FINAL
APRIL 2005
CP3BT10 Reprogrammable Connectivity Processor
with Bluetooth® and USB Interfaces
1.0 General Description
The CP3BT10 connectivity processor combines high perfor- in the trade-off between battery size and operating time for
mance with the massive integration needed for embedded handheld and portable applications.
Bluetooth applications. A powerful RISC core with on-chip
In addition to providing the features needed for the next gen-
SRAM and Flash memory provides high computing band-
eration of embedded Bluetooth products, the CP3BT10 is
width, communications peripherals provide high I/O band-
backed up by the software resources designers need for
width, and an external bus provides system expandability.
rapid time-to-market, including an operating system, Blue-
On-chip communications peripherals include: Bluetooth tooth protocol stack implementation, reference designs, and
Lower Link Controller, USB, ACCESS.bus, Microwire/SPI, an integrated development environment. Combined with
UART, and Advanced Audio Interface (AAI). Additional on- National’s LMX5252 Bluetooth radio transceiver, the
chip peripherals include DMA controller, CVSD/PCM con- CP3BT10 provides a complete Bluetooth system solution.
version module, Timing and Watchdog Unit, Versatile Timer
Unit, Multi-Function Timer, and Multi-Input Wakeup.
National Semiconductor offers a complete and industry-
proven application development environment for CP3BT10
Bluetooth hand-held devices can be both smaller and lower applications, including the IAR Embedded Workbench,
in cost for maximum consumer appeal. The low voltage and iSYSTEM winIDEA and iC3000 Active Emulator, Bluetooth
advanced power-saving modes achieve new design points Development Board, Bluetooth Protocol Stack, and Applica-
tion Software.
Block Diagram
Clock Generator
12 MHz and 32 kHz
Oscillator
PLL and Clock
Generator
Power-on-Reset
Bluetooth Lower
Link Controller
1K Byte
Sequencer RAM
256K Bytes
Flash
Program
Memory
RF Interface
8K Bytes
Flash
Data
10K Bytes
Static
RAM
Serial
Debug
Interface
CR16C
CPU Core
Protocol
Core
4.5K Bytes
Data RAM
CPU Core Bus
Bus
Interface
Unit
Peripheral
Bus
Controller
Interrupt
Control
Unit
Power
Manage-
ment
Timing and
Watchdog
Unit
DMA
Controller
CVSD/PCM
Peripheral Bus
Audio
Interface
Microwire/
SPI
ACCESS
.bus
Versatile
Timer Unit
Muti-Func-
tion Timer
Multi-Input
Wake-Up
USB
GPIO
UART
DS144
Bluetooth is a registered trademark of Bluetooth SIG, Inc. and is used under license by National Semiconductor.
TRI-STATE is a registered trademark of National Semiconductor Corporation.
©2005 National Semiconductor Corporation
www.national.com