描述 Description

Part numbers for the chip have fields that identify the specific part. You can use the values of these fields to determine the specific part you have received.

特性 Features

? Operating Characteristics

– Voltage range: 1.71 to 3.6 V

– Flash write voltage range: 1.71 to 3.6 V

– Temperature range (ambient): -40 to 105°C

? Performance

– Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz

? Memories and memory interfaces

– Up to 512 KB program flash memory on nonFlexMemory devices

– Up to 128 KB RAM

– Serial programming interface (EzPort)

– FlexBus external bus interface

? Clocks

– 3 to 32 MHz crystal oscillator

– 32 kHz crystal oscillator

– Multi-purpose clock generator

? System peripherals

– Multiple low-power modes to provide power optimization based on application requirements

– Memory protection unit with multi-master protection

– 16-channel DMA controller, supporting up to 63 request sources

– External watchdog monitor

– Software watchdog

– Low-leakage wakeup unit

? Security and integrity modules

– Hardware CRC module to support fast cyclic redundancy checks

– 128-bit unique identification (ID) number per chip

? Analog modules

– Two 16-bit SAR ADCs

– Programmable gain amplifier (PGA) (up to x64) integrated into each ADC

– 12-bit DAC

– Two transimpedance amplifiers

– Three analog comparators (CMP) containing a 6-bit DAC and programmable reference input

– Voltage reference

? Timers

– Programmable delay block

– Eight-channel motor control/general purpose/PWM timer

– Two 2-channel quadrature decoder/general purpose timers

– Periodic interrupt timers

– 16-bit low-power timer

– Carrier modulator transmitter

– Real-time clock

? Communication interfaces

– USB full-/low-speed On-the-Go controller with onchip transceiver

– Two Controller Area Network (CAN) modules

– Two SPI modules

– Two I2C modules

– Four UART modules

– Secure Digital host controller (SDHC)

– I2S module