DMACTL0, DMA Control Register, TSELx | Texas Instruments MSP430x1xx

DMACTL0, DMA Control Register 0

Reserved

DMA2TSELx

rw−(0)	rw−(0)	rw−(0)	rw−(0)
7	6	5	4

rw−(0)	rw−(0)	rw−(0)	rw−(0)
3	2	1	0

DMA1TSELx

DMA0TSELx

rw−(0)	rw−(0)		rw−(0)	rw−(0)	rw−(0)	rw−(0)	rw−(0)	rw−(0)
Reserved	Bits	Reserved
	15−12
DMA2	Bits	DMA trigger select. These bits select the DMA transfer trigger.
TSELx	11−8	0000	DMAREQ bit (software trigger)
		0001	TACCR2 CCIFG bit
		0010	TBCCR2 CCIFG bit
		0011	URXIFG0 (UART/SPI mode), USART0 data received (I2C mode)
		0100	UTXIFG0 (UART/SPI mode), USART0 transmit ready (I2C mode)
		0101	DAC12_0CTL DAC12IFG bit
		0110	ADC12 ADC12IFGx bit
		0111	TACCR0 CCIFG bit
		1000	TBCCR0 CCIFG bit
		1001	URXIFG1 bit
		1010	UTXIFG1 bit
		1011	Multiplier ready
		1100	No action
		1101	No action
		1110	DMA0IFG bit triggers DMA channel 1
			DMA1IFG bit triggers DMA channel 2
			DMA2IFG bit triggers DMA channel 0
		1111	External trigger DMAE0
DMA1	Bits	Same as DMA2TSELx
TSELx	7−4
DMA0	Bits	Same as DMA2TSELx
TSELx	3–0

8-19

MSP430x1xx specifications

The Texas Instruments MSP430x1xx series is a family of ultra-low-power microcontrollers that are highly regarded in the embedded systems community for their versatility and performance. Designed for applications ranging from portable instrumentation to low-power industrial devices, the MSP430x1xx combines flexibility and efficiency with advanced features tailored for energy-sensitive applications.

One of the standout characteristics of the MSP430x1xx is its ultra-low-power operation. This series offers several low-power modes that can significantly extend battery life in portable devices. The microcontroller can be in active mode, low-power mode, or even in a deep sleep state, allowing developers to optimize power consumption based on the application's requirements. In fact, some configurations can operate at just a few microamps, making it ideal for battery-operated devices.

Another key feature is the 16-bit RISC architecture that provides powerful processing capabilities while maintaining a low power profile. The MSP430x1xx series supports a maximum clock speed of 16 MHz, allowing for efficient task execution while consuming minimal energy. This architecture ensures that programs run smoothly while the microcontroller remains energy efficient.

The MSP430x1xx is equipped with various integrated peripherals, including analog-to-digital converters (ADCs), timers, and communication interfaces like UART, SPI, and I2C. The inclusion of a powerful ADC enables the microcontroller to handle sensor readings with high accuracy, making it suitable for applications like environmental monitoring and medical devices. The integrated timers provide essential functionality for real-time applications, allowing for event-driven programming and precise timing control.

Memory options in the MSP430x1xx series are also robust, with configurations offering flash memory sizes from 1 KB to 64 KB. This flexibility allows developers to choose the optimal memory size for their specific applications, accommodating a wide range of requirements.

Additionally, the MSP430x1xx microcontrollers are designed with a wide operating voltage range, typically from 1.8V to 3.6V, making them compatible with various power sources and further enhancing their usability in diverse applications.

In summary, the Texas Instruments MSP430x1xx series of microcontrollers is an excellent choice for developers seeking low-power, high-performance solutions for embedded applications. With an efficient architecture, a rich set of peripherals, and flexible memory options, these microcontrollers are positioned to meet the growing demands of modern electronic designs, particularly in battery-powered and energy-sensitive applications.

Texas Instruments MSP430x1xx manual DMACTL0, DMA Control Register, TSELx

Models: MSP430x1xx

DMACTL0, DMA Control Register 0

Reserved

TSELx

MSP430x1xx specifications