cp3ub26 National Semiconductor Corporation, cp3ub26 Datasheet

cp3ub26

Manufacturer Part Number

cp3ub26

Description

Reprogrammable Connectivity Processor With Usb And Can Interfaces

Manufacturer

National Semiconductor Corporation

Datasheet

1.CP3UB26.pdf (270 pages)

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CP3UB26 Reprogrammable Connectivity Processor with

USB and CAN Interfaces

1.0

The CP3UB26 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: Universal Se-

rial Bus (USB) 1.1 node, CAN, Microwire/Plus, SPI, AC-

CESS.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, Ver-

satile 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

Unit

Bus

GPIO

Oscillator

General Description

Controller

Interface

DMA

Audio

Clock Generator

PLL and Clock

256K Bytes

Generator

Program

Memory

Flash

Microwiire/

Peripheral

SPI

Controller

Bus

Power-on-Reset

Quad UART

8K Bytes

Flash

Data

Interrupt

Control

Unit

Peripheral Bus

CPU Core Bus

ACCESS

.bus

CVSD/PCM

Converter

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 CP3UB26 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 CP3UB26

applications, including the IAR Embedded Workbench,

iSYSTEM winIDEA and iC3000 Active Emulator, Develop-

ment Board, and Application Software.

Timer Unit

Static

RAM

Versatile

Manage-

Power

ment

Muti-Func-

tion Timer

CAN 2.0B

Controller

Multi-Input

Timing and

Wake-Up

Watchdog

Unit

12-bit ADC

8-Channel

Generator

Random

Interface

Number

Debug

Serial

FEBRUARY 2007

www.national.com

USB

DS311

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