MCF5251(2007) View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
Manufacturer
MCF5251 Datasheet PDF : 32 Pages
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Signal Description
Table 3. MCF5251 Signal Index (continued)
Signal Name
Mnemonic
Function
Input/
Output
Serial data out
SDATAO1/TOUT0/GPIO18
SDATAO2/GPIO34
Audio interfaces to serial data
outputs
In/Out
Out
Word clock
LRCK1/GPIO19
LRCK2/GPIO23
LRCK3/AUDIOCLOCK/GPIO43
Audio interfaces to serial word clocks In/Out
Bit clock
SCLK1/GPIO20
SCLK2/GPIO22
SCLK3/GPIO35
Audio interfaces to serial bit clocks In/Out
Serial input
EF/RXD2/GPIO6
Error flag serial in
In/Out
Serial input
CFLG/GPIO5
C-flag serial in
In/Out
Subcode clock
RCK/QSPIDIN/QSPIDOUT/
GPIO26
Audio interfaces to subcode clock
In/Out
Subcode sync
QSPIDOUT/SFSY/GPIO27
Audio interfaces to subcode sync
In/Out
Subcode data
QSPICLK/SUBR/GPIO25
Audio interfaces to subcode data
In/Out
Clock frequency trim XTRIM/TXD2/GPIO0
Clock trim control
Out
Audio clocks out
MCLK1/GPIO11
DAC output clocks
Out
QSPICS2/MCLK2/GPIO24
Audio clock in
LRCK3/AUDIOCLOCK/GPIO43
Optional audio clock input
MemoryStick/
EBUIN3/CMD_SDIO2/GPIO14
SecureDigital interface
Secure Digital command lane—
MemoryStick interface 2 data I/O
In/Out
EBUIN2/SCLKOUT/GPIO13
Clock out for both MemoryStick
interfaces and for Secure Digital
In/Out
DDATA0/CTS1/SDATA0_SDIO1/GPIO1 SecureDigital serial data bit 0—
MemoryStick interface 1 data I/O
In/Out
SCL0/SDATA1_BS1/GPIO41
SecureDigital serial data bit 1—
MemoryStick interface 1 strobe
In/Out
DDATA1/RTS1/SDATA2_BS2/GPIO2
SecureDigital serial data bit 2—
MemoryStick interface 2 strobe
Reset output signal
In/Out
SDA0/SDATA3/GPIO42
SecureDigital serial data bit 3
In/Out
Reset
State
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
MCF5253 ColdFire Processor Data Sheet: Technical Data, Rev. 2.2
8
Freescale Semiconductor
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