Features: Fully static RISC processor core, capable of operating from 0 to 24 MHz with zero wait/hold states
Minimum 41.7 ns instruction cycle time with a 24-MHz internal clock frequency, based on a 12-MHz external input
30 independently vectored peripheral interrupts
On-Chip Memory
256K bytes reprogrammable Flash program memory
8K bytes Flash data memory
10K bytes of static RAM data memory
Addresses up to 8 Mbytes of external memory Broad Range of Hardware Communications Peripherals
Full CAN interface with 15 message buffers conforming to CAN specification 2.0B active
ACCESS.bus serial bus (compatible with Philips I2C bus)
8/16-bit SPI, Microwire/Plus serial interface
Universal Asynchronous Receiver/Transmitter (UART)
Advanced Audio Interface (AAI) to connect to external 8/ 13-bit PCM Codecs as well as to ISDN-Controllers through the IOM-2 interface (slave only)
CVSD/PCM converter supporting one bidirectional audio connection
General-Purpose Hardware Peripherals
Dual 16-bit Multi-Function Timer
Versatile Timer Unit with four subsystems (VTU)
Four channel DMA controller
Timing and Watchdog UnitDescriptionThe CP3CN17 connectivity processor combines a powerful RISC core with on-chip SRAM and Flash memory for high computing bandwidth, hardware communications peripherals for high I/O bandwidth, and an external bus for system expandability.
On-chip communications peripherals CP3CN17 include: CAN controller, ACCESS.bus, Microwire/Plus, SPI, UART, and Advanced Audio Interface (AAI). Additional on-chip peripherals include DMA controller, CVSD/PCM conversion module, Timing and Watchdog Unit, Versatile Timer Unit, Multi- Function Timer, and Multi-Input Wakeup.
The CP3CN17 is backed up by the software resources designers need for rapid time-to-market, including an operating system, peripheral drivers, reference designs, and an integrated development environment.
National Semiconductor offers a complete and industryproven application development environment for CP3CN17 applications, including the IAR Embedded Workbench, iSYSTEM winIDEA and iC3000 Active Emulator, Development Board, and Application Software.
CP3CN17 Data Sheet
