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DSP56858EVM User Manual, Rev. 3
1-2
Freescale Semiconductor
1.1 56858EVM Architecture
The 56858EVM facilitates the evaluation of various features present in the 56858 part. The
56858EVM can be used to develop real-time software and hardware products based on the
56858. The 56858EVM provides the features necessary for a user to write and debug software,
demonstrate the functionality of that software and interface with the customer's
application-specific device(s). The 56858EVM is flexible enough to allow a user to fully exploit
the 56858's features to optimize the performance of his product, as shown in
Figure 1-1
.
56858
RESET
MODE
Address,
Data &
Control
JTAG/EOnCE
XTAL/EXTAL
SPI
SCI0
ESSI0
GPIO
+1.8V,
+3.3V
& GND
Peripheral
Daughter
Card
Connector
RESET
LOGIC
MODE
LOGIC
CS0
(Program Memory)
128Kx16-bit SRAM
Memory
Daughter Card
Connector
JTAG
Connector
Parallel
JTAG Interface
4.00MHz
Crystal
DSub
25-Pin
CS1/CS2
(Data Memory)
128Kx16-bit SRAM
DSub
9-Pin
Debug LEDs
Stereo 16-bit
Codec
RS-232
Interface
SPI Data
FLASH 1M-bit
Power Supply
+1.8V, +3.3V & +5.0V
IRQ Interface
IRQ
Amp
Stereo Line Out
Headphone Jack
Stereo Line In
ESSI1
SCI1
USB Interface
(CS3)
HI
Host Interface
Connector
USB
Con
Figure 1-1. Block Diagram of the 56858EVM
Содержание 56858
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