Datasheet > 935313618557

935313618557

更新时间： 2024-09-27 04:25:31

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RISC Microprocessor

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935313618557 数据手册

Freescale Semiconductor

Data Sheet

Document Number: MCF5485EC

Rev. 4, 12/2007

MCF548x

MCF548x ColdFire^®

Microprocessor

TEPBGA–388

27 mm x 27 mm

Supports MCF5480, MCF5481,

MCF5482, MCF5483, MCF5484, and

MCF5485

Features list:

• ColdFire V4e Core

endpoints, interrupt, bulk, or isochronous

– 4-Kbytes of shared endpoint FIFO RAM and 1 Kbyte

of endpoint descriptor RAM

– Limited superscalar V4 ColdFire processor core

– Up to 200MHz peak internal core frequency (308 MIPS

[Dhrystone 2.1] @ 200 MHz)

– Harvard architecture

– 32-Kbyte instruction cache

– Integrated physical layer interface

– Up to four programmable serial controllers (PSCs) each

with separate 512-byte receive and transmit FIFOs for

UART, USART, modem, codec, and IrDA 1.1 interfaces

– I C peripheral interface

– 32-Kbyte data cache

– Two FlexCAN controller area network 2.0B controllers

each with 16 message buffers

– DMA Serial Peripheral Interface (DSPI)

• Optional Cryptography accelerator module

– Execution units for:

– Memory Management Unit (MMU)

– Separate, 32-entry, fully-associative instruction and

data translation lookahead buffers

– Floating point unit (FPU)

– Double-precision conforms to IEE-754 standard

– Eight floating point registers

– DES/3DES block cipher

– AES block cipher

– RC4 stream cipher

– MD5/SHA-1/SHA-256/HMAC hashing

– Random Number Generator

• Internal master bus (XLB) arbiter

– High performance split address and data transactions

– Support for various parking modes

• 32-bit double data rate (DDR) synchronous DRAM

(SDRAM) controller

• 32-Kbyte system SRAM

– Arbitration mechanism shares bandwidth between

internal bus masters

– 66–133 MHz operation

– Supports DDR and SDR DRAM

• System integration unit (SIU)

– Interrupt controller

– Built-in initialization and refresh

– Up to four chip selects enabling up to one GB of external

memory

– Watchdog timer

– Two 32-bit slice timers alarm and interrupt generation

– Up to four 32-bit general-purpose timers, compare, and

PWM capability

• Version 2.2 peripheral component interconnect (PCI) bus

– 32-bit target and initiator operation

– Support for up to five external PCI masters

– 33–66 MHz operation with PCI bus to XLB divider

ratios of 1:1, 1:2, and 1:4

– GPIO ports multiplexed with peripheral pins

• Debug and test features

– ColdFire background debug mode (BDM) port

– JTAG/ IEEE 1149.1 test access port

• PLL and clock generator

• Flexible multi-function external bus (FlexBus)

– Provides a glueless interface to boot flash/ROM,

SRAM, and peripheral devices

– 30 to 66.67 MHz input frequency range

• Operating Voltages

– Up to six chip selects

– 33 – 66 MHz operation

– 1.5V internal logic

• Communications I/O subsystem

– 2.5V DDR SDRAM bus I/O

– 3.3V PCI, FlexBus, and all other I/O

• Estimated power consumption

– Less than 1.5W (388 PBGA)

– Intelligent 16 channel DMA controller

– Up to two 10/100 Mbps fast Ethernet controllers (FECs)

each with separate 2-Kbyte receive and transmit FIFOs

– Universal serial bus (USB) version 2.0 device controller

– Support for one control and six programmable

12 3 4 5 6 7...34

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