TI CC2541低功耗蓝牙智能遥控方案

TI CC2541低功耗蓝牙智能遥控 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. 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 Power Mode 2 (Sleep Timer On): 1 μA Power Mode 3 (External Interrupts): 0.5 μA Wide Supply-Voltage Range (2 V–3.6 V) TPS62730 Compatible Low Power in Active Mode RX Down to: 14.7 mA (3-V supply) TX (0 dBm): 14.3 mA (3-V supply) Microcontroller High-Performance and Low-Power 8051 Microcontroller Core With Code Prefetch In-System-Programmable Flash, 128- or 256-KB 8-KB RAM With Retention in All Power Modes Hardware Debug Support Extensive Baseband Automation, Including Auto-Acknowledgment and Address Decoding Retention of All Relevant Registers in All Power Modes Peripherals Powerful Five-Channel DMA General-Purpose Timers (One 16-Bit, Two 8-Bit) IR Generation Circuitry 32-kHz Sleep Timer With Capture Accurate Digital RSSI Support Battery Monitor and Temperature Sensor 12-Bit ADC With Eight Channels and Configurable Resolution AES Security Coprocessor Two Powerful USARTs With Support for Several Serial Protocols 23 General-Purpose I/O Pins (21 × 4 mA,2 × 20 mA) IC interface 2 I/O Pins Have LED Driving Capabilities Watchdog Timer Integrated High-PerformanceComparator Development Tools CC2541 Evaluation Module Kit (CC2541EMK) CC2541 Mini Development Kit (CC2541DK-MINI) SmartRF? Software IAR Embedded Workbench? Available Software Features Bluetooth v4.0 Compliant Protocol Stack for Single-Mode BLE Solution Complete Power-Optimized Stack, Including Controller and HostGAP – Central, Peripheral, Observer, or Broadcaster (Including Combination Roles)ATT / GATT – Client and ServerSMP – AES-128 Encryption and DecryptionL2CAP Sample Applications and Profiles 2 Generic Applications for GAP Central and Peripheral Roles Proximity, Accelerometer, Simple Keys, and Battery GATT Services More Applications Supported in BLE Software Stack Multiple Configuration Options Single-Chip Configuration, Allowing Applications to Run on CC2541 Network Processor Interface for Applications Running on an External Microcontroller BTool – Windows PC Application for Evaluation, Development, and Test CC2541应用: 2.4-GHz Bluetooth low energy Systems Proprietary 2.4-GHz Systems Human-Interface Devices (Keyboard, Mouse, Remote Control) Sports and Leisure Equipment Mobile Phone Accessories Consumer Electronics 图 1. CC2541框图 图2. CC2541典型应用电路图 CC2541低功耗蓝牙智能遥控板 The CC2541 Bluetooth Smart Remote Control Kit provides a reference platform for Bluetooth low energy r emote control application development. It is based on the TI’s industry leading CC2541 Bluetooth low energy device and contains the hardware and tools required for evaluating, developing, testing, and debugging remote control applications. The kit includes an advanced programmable remote control capable of 6-axis motion sensing (3-axis accelerometer and 3-axis gyroscope), a USB dongle and a debugger. The advanced remote and USB dongle come pre-programmed with their respective HID-over-GATT profile roles and HID report service, including keyboard, consumer control keys and mouse reports. The sample applications are included in the Bluetooth low energy software stack. The advanced remote control can connect directly to a Bluetooth? Smart Ready device supporting HID-over-GATT, e.g. Windows 8. The USB dongle can be used as a bridge to interface to devices without Bluetooth? Smart Ready support, e.g. Windows 7. The CC2541 Advanced Remote Control is designed to act as a HID Peripheral Device (BLE Slave),operating according to the specifications laid out in the HID over GATT profile [5]. It comes pre-assembled in plastic casing with rubber buttons, battery enclosure and a hole to access the programming header. The Advanced Remote Control operates on three 1.5V alkaline AAA (LR03) batteries. Available peripheral hardware on the board includes a buzzer, gyroscope, accelerometer and shift registers for key scanning. The PCB design also includes a 3.3V LDO (TPS78330) to lower the voltage from a maximum 4.5 Volt to 3.3 Volt for use by the integrated circuits. The CC2540 USB Dongle can be used to emulate any Bluetooth low energy behavior but is usually acting as a Central Device (BLE Master) and HID Host. In this kit it comes pre-loaded with firmware that acts in a Central role and as a HID Service client towards the Advanced Remote Control and sends received input data to emulated Human Interface Devices (USB HID) on a connected Windows, Linux or OSX computer. The CC Debugger is used to flash the software onto both the USB Dongle as well as the Advanced Remote Control. It can also be used for debugging software using IAR Embedded Workbench.The RF Boards in this kit are FCC and IC certified and tested to comply with ETSI/R&TTE over temperature from 0 to +35?C. CC2541蓝牙智能遥控板包括: The kit contains: 1 x CC2541 Advanced Remote Control 1 x CC2540 USB Dongle 1 x CC Debugger 3 x 1.5V AAA Alkaline Batteries Documentation 图3. CC2541蓝牙智能遥控板外形图 图4. CC2541蓝牙智能遥控板电路图 CC2541蓝牙智能遥控板材料清 单: