Datasheet

MCF5227x ColdFire
®
Microprocessor Data Sheet, Rev. 8
Freescale Semiconductor 3
Figure 1. MCF52277 Block Diagram
Version 2 ColdFire Core
LEGEND
INTC
Oscillator
PLL
DSPI
EPORT
3 UARTs
I
2
C
To uc h
4 DMA
RTC
BDM – Background debug module
DSPI – DMA serial peripheral interface
eDMA – Enhanced direct memory access
EMAC – Enchanced multiply-accumulate unit
EPORT – Edge port module
GPIO – General purpose input/output module
I
2
C – Inter-intergrated circuit
INTC – Interrupt controller
JTAG – Joint Test Action Group interface
LCD – Liquid-crystal display
PIT – Programmable interrupt timer
PLL – Phase-locked loop module
PWM – Pulse-width modulator
RTC – Real time clock
SSI – Synchronous serial interface
UART – Universal asynchronous receiver/transmitter
USB OTG – Universal Serial Bus On-the-Go controller
MCF52277
EMAC
JTAG
Crossbar Switch (XBS)
Peripheral Bridge
8K
Configurable
Cache
Timers
BDM
LCD
SDRAM
Controller
eDMA
FlexBus
2 PITs
SSI FlexCAN GPIO
Hardware
Divide
Screen
Controller
PWM
Serial Boot
Facility
USB OTG
128K
SRAM