mcf54455 Freescale Semiconductor, Inc, mcf54455 Datasheet - Page 4

• Manufacturer Part Number: mcf54455
• Description: 32-bit Microprocessor With Usb On-the-go, Ethernet, Pci, Ddr2/ddr Controller And Encryption
• Manufacturer: Freescale Semiconductor, Inc

MCF5445x Family Comparison
1
The following table compares the various device derivatives available within the MCF5445x family.
4
ColdFire Version 4 Core with EMAC
(Enhanced Multiply-Accumulate Unit)
Core (System) Clock
Peripheral Bus Clock
(Core clock ÷ 2)
External Bus Clock
(Core clock ÷ 4)
Performance (Dhrystone/2.1 MIPS)
Independent Data/Instruction Cache
Static RAM (SRAM)
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)
UARTs
I
DSPI
Real Time Clock
32-bit DMA Timers
Watchdog Timer (WDT)
Periodic Interrupt Timers (PIT)
Edge Port Module (EPORT)
Interrupt Controllers (INTC)
16-channel Direct Memory Access (DMA)
General Purpose I/O Module (GPIO)
JTAG — IEEE
Package
2
C
MCF5445x Family Comparison
®
1149.1 Test Access Port
Module
MCF5445x ColdFire
Table 1. MCF5445x Family Configurations
MCF54450
—
—
—
1
3
4
4
2
up to 240 MHz
up to 120 MHz
•
•
•
•
•
•
•
•
•
•
•
•
•
•
256 MAPBGA
up to 60 MHz
up to 370
®
Microprocessor Data Sheet, Rev. 0
MCF54451
—
—
1
3
4
4
2
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
MCF54452
—
—
16 kBytes each
2
3
4
4
2
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
32 kBytes
MCF54453
—
2
3
4
4
2
up to 266 MHz
up to 133 MHz
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
up to 66 MHz
360 TEPBGA
up to 410
MCF54454
Freescale Semiconductor
—
2
3
4
4
2
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
MCF54455
2
3
4
4
2
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•