56F800 Datasheet, PDF (18/56 Pages) Freescale Semiconductor, Inc – 16-bit Digital Signal Controllers

• Codec sample rate selector [S4]
• Peripheral Daughter Card Expansion Connector, to allow the user to connect his own SCI,
SSI, SPI or GPIO-compatible peripheral to the controller[J2]
• Memory Daughter Card Expansion Connector, to allow the user to connect his own
memory or memory device to the controller[J1]
• On-board power regulation from an external +12V DC-supplied power input [P1]
• On-board power regulation from an optional +5V DC-supplied power input [TB1]
• Light Emitting Diode (LED) power indicator [LED7]
• Six on-board real-time user debugging LEDs [LED1-6]
• Manual RESET push-button [S1]
• Manual interrupt push-button for IRQA [S2]
• Manual interrupt push-button for IRQB [S3]
2.1 56F827
The 56F827EVM uses a Freescale DSP56F827FG80 part, designated as U1 on the board and in
the schematics. This part will operate at a maximum speed of 80MHz. A full description of the
56F827, including functionality and user information, is provided in these documents:
• DSP56F827 Technical Data, (DSP56F827): Provides features list and specifications
including signal descriptions, DC power requirements, AC timing requirements and
available packaging.
• DSP56F826/827 16-Bit Digital Signal Processor User’s Manual, (DSP56F826_827UM):
Provides an overview description of the controller and detailed information about the
on-chip components including the memory and I/O maps, peripheral functionality, and
control/status register descriptions for each subsystem.
• DSP56800 Family Manual, (DSP56800FM): Provides a detailed description of the core
processor, including internal status and control registers and a detailed description of the
family instruction set.
Refer to these documents for detailed information about chip functionality and operation. They
can be found on this URL:
www.freescale.com
56F827EVM User Manual, Rev. 2
2-2
Freescale Semiconductor