PRELIMINARY
September 2005
CP3SP33 Connectivity Processor with Cache, DSP, and
Bluetooth®, USB, and Dual CAN Interfaces
1.0 General Description
The CP3SP33 connectivity processor combines high per- In addition to providing the features needed for the next gen-
formance with the massive integration needed for embed- eration of embedded Bluetooth products, the CP3SP33 is
ded Bluetooth applications. A powerful RISC core with 4K- backed up by the software resources that designers need
byte instruction cache and a Teak® DSP coprocessor pro- for rapid time-to-market, including an operating system,
vides high computing bandwidth, DMA-driven hardware Bluetooth protocol stack implementation, peripheral drivers,
communications peripherals provide high I/O bandwidth, reference designs, and an integrated development environ-
and an external bus provides system expandability.
ment. Combined with an external program memory and a
Bluetooth radio transceiver such as National’s LMX5252,
the CP3SP33 provides a complete Bluetooth system solu-
tion.
On-chip communications peripherals include: Bluetooth
Lower Link Controller, Universal Serial Bus (2.0) OTG node
and host controller, dual CAN, dual Microwire/Plus/SPI,
dual ACCESS.bus, quad UART, 10-bit A/D converter, and National Semiconductor offers a complete and industry-
telematics/audio codec. Additional on-chip peripherals in- proven application development environment for CP3SP33
clude DMA controller, dual CVSD/PCM conversion module, applications, including the IAR Embedded Workbench,
I2S and AAI digital audio bus interfaces, Timing and Watch- iSYSTEM winIDEA and iC3000 Active Emulator, Bluetooth
dog Unit, dual Versatile Timer Unit, dual Multi-Function Tim- Development Board, Bluetooth protocol stack, and applica-
er, and Multi-Input Wake-Up (MIWU) unit.
tion examples.
Block Diagram
Bluetooth is a registered trademark of Bluetooth SIG, Inc. and is used under license by National Semiconductor. Teak is a registered trademark of ParthusCeva, Inc.
TRI-STATE is a registered trademark of National Semiconductor Corporation.
©2005 National Semiconductor Corporation
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