mcf5272 Freescale Semiconductor, Inc, mcf5272 Datasheet - Page 60

• Manufacturer Part Number: mcf5272
• Description: Mcf5272 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

MCF5272 Key Features
DRAM Controller Outputs
1-2
SDRAM Controller
SCR
SPR
SDRAM Control
SDRAM Timer
JTAG
SDCR
SDTR
System Control
ALPR
PMR
WRRR
WIRR
Chip Select Module
WCR
WER
CSORs
Instruction
8
SYSTEM INTEGRATION MODULE (SIM)
CS[7:0]
Figure 1-1. MCF5272 Block Diagram
Memory
Base Address
Local
Bus
8
CSBRs
MBAR
8
MCF5272 User’s Manual
IFP
OEP
Identification
RAMBAR
ROMBAR
Bus Interface
Control Signals
Decode, Select, Operand Fetch
FIFO Instruction Buffer (3 X 32)
V2 ColdFire Processor Complex
Instruction Address Generation
Address Generation, Execute
ACR0
ACR1
Instruction Cache
SRAM Controller
External
ROM Controller
DIR
32-Bit Address Bus
Controller
Instruction Fetch
32-Bit Data Bus
Local Memory
16-Kbyte
4-Kbyte
1-Kbyte
Cache
SRAM
CACR
ROM
PACNT–
PDCNT
Parallel Port
Interrupt Controller
31
4 ICRs
PADDR–
PCDDR
Instruction Unit
0
INT[6:1]
4-Entry
Store
Buffer
Local Memory
Data Bus
6
PADR–
PIWR
PCDR
PITR
PIVR
ISR
MOTOROLA
D[31:0]
Two UARTs
Purpose
Ethernet
General-
Timers
PWM
QSPI
Four
PLIC
DMA
USB