MCF54455_0812 Datasheet, PDF (4/48 Pages) Freescale Semiconductor, Inc – MCF5445x ColdFire® Microprocessor Data Sheet

MCF5445x Family Comparison
1 MCF5445x Family Comparison
The following table compares the various device derivatives available within the MCF5445x family.
Table 1. MCF5445x Family Configurations
Module
MCF54450 MCF54451 MCF54452 MCF54453 MCF54454 MCF54455
ColdFire Version 4 Core with EMAC
(Enhanced Multiply-Accumulate Unit)
•
•
•
•
•
•
Core (System) Clock
up to 240 MHz
up to 266 MHz
Peripheral Bus Clock
(Core clock ÷ 2)
up to 120 MHz
up to 133 MHz
External Bus Clock
(Core clock ÷ 4)
up to 60 MHz
up to 66 MHz
Performance (Dhrystone/2.1 MIPS)
up to 370
up to 410
Independent Data/Instruction Cache
16 KBytes each
Static RAM (SRAM)
32 KBytes
PCI Controller
•
•
•
•
•
•
Cryptography Acceleration Unit (CAU)
—
•
—
•
—
•
ATA Controller
—
—
—
—
•
•
DDR SDRAM Controller
•
•
•
•
•
•
FlexBus External Interface
•
•
•
•
•
•
USB 2.0 On-the-Go
•
•
•
•
•
•
UTMI+ Low Pin Interface (ULPI)
•
•
•
•
•
•
Synchronous Serial Interface (SSI)
•
•
•
•
•
•
Fast Ethernet Controller (FEC)
1
1
2
2
2
2
UARTs
I²C
3
3
3
3
3
3
•
•
•
•
•
•
DSPI
•
•
•
•
•
•
Real Time Clock
•
•
•
•
•
•
32-bit DMA Timers
4
4
4
4
4
4
Watchdog Timer (WDT)
•
•
•
•
•
•
Periodic Interrupt Timers (PIT)
4
4
4
4
4
4
Edge Port Module (EPORT)
•
•
•
•
•
•
Interrupt Controllers (INTC)
2
2
2
2
2
2
16-channel Direct Memory Access (DMA)
•
•
•
•
•
•
General Purpose I/O Module (GPIO)
•
•
•
•
•
•
JTAG — IEEE^® 1149.1 Test Access Port
•
•
•
•
•
•
Package
256 MAPBGA
360 TEPBGA
MCF5445x ColdFire^® Microprocessor Data Sheet, Rev. 3
4
Freescale Semiconductor