DEVICE OVERVIEW
Microchip Technology IS1870/71 embedded 2.4 GHz Bluetooth version 4.2 (BLE) SoC incorporates, 2.4 GHz transceiver, Power Management Unit (PMU), Bluetooth LE stack and RF power amplifier. The user can embed the Bluetooth functionality to IoT applications.

FEATUREs
• Bluetooth smart 4.2 Bluetooth Low-Energy (BLE)
   compliant
• 256 Kbytes embedded Flash memory
• UART/SPI/I2C interface supported
• Integrated crystal oscillator, operates with 32 MHz
   external crystal
• Temperature sensor supported
• Flexible GPIO pins:
   - 31 GPIO pins (IS1870)
   - 15 GPIO pins (IS1871)
• PWM support:
   - 4-channel PWM support (IS1870)
   - 1-channel PWM support (IS1871)
• 12 bits ADC (ENOB=10/8-bit) support for battery
   and voltage detection. 16-channel (IS1870)/
   6-channel (IS1871)
• AES-CMAC hardware engine
• Beacon support
• Low-power consumption
• Peak current: Tx 13 mA, Rx 13 mA at VBAT=3.0V,
   buck power
• Compact size:
   - IS1871: 4 mm x 4 mm 32QFN package
   - IS1870: 6 mm x 6 mm 48QFN package

APPLICATIONs
• Internet of Things (IoT)
• Wearable, fitness, or healthcare
• Weight scale
• Proximity/Find Me services
• Payment/Security
• Digital Beacons
• Consumer appliances or home automation
• Industrial