AI7697HD is a highly integrated SIP module which features an application processor, a low power 1x1 11n Dual-band Wi-Fi subsystem, a Bluetooth subsystem, and a Power Management Unit. The application processor subsystem contains an ARM Cortex-M4F MCU, which has many peripherals, including UART, I2C, SPI, I2S, PWM, IrDA, and auxiliary ADC. AI7697HD also includes embedded SRAM/ROM and an external 4MB serial flash.
Key Feature
- Small footprint:18 x 18 x 1.7 mm
 - ARM Cortex M4 MCU with FPU with up to 192MHz clock speed
 - 352KB SRAM / 64KB boot / 4MB Flash
 - IEEE 802.11 a/b/g/n compliant
 - Bluetooth 4.2 Low Energy (LE)
 - Hardware crypto engines including AES, DES/3DES, SHA2 for network security
 - Security support for WFA WPA/WPA2 personal, WPS2.0, WAPI
 - Two UART interfaces with hardware flow control and one UART for debug, all multiplexed with GPIO
 - Two I2C master interface multiplexed with GPIO
 - One I2S interface multiplexed with GPIO
 - Security support for WFA WPA/WPA2 personal, WPS2.0, WAPI
 - Integrated LNA, PA, and T/R switch
 - Operation Temperature: Operating : -40℃ ~ +85℃
 - On module MHF4 series connector: 20449-001E
 
Feature
- Main Chip: MT7697DN
 - ARM Cortex M4 MCU with FPU with up to 192MHz clock speed
 - Embedded 352KB SRAM and 64KB boot ROM
 - 4MB external serial flash
 - Supports 2.4G/5G Wi-Fi IEEE802.11a/b/g/n
 - Hardware crypto engines including:AES, DES/3DES, SHA2 for network security
 - Internal switch and control for RX diversity
 - Bluetooth 4.2 Low Energy (LE)
 - Small Size 18 X 18 X 1.7 mm
 - Versatile interface:
- 28 GPIO/PWM multiplexed with other interfaces
 - Two UART interfaces with hardware flow control and one UART for debug, all multiplexed with GPIO
 - One SPI master/Slave interface multiplexed with GPIO
 - One I2S interface multiplexed with GPIO
 - Two I2C master interface multiplexed with GPIO
 - 4 channel 12-bit ADC multiplexed with GPIO
 - IrDA