mcf5253 Freescale Semiconductor, Inc, mcf5253 Datasheet - Page 9

• Manufacturer Part Number: mcf5253
• Description: Mcf5253 Coldfire? Microprocessor Data Sheet
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
AT attachment interface
(IDE interface)
CAN interface
USB PHY interface
USB oscillator
RTC oscillator
AD IN
AD OUT
QSPI clock
QSPI data in
Signal Name
ATA_DIOW
ATA_DIOR
ATA_IORDY
ATA_DMARQ
ATA_DMACK
ATA_INTRQ
ATA_CS0
ATA_CS1
ATA_A[2:0]
ATA_D[15:0]
CAN0_TX
CAN0_RX
CAN1_TX
CAN1_RX
USBVBUS
USBID
USBRES
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
QSPICLK/SUBR/GPIO25
RCK/QSPIDIN/QSPIDOUT/GPIO26
MCF5253 ColdFire Processor Data Sheet: Technical Data, Rev. 4
Table 3. MCF5253 Signal Index (continued)
Mnemonic
ATA write strobe signal
ATA read strobe signal
ATA DMA acknowledge
ATA chip select 0
ATA chip select 1
3-bit ATA address bus
16-bit ATA data bus
CAN 0 transmit
CAN 1 transmit
USB Vbus input
pin
USB DM signalling line
USB DP signalling line
Connections for USB oscillator
crystal (24 MHz)
QSPI clock signal
ATA I/O ready input
ATA DMA request
ATA interrupt request
CAN 0 receive
CAN 1 receive
USB ID input
USB current programming resistor
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 data input
Function
Output
Analog
Input/
In/Out
In/Out
In/Out
In/Out
In/Out
In/Out
Signal Description
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
In
In
In
In
In
In
In
In
In
In
Reset
State
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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