推荐下Qualcomm CSR μEnergy CSR1010
Feature：
■ Bluetooth® v4.1 specification compliant
■ Bluetooth Smart
■ 128KB memory: 64KB RAM and 64KB ROM
■ Support for Bluetooth v4.1 specification host stack including ATT, GATT, SMP, L2CAP, GAP
■ RSSI monitoring for proximity applications
■ <900nA current consumption in dormant mode
■ 15,000 hours of continuous lifetime reliability tested
■ Qualified up to 105°C
■ 32kHz and 16MHz crystal or system clock
■ Switch-mode power supply
■ Programmable general purpose PIO controller
■ 10-bit ADC
■ 12 digital PIOs
■ 3 analogue AIOs
■ UART
■ I²C / SPI for EEPROM / flash memory ICs and peripherals
■ Debug SPI
■ 4 PWM modules
■ Wake-up interrupt and watchdog timer
■ QFN 32-lead, 5 x 5 x 0.6mm, 0.5mm pitch
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