Description

The TLC254I is an electronic component model belonging to the Product Category Instrumentation OpAmps. It is a single chip ROM-based Bluetooth solution implemented in 0.13m ultra low power, low leakage CMOS technology. The TLC254I is designed for applications requiring integration up to HCI level and is equipped with patch RAM, enabling multiple patches/upgrades. Its main interfaces include UART for HCI transport, PCM for voice, and GPIOs for control purposes. The Radio is designed for the single chip requirement and for drastic power consumption reduction.

Specifications and features

- Bluetooth™ specification compliance: V1.1 and V1.2

- Ericsson Licensing Technology Baseband Core (EBC)

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

- Asynchronous Connection Oriented (ACL) logical transport link

- Synchronous Connection Oriented (SCO) link: 2 simultaneous SCO channels

- Support Pitch-Period Error Concealment (PPEC) to improve speech quality in the vicinity of interference and coexistence with WLAN

- Adaptive Frequency Hopping (AFH) with hopping kernel and channel assessment as Master and as Slave

- Faster Connection: Interlaced scan for Page and Inquiry scan, first FHS without random back off, RSSI used to limit range

- Extended SCO (eSCO) links

- HW support for packet types: ACL, SCO, and eSCO

- Clock support: system clock input (digital or sine wave) at 13, 26, 19.2, or 38.4 MHz, LPO clock input at 3.2, 16.384, 32, or 32.768 kHz

- ARM7TDMI CPU with 32-bit Core and AMBA (AHB-APB) bus configuration

- Patch RAM capability

- Memory organization: On-chip RAM, including provision for patches, and on-chip ROM preloaded with SW up to HCI

- Communication interfaces: Fast UART, PCM interface, 4 programmable GPIOs, external interrupts possible through the GPIOs, and fast master I2C interface

- Efficient support for WLAN coexistence in collocated scenario

- Ciphering support up to 128 bits key

- Software support: Lower level stack (up to HCI), HCI Transport Layer: H4 (including proprietary extensions), HCI proprietary commands (e.g. peripherals control), and Single HCI command for patch/upgrade download

- Single power supply with internal regulators for core voltage generation

- Supports 1.65 to 2.85 Volts IO systems

- Total number of external components limited to 7 (6 decoupling capacitors and 1 filter) thanks to fully integrated synthesizer (VCO and loop filter), integrated antenna switch, and low IF receiver

- Auto calibration (VCO, Filters) with no need for calibration of the RF part

- Timer and watchdog

- Power class 2 compatible

- Ultra low power architecture with 3 different low power levels: Sleep Mode, Deep Sleep Mode, and Complete Power Down Mode

- Software Initiated Low Power Mode

- Dual Wake-up mechanism: initiated either by the Host or by the Bluetooth device

- Standard TFBGA-84 pins package

Application Scenarios

The TLC254I is suitable for various applications that require integration up to HCI level. It can be used in devices that utilize Bluetooth technology for wireless communication, such as mobile phones, tablets, laptops, and smart home devices. Its low power architecture and efficient support for WLAN coexistence make it suitable for collocated scenarios.

Comparison

- Ultra low power architecture with multiple low power levels

- Efficient support for WLAN coexistence in collocated scenarios

- Patch RAM capability enabling multiple patches/upgrades

- Supports Bluetooth specification compliance: V1.1 and V1.2

- Provides various interfaces for easy integration

- Limited to 7 external components, which may limit customization options