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CP3BT26G18NEP-CP3BT26G18NEPX-CP3BT26Y98NEP
Reprogrammable Connectivity Processor with Bluetooth, USB, and CAN Interfaces
CP3BT26 Connectivity Pr
ocessor with
Bluetooth and Dual CAN Interfaces
FINALJULY 2004
CP3BT26 Reprogrammable Connectivity Processor with
Bluetooth® , USB, and CAN Interfaces
1.0 General DescriptionThe CP3BT26 connectivity processor combines high perfor-
mance with the massive integration needed for embedded
Bluetooth applications. A powerful RISC core with on-chip
SRAM and Flash memory provides high computing band-
width, hardware communications peripherals provide high-
I/O bandwidth, and an external bus provides system ex-
pandability.
On-chip communications peripherals include: Bluetooth
Lower Link Controller, Universal Serial Bus (USB) 1.1 node,
CAN, Microwire/Plus, SPI, ACCESS.bus, quad UART, 12-bit
A/D converter, and Advanced Audio Interface (AAI). Addi-
tional on-chip peripherals include Random Number Gener-
ator (RNG), DMA controller, CVSD/PCM conversion
module, Timing and Watchdog Unit, Versatile Timer Unit,
Multi-Function Timer, and Multi-Input Wake-Up (MIWU)
unit.
Bluetooth 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 trade-off between battery size and operating time for
handheld and portable applications.
In addition to providing the features needed for the next gen-
eration of embedded Bluetooth products, the CP3BT26 is
backed up by the software resources designers need for
rapid time-to-market, including an operating system, Blue-
tooth protocol stack implementation, peripheral drivers, ref-
erence designs, and an integrated development
environment. Combined with a Bluetooth radio transceiver
such as National’s LMX5252, the CP3BT26 provides a com-
plete Bluetooth system solution.
National Semiconductor offers a complete and industry-
proven application development environment for CP3BT26
applications, including the IAR Embedded Workbench,
iSYSTEM winIDEA and iC3000 Active Emulator, Bluetooth
Development Board, Bluetooth Protocol Stack, and Applica-
tion Software.
Block Diagram
CPU Core Bus12 MHz and 32 kHz
Oscillator
Peripheral BusPLL and Clock
Generator Power-on-Reset
Bus
Interface
Unit
Peripheral
Bus
Controller
Serial
Debug
Interface
DMA
Controller
Interrupt
Control
Unit
CVSD/PCM
Converter
Power
Manage-
ment
Timing and
Watchdog
Unit
8-Channel
12-bit ADC
Versatile
Timer Unit
Muti-Func-
tion Timer
Multi-Input
Wake-UpGPIO Audio
Interface
Microwiire/
SPI Quad UART
Clock GeneratorProtocol
Core
RF Interface
Bluetooth Lower
Link Controller4.5K Bytes
Data RAM
1K Byte
Sequencer RAM
256K Bytes
Flash
Program
Memory
8K Bytes
Flash
Data
32K Bytes
Static
RAM
CR16C
CPU Core
ACCESS
.bus
CAN 2.0B
Controller
Random
Number
Generator
USB
