Toshiba's New ICs for Bluetooth® Smart Devices Feature Built-in Flash ROM, Will Promote Adoption of Communication Functions for Wearables

TOKYO — (BUSINESS WIRE) — November 17, 2015Toshiba Corporation (TOKYO: 6502) today announced the launch of two Bluetooth® ICs, that both support Bluetooth® Low Energy (LE)[1] ver.4.1 communications. The “TC35676FTG/FSG” integrates built-in Flash ROM, while the “TC35675XBG” supports both Flash ROM and NFC Forum Type 3 Tag for peer-to-peer communication. Sample shipments start today.

This Smart News Release features multimedia. View the full release here: http://www.businesswire.com/news/home/20151117005818/en/

Toshiba: a Bluetooth(TM) IC "TC35676FSG" with built-in Flash ROM (Photo: Business Wire)

Toshiba: a Bluetooth(TM) IC "TC35676FSG" with built-in Flash ROM (Photo: Business Wire)

The “TC35676FTG/FSG” adds to the current “TC35667FTG/FSG” line-up launched last year. These devices realize low power consumption with an original low-power circuit design and integration of a highly efficient DC-DC converter. The new IC builds on these with the addition of Flash ROM to store user programs and various data for stand-alone uses. The new IC also has a 64KB user program area, achieved by increasing the internal SRAM size that allows its internal ARM® processor to execute various kinds of application programs.

The “TC35675XBG” is an addition to the “TC35670FTG” line-up. Integrated into a product, its NFC Tag realizes easy Bluetooth® peer-to-peer paring and easy power on/off functions simply by touching another NFC supported mobile device, extensions of the “TC35676FTG/FSG” functions.

The new ICs will boost cost performance, as the built-in Flash ROM eliminates any need for an external EEPROM and reduces external part counts and PCB size. They also have the same low power consumption feature as the current ICs and operate long operating times for applications powered by small coin cell batteries. For example, using a CR2032 type coin battery, the new ICs can carry out beacon operation for more than six months[2].

The new ICs will facilitate adoption of Bluetooth® LE communications for high grade small devices, such as wearable healthcare devices, sensors and toys, and will support set makers in optimizing product value.

Key Features

- Low power consumption:
- Less than 6mA at peak consumption (@3.3V, -4dBm Transmitter output power or Receiver operation)
- Less than 100nA in deep sleep (@3.3V)

- Receiver sensitivity: -92.5dBm
- Supports Bluetooth® LE central and peripheral devices
- Built-in GATT (Generic Attribute Profile)
- Supports servers and client functions defined by GATT (Generic Attribute Profile)
- Built-in 192KB Flash ROM
- Built-in NFC Forum Type 3 Tag chip. (FeliCaTM Lite-S compatible) [3] (TC35675XBG only)
- Automatic CRC generation during writing data to Tag chip, automatic checking during reading data from Tag chip, Relay function from Wired to Wireless / Wireless to Wired

Applications

Bluetooth® Smart devices[4], such as wearable devices, healthcare devices, smart phone accessories, remote controllers, and toys.

 

Main Specifications

 
Part Number   TC35675XBG   TC35676FTG/FSG
Operating Voltage Range 1.8V-3.6V

Current Consumption in
Operation

5.9mA (@3.3V, -4dBm Transmitter operation or Receive operation)

Current Consumption
during Deep Sleep

Less than 100nA (@3.3V)

Operating Temperature
Range

-40°C to 85 °C
Package

FBGA52 4.5mm×4.5mm 0.5mm
pitch

QFN40 6mm×6mm 0.5mm pitch

QFN40 5mm×5mm 0.4mm pitch

Bluetooth ® Version Ver.4.1

Including central and peripheral functions

Transmitter Output Power 0dBm to -20dBm (4dB steps)
Receiver Sensitivity -92.5dBm
Profiles GATT (Generic Attribute Profile), including server and client functions
Interfaces UART, I 2 C, SPI, GPIO
Other Features DC-DC Converter

Low drop regulator

General purpose ADC

User program function

Wake up signal for host device

PWM function

Built-in 192KB Flash ROM

Tag Communication

NFC Type 3 Tag (FeliCa TM Lite-S
compatible) [3]

Tag Communication Speed

212Kbps / 424Kbps automatic
switchover

Non-volatile Memory E 2 PROM, 2Kbyte
Security  

Mutual recognition by Triple DES
MAC (MAC: Message
Authentication Code)

 
 

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