DESCRIPTION

The STLC2415 from STMicroelectronics is a Bluetooth? baseband controller with integrated 4 Mbit flash memory. Together with a Bluetooth? Radio this product offers a compact and complete solution for short-range wireless connectivity. It incorporates all the lower layer functions of the Bluetooth? protocol.

FEATURES

■ Bluetooth? V1.1 specification compliant

■ SW compatible with STLC2410B-M28R400CT combination

■ 2 layer class 4 PCB compatible

■ Point-to-point, point-to-multi-point (up to 7 slaves) and scatternet capability

■ Asynchronous Connection Less (ACL) link support giving data rates up to 721 kbps

■ Synchronous Connection Oriented (SCO) link

■ Standard BlueRF bus interface

■ Clock support

– System clock input: 13 MHz external clock

– LPO clock input at 3.2 and 32 kHz or via the embedded 32 kHz crystal oscillator cell

■ ARM7TDMI 32-bit CPU

■ Memory organization

– Integrated 4 Mbit flash

– 64 KByte on-chip RAM

– 4 KByte on-chip boot ROM

– Hold-acknowledge bus arbitration support

■ HW support for all packet types

– ACL: DM1, 3, 5 and DH1, 3, 5

– SCO: HV1, 2, 3 and DV1

■ Communication interfaces

– Serial Synchronous Interface

– Two enhanced 16550 UARTs with 128 byte fifo depth

– 12 Mbps USB interface

– Fast master I2C bus interface

– Multi slot PCM interface

– 16 programmable GPIO

– 2 external interrupts and various interrupt possibilities through other interfaces

■ Ciphering support for up to 128-bit key

■ Receiver Signal Strenght Indication (RSSI) support for power-controlled links

■ Separate control for external power amplifier (PA) for class1 power support.

■ Software support

– Low level (up to HCI) stack or embedded stack with profiles

– Support of UART and USB HCI transport layers.

■ Idle and power down modes

– Ultra low power in idle mode

– Low standby current

Applications Features

Typical applications in which the STLC2415 can be used are:

■ Cable replacement

■ Portable computers, PDA

■ Modems

■ Handheld data transfer devices

■ Cameras

■ Computer peripherals

■ Other type of devices that require the wireless communication provided by Bluetooth?