Block Diagram - Freescale Semiconductor MCF52277 Reference Manual

1.2

Block Diagram

Figure 1-1 shows a top-level block diagram of the MCF52277 superset device.
8K
Configurable
Cache
128 K
SRAM
Touch
Screen
SSI
EPORT
2 PITs
BDM – Background debug module
DSPI – DMA serial peripheral interface
eDMA – Enhanced direct memory access
EMAC – Enchance multiply-accumulate unit
EPORT – Edge port module
GPIO – General Purpose Input/Output Module
2
I C – Inter-Intergrated Circuit
INTC – Interrupt controller
JTAG – Joint Test Action Group interface
Freescale Semiconductor
Version 2 ColdFire Core
Hardware
EMAC
Divide
Instruction Bus Data Bus
Crossbar Switch (XBS)
Peripheral Bridge
DSPI
FlexCAN
2
I C
4 DMA
3 UARTs
Timers
Figure 1-1. MCF52277 Block Diagram
MCF52277 Reference Manual, Rev. 1
MCF52277
BDM
USB OTG
RTC
GPIO
INTC
PWM
LEGEND
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
JTAG Oscillator
PLL
Serial Boot
Facility
LCD
eDMA
Controller
SDRAM
FlexBus
Controller
Overview
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