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产品详细信息
基本信息
详细信息
- Low Supply Voltage Range, 1.8 V to 3.6 V
- Ultra-Low Power Consumption:
- Active Mode: 280 µA at 1 MHz, 2.2 V
- Standby Mode: 1.6 µA
- Off Mode (RAM Retention): 0.1 µA
- Five Power-Saving Modes
- Wakeup From Standby Mode in Less Than 6 µs
- 16-Bit RISC Architecture, 125-ns Instruction Cycle Time
- 12-Bit Analog-to-Digital Converter (ADC) With Internal Reference, Sample-and-Hold, and Autoscan Feature
- 16-Bit Timer_B With Seven Capture/Compare-With-Shadow Registers
- 16-Bit Timer_A With Three Capture/Compare Registers
- On-Chip Comparator
- Serial Onboard Programming, No External Programming Voltage Needed, Programmable Code Protection by Security Fuse
- Serial Communication Interface (USART), Functions as Asynchronous UART or Synchronous SPI Interface
- Two USARTs (USART0, USART1) On MSP430F14x and MSP430F14x1 Devices
- One USART (USART0) On MSP430F13x Devices
- Family Members (Also See Device Comparison)
- MSP430F133
- 8KB + 256 Bytes of Flash Memory,
256 Bytes of RAM
- 8KB + 256 Bytes of Flash Memory,
- MSP430F135
- 16KB + 256 Bytes of Flash Memory,
512 Bytes of RAM
- 16KB + 256 Bytes of Flash Memory,
- MSP430F147, MSP430F1471
- 32KB + 256 Bytes of Flash Memory,
1KB of RAM
- 32KB + 256 Bytes of Flash Memory,
- MSP430F148, MSP430F1481
- 48KB + 256 Bytes of Flash Memory,
2KB of RAM
- 48KB + 256 Bytes of Flash Memory,
- MSP430F149, MSP430F1491
- 60KB + 256 Bytes of Flash Memory,
2KB of RAM
- 60KB + 256 Bytes of Flash Memory,
- MSP430F133
Description for the MSP430F149
The Texas Instruments MSP430™ family of ultra-low-power microcontrollers (MCUs) consist of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low-power modes is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that attribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6 µs.
The MSP430F13x, MSP430F14x, and MSP430F14x1 MCUs support two built-in 16-bit timers, a fast 12-bit ADC on the MSP430F13x and the MSP430F14x devices, one USART on the MSP430F13x devices or two USARTs on the MSP430F14x and MSP430F14x1 devices, and 48 I/O pins. The hardware multiplier enhances the performance and offers a broad code and hardware-compatible family solution.
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