
| AI7931LD | ARM Cortex-M33 | 16MB | 1T1R 802.11a/b/g/n/ac/ax | AES, DES/3DES, | GPIO, SDIO, SPI, I2C |
| 300 Mhz | SRAM 1MB | BT 5.0 | SHA, ECC, TRNG | UART, ADC, I2S, IR, PWM | |
| pSRAM 4MB |
Certification
| FCC ID | 2ADWC-AI7931CLD |
| CE | EN300328 / EN301893 / EN300440 / EN301489-1-17 / EN62311 / EN62368-1 |
Option Voltage Range
| Symbol | Parameter | Min. | Typ. | Max. | Unit | input / Output |
| BASE_3V3 | 3.3V Supply Voltage | 2.97 | 3.3 | 3.63 | V | I |
| VCCIO_L | Internal Flash Supply | 2.97 | 3.3 | 3.63 | V | I |
| Voltage & SDIO Domain |
| IC_VCCIO | GPIO Domain | 1.62 | 1.8 | 1.98 | V | I |
| 2.97 | 3.3 | 3.63 |
| PHYLDO_OUT | 1.8V Output | 1.62 | 1.8 | 1.98 | V | I |
| MIC_MICBIAS0 | MICBIAS Output | 1.8 | 1.85 | 2.2 | V | I |
RF Power Consumption
Wi-Fi
| Description | Current (Average) | |
| AI7931LD | Unit | |
| 2.4GHz-Band Receiver | 38 | mA |
| 2.4GHz-Band Transmit 802.11b 11M@21dBm | 313 | mA |
| 2.4GHz-Band Transmit 802.11g 54M@17dBm | 180 | mA |
| 2.4GHz-Band Transmit 802.11n MCS7@17dBm | 178 | mA |
| 2.4GHz-Band Transmit 802.11ax MCS8@16dBm | 168 | mA |
| 5GHz-Band Receiver | 44 | mA |
| 5GHz-Band Transmit 802.11a 54M@17dBm | 292 | mA |
| 5GHz-Band Transmit 802.11n MCS7@17dBm | 296 | mA |
| 5GHz-Band Transmit 802.11ax MCS8@16dBm | 274 | mA |
Bluetooth
| Description | Current (Average) | |
| AI7931LD | Unit | |
| Bluetooth Receiver | 24 | mA |
| Bluetooth Tx Power LE Mode-1Mbps@9dBm | 60 | mA |
| Bluetooth Tx Power LE Mode-2Mbps@9dBm | 48 | mA |
| Bluetooth Tx Power LE Mode-500kbps@9dBm | 65 | mA |
| Bluetooth Tx Power LE Mode-125kbps@9dBm | 68 | mA |
| BLE Advertising | 15 | mA |
| 120ms / 120ms (Min./ Max. Interval) | ||
| BLE Full Scan | 24 | mA |
| Interval : 200ms | ||
| BLE Connection | 15 | mA |
| Interval : 7.5ms | ||
Mechanical Dimensions
For further information of those items listed behind within datasheet
Please check with Datasheet for downloading or mail to sales@acsip.com.tw for full technical support.
♦ RF Characteristics
♦ Pin definition
♦ Power Mode
♦ Recommended Reflow Profile
♦ Module Preparation
♦ Package Information
Related Resource
Related Products
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|
AI7933CLDARM Cortex-M33 MCU + Wi-Fi 802.11 a/b/g/n/ac/ax + BLE 5.0 + HiFi4 DSP |
|
|
EK-AI7931LD KITWiFi6 2.4/5G + BT 5 |
|
EK-AI7933CLD KITWiFi6 2.4/5G + BT 5 + HiFi4 DSP |
Teachnical Engine with Acsip Design Core
|
Mediatek Genio 130 |
|
|
| Arm Cortex-M33 with FPU @ 300MHz | |||
| Embedded 1MB SRAM + 8MB USH SRAM for applications | |||
| Wi-Fi 1x1 5GHz and 2.4GHz | |||
| Bluetooth 5.2 | |||
| USB2.0, SDIO, SPI master, SPI slave, I2C I2S, IR input, UART, AUXADC, PWm | |||
For more information, or for sales inquiries, please contact Acsip Technology Corp.
General Description
The EK-AI7931LD board provides an affordable way for user to try out WiFi Node in IoT applications or new concepts evaluation of Wi-Fi6/BT5 RF feature.
The development board uses AI7933CLD as a standalone development platform of RTOS to implement smart building, home surveillance, industry 4.0 and so on IoT projects.
It is based on AI7931LD module, Mediatek Filogic IoT solution, embedded ARM Cortex-M33 with FPU in package.
The HDK enable rich peripherals, cutting edge connectivity and security features, user can develop the application of Matter to access local devices CSA approved through Wi-Fi network and real-time control from controller’s panel of boarder router or mobile App to enjoy smart, security technical service.
Top view of EK-AI7931LD
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How to Start
User could follow up above steps to know more about AI7931LD development resource through EK-AI7931LD with SDK to test all examples within SW package or implement your application and prove its functions by SDK building, image downloaded to HDK for behavers, scenario verify for sure.
Read manual & get HDK for essential preparation:
- EK-AI7931LD_User Guide
- EK-AI7931LD
Power on & getting Log of default image downloaded into AI7931LD
- Driver package install and drivers info check
- Configuring RS232 terminal tool for log message showed on tool since power on
- Power source choose for EK-AI7931LD board by Con8 (Micro USB) or J1
Build Example & Developing Application - Developing your App by HDK & SDK
- SDK download and build environment setup
- Examples evaluate and image download
- User could use common terminal software to control this module by default firmware with commands set which referred to product relevant Commands Set Reference document.
Related Resource
► AI7931LD
Related Products
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AI7933CLDARM Cortex-M33 MCU + Wi-Fi 802.11 a/b/g/n/ac/ax + BLE 5.0 + HiFi4 DSP |
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EK-AI7931LD KITWiFi6 2.4/5G + BT 5 |
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EK-AI7933CLD KITWiFi6 2.4/5G + BT 5 + HiFi4 DSP |
Mediatek has been Co-developing with Acsip
For more information, or for sales inquiries, please contact Acsip Technology Corp.
| Item | Description | Download Link |
|---|---|---|
| Genio IoT RTOS SDK | AcSip_MT793x_non-NDA_SDK_V3.1.0_230519.tar.gz | LoginContact Us |
| Product Brief | AI7931LD_Brief_Ver.05.pdf | Free |
| Product Brief (CN) | AI7931LD_Brief(CN)_Ver.04.pdf | Free |
| Product Spec. (Datasheet) | AI7931LD_SPEC_Ver.H.pdf | LoginContact Us |
| EVK User Guide | EK-AI7931LD_User Guide Ver.F.pdf | Free |
| Application Note | AI7931LD_Application Note_Ver.C.pdf | LoginContact Us |
| Item | Description | Download Link |
|---|---|---|
| AI7931LD_CE_Certificate | AI7931LD_CE_Certificate.7z | LoginContact Us |
| AI7931LD_FCC_Grant | AI7931LD_FCC_Grant.7z | LoginContact Us |