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CC2340 New Low Energy Bluetooth MCU Solution

Texas Instruments has recently released a new low energy Bluetooth MCU series CC2340, which enables high-quality, low-power Bluetooth connectivity. The CC2340 series builds on Texas Instruments' decades of wireless connectivity expertise, with excellent standby current and radio frequency (RF) performance. Pricing for the CC2340 wireless MCUs will start as low as $0.79

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CC2340 Basic Specification Parameters

Ultra-low power
Arm® Cortex®-M0+
Up to 512kB flash program memory
Up to 36kB RAM data memory
Integrated Balun, ADC, UART, SPI, I2C
Temp support from -40 to 125 C
Support for Bluetooth LE, Zigbee®, Proprietary 2.4 GHz
TX output power: -20dBm to +8dBm
RX sensitivity: -96Bm @ 1Mbps
Standby current <830nA (RTC, RAM retention)
Reset/shutdown <150nA
Radio current Rx, Tx @0dBm <5.3mA
1s CONN interval: ~6uA

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The CC2340 chip has two memory configurations: CC2340R2 and CC2340R5. The CC2340R2 has 256KB of flash and the CC2340R5 has 512KB of flash. To support the amount of RAM memory required for remote software updates, the CC2340 provides 36 KB of RAM for over-the-air download support.

The CC2340 is suitable for outdoor applications and the chip has an operating temperature range of -40ºC to 125ºC. This is critical to ensuring stable wireless connectivity for systems such as industrial sensors, electric vehicle chargers or smart meters.

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