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SCF5250 Datasheet(PDF) 10 Page - Motorola, Inc

Part # SCF5250
Description  SCF5250 Integrated ColdFire Microprocessor
PDF  48 Pages
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

SCF5250 Datasheet(HTML) 10 Page - Motorola, Inc

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SCF5250 Integrated ColdFire® Microprocessor Data Sheet, Rev. 1.1
Signal Descriptions
Freescale Semiconductor
10
ISA bus read strobe
IDE-DIOR/GPIO31
(CS2)
There is 1 ISA bus read strobe and 1
ISA bus write strobe. They allow
connection of one independent ISA
bus peripherals, e.g. an IDE slave
device.
In/Out
ISA bus write strobe
IDE-DIOW/GPIO32
(CS2)
In/Out
ISA bus wait signal
IDE-IORDY/GPIO33
ISA bus wait line - available for both
busses
In/Out
Chip Selects[2:0]
CS0/CS4
CS1/QSPI_CS3/GPIO28
Enables peripherals at programmed
addresses.
CS[0] provides boot ROM selection
Out
In/Out
negated
Buffer enable 1
BUFENB1/GPIO29
Two programmable buffer enables
allow seamless steering of external
buffers to split data and address bus in
sections.
In/Out
Buffer enable 2
BUFENB2/GPIO30
In/Out
Transfer acknowledge
TA/GPIO12
Transfer Acknowledge signal
In/Out
Wake Up
WAKE_UP/GPIO21
Wake-up signal input
In
Serial Clock Line
SCL0/SDATA1_BS1/GPIO41
SCL1/TXD1/GPIO10
Clock signal for Dual I2C module
operation
In/Out
Serial Data Line
SDA0/SDATA3/GPIO42
SDA1/RXD1/GPIO44
Serial data port for second I2C module
operation
In/Out
Receive Data
SDA1/RXD1/GPIO44
RXD0/GPIO46
Signal is receive serial data input for
DUART
In
Transmit Data
SCL1/TXD1/GPIO10
TXD0/GPIO45
Signal is transmit serial data output for
DUART
Out
Request-To-Send
DDATA3/RTS0/GPIO4
DDATA1/RTS1/SDATA2_BS2/GPIO2
DUART signals a ready to receive
data query
Out
Clear-To-Send
DDATA2/CTSO/GPIO3
DDATA0/CTS1/SDATA0_SDIO1/GPIO1
Signals to DUART that data can be
transmitted to peripheral
In
Timer Output
SDATAO1/TOUT0/GPIO18
Capable of output waveform or pulse
generation
Out
IEC958 inputs
EBUIN1/GPIO36
EBUIN2/SCLK_OUT/GPIO13
EBUIN3/CMD_SDIO2/GPIO14
QSPI_CS0/EBUIN4/GPIO15
audio interfaces IEC958 inputs
In
IEC958 outputs
EBUOUT1/GPIO37
QSPI_CS1/EBUOUT2/GPIO16
audio interfaces IEC958 outputs
Out
Serial data in
SDATAI1/GPIO17
SDATAI3/GPIO8
audio interfaces serial data inputs
In
Serial data out
SDATAO1/TOUT0/GPIO18
SDATAO2/GPIO34
audio interfaces serial data outputs
In/Out
Out
Word clock
LRCK1/GPIO19
LRCK2/GPIO23
LRCK3/GPIO43/AUDIO_CLOCK
audio interfaces serial word clocks
In/Out
Bit clock
SCLK1/GPIO20
SCLK2/GPIO22
SCLK3/GPIO35
audio interfaces serial bit clocks
In/Out
Table 3. SCF5250 Signal Index (continued)
Signal Name
Mnemonic
Function
Input/
Output
Reset
State



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