MSP430G2955系列介绍资料

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MSP430G2955

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具有 56KB 闪存、2KB SRAM、10 位 ADC、比较器、UART/SPI/I2C、计时器的 16MHz MCU

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The Texas Instruments MSP430 family of ultra-low-power microcontrollers consists 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 contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 1 µs.

The MSP430G2x55 series are ultra-low-power mixed signal microcontrollers with built-in 16-bit timers, up to 32 I/O touch-sense-enabled pins, a versatile analog comparator, and built-in communication capability using the universal serial communication interface.

Typical applications include low-cost sensor systems that capture analog signals, convert them to digital values, and then process the data for display or for transmission to a host system.

Low Supply-Voltage Range: 1.8 V to 3.6 V
Ultra-Low Power Consumption
- Active Mode: 250 µA at 1 MHz, 2.2 V
- Standby Mode: 0.7 µA
- Off Mode (RAM Retention): 0.1 µA
Five Power-Saving Modes
Ultra-Fast Wake-Up From Standby Mode in Less Than 1 µs
16-Bit RISC Architecture, 62.5-ns Instruction Cycle Time
Basic Clock Module Configurations
- Internal Frequencies up to 16 MHz With Four Calibrated Frequency
- Internal Very-Low-Power Low-Frequency (LF) Oscillator
- 32-kHz Crystal
- High-Frequency (HF) Crystal up to 16 MHz
- External Digital Clock Source
- External Resistor
Two 16-Bit Timer_A With Three Capture/Compare Registers
One 16-Bit Timer_B With Three Capture/Compare Registers
Up to 32 Touch-Sense-Enabled I/O Pins
Universal Serial Communication Interface (USCI)
- Enhanced UART Supporting Auto Baudrate Detection (LIN)
- IrDA Encoder and Decoder
- Synchronous SPI
- I²C™
On-Chip Comparator for Analog Signal Compare Function or Slope Analog-to-Digital (A/D) Conversion
10-Bit 200-ksps Analog-to-Digital (A/D) Converter With Internal Reference, Sample-and-Hold, and Autoscan
Brownout Detector
Serial Onboard Programming, No External Programming Voltage Needed, Programmable Code Protection by Security Fuse
Bootstrap Loader
On-Chip Emulation Logic
Package Options
- TSSOP: 38 Pin (DA)
- QFN: 40 Pin (RHA)

Frequency (MHz)	16
Nonvolatile memory (kByte)	56
RAM (kByte)	4
ADC type	10-bit SAR
Number of ADC channels	12
Number of GPIOs	32
Features	Real-time clock, Spy-bi-wire, Watchdog timer
UART	1
USB	No
Number of I2Cs	1
SPI	2
Number of comparator channels	8
Timers - 16-bit	3
Bootloader (BSL)	UART
Operating temperature range (°C)	-40 to 85
Rating	Catalog

TSSOP (DA)	38	101.25 mm² 12.5 x 8.1
VQFN (RHA)	40	36 mm² 6 x 6

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MSP430G2955

具有 56KB 闪存、2KB SRAM、10 位 ADC、比较器、UART/SPI/I2C、计时器的 16MHz MCU

4000-306-326