MCF5253 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MCF5253

ColdFire® Microprocessor Data Sheet

Freescale Semiconductor 

Table 3. MCF5253 Signal Index (continued)

Signal Name

Mnemonic

Function

AT attachment interface ATA_DIOW

(IDE interface)

ATA_DIOR

ATA_IORDY

ATA_DMARQ

ATA_DMACK

ATA_INTRQ

ATA_CS0

ATA_CS1

ATA_A[2:0]

ATA_D[15:0]

CAN interface

CAN0_TX

CAN0_RX

CAN1_TX

CAN1_RX

USB PHY interface

USBVBUS

USBID

USBRES

USB oscillator

RTC oscillator

AD IN

AD OUT

USBDN

USBDP

USB_CRIN

USB_CROUT

RTC_CRIN

RTCCROUT

ADIN0/GPI52

ADIN1/GPI53

ADIN2/GPI54

ADIN3/GPI55

ADIN4/GPI56

ADIN5/GPI57

ADREF

ADOUT/SCLK4/GPIO58

QSPI clock

QSPI data in

QSPICLK/SUBR/GPIO25

RCK/QSPIDIN/QSPIDOUT/GPIO26

ATA write strobe signal

ATA read strobe signal

ATA I/O ready input

ATA DMA request

ATA DMA acknowledge

ATA interrupt request

ATA chip select 0

ATA chip select 1

3-bit ATA address bus

16-bit ATA data bus

CAN 0 transmit

CAN 0 receive

CAN 1 transmit

CAN 1 receive

USB Vbus input

USB ID input

USB current programming resistor

pin

USB DM signalling line

USB DP signalling line

Connections for USB oscillator

crystal (24 MHz)

Connections for real-time clock

crystal (32.768 kHz)

Analog-to-Digital Converter input

signals

Analog-to-Digital Converter output

signal—connects to ADREF via

integrator network.

QSPI clock signal

QSPI data input

Signal Description

Input/

Output

Out

Out

In

In

Out

In

Out

Out

Out

In/Out

Out

In

Out

In

In

In

Analog

Reset

State

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

–

In/Out

–

In/Out

–

In

–

Out

In

–

Out

In

–

In/Out

–

In/Out

–

In/Out

–

MCF5253 ColdFire Processor Data Sheet: Technical Data, Rev. 2

Freescale Semiconductor

9

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