Model:PIC32MX174F256BT-V/MM BRAND:Microchip description:IC MCU 32BIT 256KB FLASH 28QFN pack:tape(TR),Shear zone(CT),Digi-Reel? SERIES:Automotive, AEC-Q100, PIC? XLP? 32MX status:in stock Core processor:MIPS32? M4K? Core specifications:32-位 Speed:72MHz Peripherals:Undervoltage detection/reset,DMA,HLVD,I2S,POR,PWM,WDT I/O number:21 Program storage capacity:256KB(256K x 8) Program memory type:Flash memory EEPROM capacity:- RAM size:64K x 8 Voltage - powered by:2.5V ~ 3.6V Data converter:A/D 10x10b Oscillator type:bosom Operating temperature:-40°C ~ 105°C(TA) Type of installation:Surface mount type Encapsulation/Shell:28-VQFN Exposed pad Supplier device packaging:28-QFN-S(6x6)