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DESCRIPTION

The STLC2411 offers a compact and complete solution for short-range wireless connectivity. It incorporates all the lower layer functions of the Bluetooth? protocol. The microcontroller allows the support of all data packets of Bluetooth? in addition to voice. The embedded controller can be used to run the Bluetooth? protocol and application layers if required. The software is located in an external memory accessed through the external memory interface.

FEATURES

■ Pin to pin compatible with the previous version STLC2410B

■ Ericsson Technology Licensing Baseband Core (EBC)

■ Bluetooth? specification compliance: V1.1 and V1.2

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

■ Asynchronous Connection Oriented (logical transport) link

■ Synchronous Connection Oriented (SCO) links: 2 simultaneous SCO channels

■ Supports Pitch-Period Error Concealment (PPEC)

– Improves speech quality in the vicinity of interference

– Improves coexistence with WLAN

– Works at receiver, no Bluetooth implication

■ Adaptive Frequency Hopping (AFH): hopping kernel, channel assessment as Master and as Slave

■ Faster Connection: Interlaced scan for Page and Inquiry scan, first FHS without random backoff, RSSI used to limit range

■ Extended SCO (eSCO) links

■ Standard BlueRF bus interface

■ QoS Flush

■ Clock support

– System clock input: any integer value from 12 … 33 MHz

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

■ ARM7TDMI 32-bit CPU

■ Memory organization

– 64KByte on-chip RAM

– 4KByte on-chip boot ROM

– Programmable external memory interface (EMI)

– Supports byte and half word access

– Supports up to 3 external RAM banks (1 Mbyte/ bank)

– Supports up to 2 Mbyte external flash memory

■ Low power architecture with 2 different low power levels:

– Sleep Mode

– Deep Sleep Mode

■ HW support for packet types

– ACL: DM1, 3, 5 and DH1, 3, 5

– SCO: HV1, 3 and DV

– eSCO: EV3, 5

■ Communication interfaces

– Synchronous Serial Interface, supporting up to 32 bit data and different industry standards

– Two enhanced 16550 UARTs with 128 byte FIFO depth

– 12Mbps USB interface

– Fast master I2C bus interface

– Multi slot PCM interface

– 16 programmable GPIOs

– 2 external interrupts and various interrupt possibilities through other interfaces

■ Ciphering support for up to 128-bit key

■ Efficient support for WLAN coexistence in collocated scenario

■ Receiver Signal Strength 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

■ Compliant to automotive specification AEC-Q100

Applications Features

Typical applications in which the STLC2411 can be used are:

■ Portable computers, PDA

■ Modems

■ Handheld data transfer devices

■ Cameras

■ Computer peripherals

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

■ Cable replacement