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TI CC2541低功耗蓝牙智能遥控方案

TI CC2541低功耗蓝牙智能遥控方案

TI公司的CC2541是功率优化的真正系统级芯片(SoC)解决方案,适用于蓝牙低功耗和专用的2.4GHz应用.器件集成了极好性能的RF收发器和工业标准增强性8051 MCU,在系统编程的闪存,8K RAM和许多功能强大的支持特性和外设,支持250kbps,500 kbps,1Mbps和2 Mbps数据速率,RF输出功率可编至0dBm,极好的接收灵敏度(-94dBm at 1 Mbps),主要用在2.4GHz蓝牙低功耗系统,专用的2.4GHz系统,人机接口如键盘,鼠标和遥控),体育和休闲设备,手机配件和消费类电子.本文介绍了CC2541主要特性,框图,应用电路,以及低功耗蓝牙智能遥控板特性,电路图和材料清单. The CC2541 is a power-optimized true system-on-chip (SoC) solution for both Bluetooth low energy and proprietary 2.4-GHz applications. It enables robust network nodes to be built with low total bill-of-material costs. The CC2541 combines the excellent performance of a leading RF transceiver with an industry-standard enhanced 8051 MCU, in-system programmable flash memory, 8-KB RAM, and many other powerful supporting features and peripherals. The CC2541 is highly suited for systems where ultralow power consumption is required. This is specified by various operating modes. Short transition times between operating modes further enable low power consumption. The CC2541 is pin-compatible with the CC2540 in the 6-mm × 6-mm QFN40 package, if the USB is not used on the CC2540 and the IC/extra I/O is not used on the CC2541. Compared to the CC2540, the CC2541 provides lower RF current consumption. The CC2541 does not have the USB interface of the CC2540, and provides lower maximum output power in TX mode. The CC2541 also adds a HW IC interface. The CC2541 is pin-compatible with the CC2533 RF4CE-optimized IEEE 802.15.4 SoC.

The CC2541 comes in two different versions: CC2541F128/F256, with 128 KB and 256 KB of flash memory, respectively.

CC2541主要特性: RF 2.4-GHz Bluetooth low energy Compliant and Proprietary RF System-on-Chip Supports 250-kbps, 500-kbps, 1-Mbps, 2-Mbps Data Rates Excellent Link Budget, Enabling Long-Range Applications Without External Front End Programmable Output Power up to 0 dBm

Excellent Receiver Sensitivity (–94 dBm at 1 Mbps), Selectivity, and Blocking Performance Suitable for Systems Targeting Compliance With Worldwide Radio Frequency Regulations: ETSI EN 300 328 and EN 300 440 Class 2 (Europe), FCC CFR47 Part 15 (US), and ARIB STD-T66 (Japan) Layout Few External Components Reference Design Provided

6-mm × 6-mm QFN-40 Package

Pin-Compatible With CC2540 (When Not Using USB or IC) Low Power Active-Mode RX Down to: 17.9 mA Active-Mode TX (0 dBm): 18.2 mA

Power Mode 1 (4-µs Wake-Up): 270 µA 222

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