
Introduction
MOTOROLA
Signal Description
2-3
Subcode clock
RCK/GPIO51
Audio interfaces subcode clock
In/Out
Subcode sync
SFSY/GPIO52
Audio interfaces subcode sync
In/Out
Subcode data
SUBR/GPIO53
Audio interfaces subcode data
In/Out
Clock frequency trim
XTRIM/GPO38
Clock trim control
Out
Audio clocks out
MCLK1/GPO39
MCLK2/GPO42
DAC output clocks
Out
MemoryStick/Secure
Digital interface
CMDSDIO2/GPIO34
Secure Digital command lane
MemoryStick interface 2 data i/o
In/Out
SCLKOUT/GPIO15
Clock out for both MemoryStick
interfaces and for Secure Digital
In/Out
SDATA0_SDIO1/GPIO54
SecureDigital serial data bit 0
MemoryStick interface 1 data i/o
In/Out
SDATA1_BS1/GPIO9
SecureDigital serial data bit 1
MemoryStick interface 1 strobe
In/Out
RSTO/SDATA2_BS2
SecureDigital serial data bit 2
MemoryStick interface 2 strobe
Reset output signal
In/Out
SDATA3/GPIO56
SecureDigital serial data bit 3
In/Out
ADC
EBUIN3/ADIN0/GPI38
EBUIN4/ADIN1/GPI39
RXD2/ADIN2/GPI28
CTS2/ADIN3/GPI31
Analog to Digital converter input
signals
In/Out
ADC
TOUT1/ADOUT/GPO35
Analog to digital convertor output
signal
In/Out
QSPI clock
SCL/QSPI_CLK
QSPI clock signal
In/Out
QSPI data in
SDA/QSPI_DIN
QSPI data input
In/Out
QSPI data out
QSPIDOUT/GPIO26
QSPI data out
In/Out
QSPI chip selects
QSPICS0/GPIO29
QSPICS1/GPIO24
QSPICS2/GPIO21
QSPICS3/GPIO22
QSPI chip selects
In/Out
Crystal in
CRIN
Crystal input
In
Reset In
RSTI
Processor Reset Input
In
Motorola Test Mode
TEST[3:0]
Should always be low.
In
High Impedance
HIZ
Assertion three-states all output
signal pins.
In
Debug Data
DDATA3/GPIO4
DDATA2/GPIO2
DDATA1/GPIO1
DDATA0/GPIO0
Displays captured processor data
and break-point status.
In/Out
Hi-Z
Processor Status
PST3/GPIO62
PST2/GPIO61
PST1/GPIO60
PST0/GPIO59
Indicates internal processor status.
In/Out
Hi-Z
Processor clock
PSTCLK/GPO63
Processor clock output
Out
Table 2-1 MCF5249 Signal Index (Continued)
SIGNAL NAME
MNEMONIC
FUNCTION
INPUT/
OUTPUT
RESET
STATE
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.