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CP3CN17K38
Reprogrammable Connectivity Processor with CAN Interface
CP3CN17 Connectivity Pr
ocessor
with CAN Interface
PRELIMINARYSept. 2003
CP3CN17 Reprogrammable Connectivity Processor
with CAN Interface
1.0 General DescriptionThe CP3CN17 connectivity processor combines a powerful
RISC core with on-chip SRAM and Flash memory for high
computing bandwidth, hardware communications peripher-
als for high I/O bandwidth, and an external bus for system
expandability.
On-chip communications peripherals include: CAN control-
ler, ACCESS.bus, Microwire/Plus, SPI, UART, and Ad-
vanced Audio Interface (AAI). Additional on-chip peripherals
include DMA controller, PCM/CSVD 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 de-
signers need for rapid time-to-market, including an operat-
ing system, peripheral drivers, reference designs, and an
integrated development environment.
National Semiconductor offers a complete and industry-
proven application development environment for CP3CN17
applications, including the IAR Embedded Workbench,
iSYSTEM winIDEA and iC3000 Active Emulator, Develop-
ment Board, and Application Software.
Block Diagram
CPU Core Bus12 MHz and 32 kHz
Oscillator
Peripheral BusPLL and Clock
Generator Power-on-Reset
256K Bytes
Flash
Program
Memory
8K Bytes
Flash
Data
Bus
Interface
Unit
Peripheral
Bus
Controller
10K Bytes
Static
RAM
Serial
Debug
Interface
CANCR16C
CPU Core
DMA
Controller
Interrupt
Control
Unit
CVSD/PCM Power
Manage-
ment
Timing and
Watchdog
Unit
ACCESS
.bus
Versatile
Timer Unit
Muti-Func-
tion Timer
Multi-Input
Wake-UpGPIO Audio
Interface
Microwire/
SPI UART
Clock Generator
