CC1101/CC1100、CC2540/CC2541的比较

CC1101/CC1100

使用的是433M频率,当然对中国而言,CC1101本身支持300-348M,387-467M,779-928M.亚种支持的400M和2.4G.香港支持900M.

CC1101是CC1100的升级版,对无线部分进行了优化,改善了杂散响应(spurious response),输入兼容1100的程序.本身不带MCU,一个纯粹的无线发送芯片,使用SPI控制.可工作范围-40C到80度,这个有待考证,按一半算了也就是-20C-70C应该没问题.本身就是工业级的芯片.

还有一点要提的,CC1101的功率比CC1100增大了2DB,达到12DBM,是目前不需要PA就能传的很远的芯片,距离大概在200-300M之间.靠太近会输入饱和,无法收到任何数据.

电流在接收时候为14.7mA 发送时候使用0dBM为15mA,如果使用12dBM就会达到30mA.接收灵敏度为-113dBm,指的是1.2k速率的环境下的情况.
CC1101本身的速率是可调的 1.2K-500K之间调节,调制模式有FSK/GFSK/MSK/ASK/OOK.

CC2540/CC2541蓝牙
CC2540和CC2541区别_奔腾似海_新浪博客沿途见识[2]

TI Just released their new second Bluetooth Lower Energy single-mode SoC IC, the CC2541. ICs and EMKs, the modules that plug into the CC2540 Development Kit are now also available.

The CC2541 is similar to existing TI CC2540, but there are some differences:

Optimized TX power consumption. CC2541 draws 18.2 mA @ 0 dBm (14.3 mA when using TPS62730), compared to 27 mA @ 0 dBm for CC2540. Due to this optimization, maximum output power is 0 dBm for CC2541, compared with +4 dBm for CC2540.
There is also a minor improvement in RX current; 17.9 mA versus 19.6 mA (14.7 mA versus 15.8 mA when using TPS62730).
The USB interface has been removed on CC2541. It has been replaced by a hardware I2C interface.
In addition to Bluetooth low energy/Bluetooth Smart, CC2541 supports proprietary radio communication at 2 Mbps, 1 Mbps, 500 kbps and 250 kbps.
The CC2541 can be configured to be over-the-air compatible with CC2500/CC2510/CC2511 at 500 kbps and 250 kbps and with the 2.4 GHz RFICs from Nordic Semiconductor at 2 Mbps, 1 Mbps or 250 kbps the CC2540 only supported BLE.
As long as you don’t use USB or I2C, the CC2540 and CC2541 are 100% pin-compatible, including using the same values for the RF matching components, so it is easy to move back and forth between the two.
On the software side, the modules are 100% compatible, as the BLE stack masks some minor differences in the radio interface. The latest version of the BLE stack has full support for both CC2540 and CC2541.
If you are unsure whether to use CC2540 or CC2541, here are some points to consider:

If you’re concerned with active power consumption, use CC2541, as it will save you 30% in TX and around 10% in RX.
If you need +4 dBm output power, you should choose the CC2540.
If you need a USB interface, you should choose the CC2540.
If you need I2C, you should choose the CC2541.
If you want to communicate using a proprietary protocol, you should choose the CC2541.
If none of the above apply, it doesn’t matter which one you choose.
If cost is important, CC2541 is priced slightly lower than CC2540.

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