MCF51QM128中文资料飞思卡尔数据手册PDF规格书

特性 Features

• Operating characteristics

– Voltage range: 1.71 V to 3.6 V

– Flash write voltage range: 1.71 V to 3.6 V

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

• Core

– Up to 50 MHz V1 ColdFire CPU

– Dhrystone 2.1 performance: 1.10 DMIPS per MHz when executing from internal RAM, 0.99 DMIPS per MHz when executing from flash memory

• System

– DMA controller with four programmable channels

– Integrated ColdFire DEBUG_Rev_B+ interface with single-wire BDM connection

• Power management

– 10 low power modes to provide power optimization based on application requirements

– Low-leakage wakeup unit (LLWU)

– Voltage regulator (VREG)

• Clocks

– Crystal oscillators (two, each with range options): 1 kHz to 32 kHz (low), 1 MHz to 8 MHz (medium), 8 MHz to 32 MHz (high)

– Multipurpose clock generator (MCG)

• Memories and memory interfaces

– Flash memory, FlexNVM, FlexRAM, and RAM

– Serial programming interface (EzPort)

– Mini-FlexBus external bus interface

• Security and integrity

– Hardware CRC module to support fast cyclic redundancy checks

– Hardware random number generator (RNGB)

– Hardware cryptographic acceleration unit (CAU)

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

• Analog

– 16-bit SAR ADC

– 12-bit DAC

– Analog comparator (CMP) containing a 6-bit DAC and programmable reference input

– Voltage reference (VREF)

• Timers

– Programmable delay block (PDB)

– Motor control/general purpose/PWM timers (FTM)

– 16-bit low-power timers (LPTMRs)

– 16-bit modulo timer (MTIM)

– Carrier modulator transmitter (CMT)

• Communication interfaces

– UARTs with Smart Card support and FIFO

– SPI modules, one with FIFO

– Inter-Integrated Circuit (I2C) modules

• Human-machine interface

– Up to 48 EGPIO pins

– Up to 16 rapid general purpose I/O (RGPIO) pins

– Low-power hardware touch sensor interface (TSI)

– Interrupt request pin (IRQ)