原标题：TI CC430超低功耗MCU射频应用方案

　　TI公司的CC430系列是集成了RF收发器的超低功耗MCU系统级芯片(SoC),器件具有功能强大的MSP430™ 16位RISC CPU,16位居寄存器,以及常数发生器,以得到最高的代码效率.工作电压1.8V-3.6V,CPU工作时的功耗160 µA/MHz,主要用在建筑物自动化,测试测量和财产跟踪.本文介绍CC430主要特性, CC430F613x和CC430F513x的功能方框图, 小于1GHz无线电方框图,以及CC430F61xx和CC430F51xx的典型应用电路图与材料清单.

　　The Texas Instruments CC430 family of ultralow-power microcontroller system-on-chip with integrated RF transceiver cores consists of several devices featuring different sets of peripherals targeted for a wide range of applications. The architecture, combined with five low-power modes is optimized to achieve extended battery life in portable measurement applications. The device features the powerful MSP430™ 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency.

　　The CC430 family provides a tight integration between the microcontroller core, its peripherals, software, and the RF transceiver, making these true system-on-chip solutions easy to use as well as improving performance.

　　CC430主要特性:

　　True System-on-Chip (SoC) for Low-Power Wireless Communication Applications

　　Wide Supply Voltage Range: 1.8 V to 3.6 V

　　Ultralow Power Consumption:

　　CPU Active Mode (AM): 160 µA/MHz

　　Standby Mode (LPM3 RTC Mode):2.0 µA

　　Off Mode (LPM4 RAM Retention): 1.0 µA

　　Radio in RX: 15 mA, 250 kbps, 915 MHz

　　MSP430 System and Peripherals

　　16-Bit RISC Architecture, Extended Memory, 50-ns Instruction Cycle Time

　　Wake-Up From Standby Mode in Less Than 6 µs

　　Flexible Power Management System with SVS and Brownout

　　Unified Clock System with FLL

　　16-Bit Timer TA0, Timer_A with Five Capture/Compare Registers

　　16-Bit Timer TA1, Timer_A with Three Capture/Compare Registers

　　Hardware Real-Time Clock

　　Two Universal Serial Communication Interfaces

　　USCI_A0 supporting UART, IrDA, SPI

　　USCI_B0 supporting I2C, SPI

　　12-Bit A/D Converter With Internal Reference, Sample-and-Hold, and Autoscan Features (Only CC430F613x and CC430F513x) Comparator

　　The CC430 has one active mode and five software selectable low-power modes of operation. An interrupt event can wake up the device from any of the low-power modes, service the request, and restore back to the low-power mode on return from the interrupt program.

　　The following six operating modes can be configured by software:

　　• Active mode (AM)

　　– All clocks are active

　　• Low-power mode 0 (LPM0)

　　– CPU is disabled

　　– ACLK and SMCLK remain active, MCLK is disabled

　　– FLL loop control remains active

　　• Low-power mode 1 (LPM1)

　　– CPU is disabled

　　– FLL loop control is disabled

　　– ACLK and SMCLK remain active, MCLK is disabled

　　• Low-power mode 2 (LPM2)

　　– CPU is disabled

　　– MCLK and FLL loop control and DCOCLK are disabled

　　– DCO’s dc-generator remains enabled

　　– ACLK remains active

　　• Low-power mode 3 (LPM3)

　　– CPU is disabled

　　– MCLK, FLL loop control, and DCOCLK are disabled

　　– DCO’s dc-generator is disabled

　　– ACLK remains active

　　• Low-power mode 4 (LPM4)

　　– CPU is disabled

　　– ACLK is disabled

　　– MCLK, FLL loop control, and DCOCLK are disabled

　　– DCO’s dc-generator is disabled

　　– Crystal oscillator is stopped

　　– Complete data retention

　　图1.CC430F613x功能方框图

　　图2. CC430F612x功能方框图

　　图3. CC430F513x功能方框图

　　图4. 小于1GHz无线电方框图

　　图5. CC430F61xx典型应用电路图

　　图6. CC430F51xx典型应用电路图

　　应用电路图材料清单: