ADC12 Registers

ADC12MCTLx, ADC12 Conversion Memory Control Registers

7

6

5

4

3

2

1

0

EOS

SREFx

INCHx

rw−(0)

rw−(0)

rw−(0)

rw−(0)

rw−(0)

rw−(0)

rw−(0)

rw−(0)

Modifiable only when ENC = 0

EOS

Bit 7

End of sequence. Indicates the last conversion in a sequence.

 

 

0

Not end of sequence

 

 

1

End of sequence

SREFx

Bits

Select reference

 

6-4

000

VR+ = AVCC and VR− = AVSS

 

 

001

VR+ = VREF+ and VR− = AVSS

 

 

010

VR+ = VeREF+ and VR− = AVSS

 

 

011

VR+ = VeREF+ and VR− = AVSS

 

 

100

VR+ = AVCC and VR− = VREF− / VeREF−

 

 

101

VR+ = VREF+ and VR− = VREF− / VeREF−

 

 

110

VR+ = VeREF+ and VR− = VREF− / VeREF−

 

 

111

VR+ = VeREF+ and VR− = VREF− / VeREF−

INCHx

Bits

Input channel select

 

3-0

0000

A0

 

 

0001

A1

 

 

0010

A2

 

 

0011

A3

 

 

0100

A4

 

 

0101

A5

 

 

0110

A6

 

 

0111

A7

 

 

1000

VeREF+

 

 

1001

VREF− /VeREF−

 

 

1010

Temperature sensor

 

 

1011

(AVCC – AVSS) / 2

 

 

1100

(AVCC – AVSS) / 2

 

 

1101

(AVCC – AVSS) / 2

 

 

1110

(AVCC – AVSS) / 2

 

 

1111

(AVCC – AVSS) / 2

ADC12 17-25

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Texas Instruments MSP430x1xx manual ADC12MCTLx, ADC12 Conversion Memory Control Registers, SREFx, INCHx
Page 382 Page 384

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.
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