cp3cn23 National Semiconductor Corporation, cp3cn23 Datasheet

cp3cn23

Manufacturer Part Number

cp3cn23

Description

Cp3cn23 Reprogrammable Connectivity Processor With Dual Can Interfaces

Manufacturer

National Semiconductor Corporation

Datasheet

1.CP3CN23.pdf (246 pages)

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CP3CN23 Reprogrammable Connectivity Processor with

Dual CAN Interfaces

1.0

The CP3CN23 connectivity processor combines high per-

formance with the massive integration needed for embed-

ded applications. A powerful RISC core with on-chip SRAM

and Flash memory provides high computing bandwidth,

hardware communications peripherals provide high-I/O

bandwidth, and an external bus provides system expand-

ability.

On-chip communications peripherals include: dual CAN

controllers, Microwire/Plus, SPI, ACCESS.bus, quad UART,

12-bit A/D converter, and Advanced Audio Interface (AAI).

Additional on-chip peripherals include Random Number

Generator (RNG), DMA controller, CVSD/PCM conversion

module, Timing and Watchdog Unit, Versatile Timer Unit,

Multi-Function Timer, and Multi-Input Wake-Up (MIWU)

unit.

Hand-held devices can be both smaller and lower in cost for

maximum consumer appeal. The low voltage and advanced

power-saving modes achieve new design points in the

Block Diagram

TRI-STATE is a registered trademark of National Semiconductor Corporation.

CPU Core

Interface

12 MHz and 32 kHz

CR16C

Bus

Unit

GPIO

Oscillator

General Description

Controller

DMA

Interface

Clock Generator

Audio

PLL and Clock

256K Bytes

Generator

Program

Memory

Flash

Peripheral

Controller

Microwiire/

Bus

SPI

Power-on-Reset

8K Bytes

Quad UART

Flash

Data

Interrupt

Control

Unit

Peripheral Bus

CPU Core Bus

ACCESS

CVSD/PCM

Converter

.bus

32K Bytes

trade-off between battery size and operating time for hand-

held and portable applications.

In addition to providing the features needed for the next gen-

eration of embedded products, the CP3CN23 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 environ-

ment.

National Semiconductor offers a complete and industry-

proven application development environment for CP3CN23

applications, including the IAR Embedded Workbench,

iSYSTEM winIDEA and iC3000 Active Emulator, and Appli-

cation Software.

Static

RAM

Timer Unit

Versatile

Manage-

Power

ment

CAN 2.0B

Controller

Muti-Func-

Dual

tion Timer

Timing and

Watchdog

Unit

Multi-Input

Wake-Up

Generator

Random

Interface

Number

Debug

Serial

www.national.com

12-bit ADC

8-Channel

JULY 2004

FINAL

DS310

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