1. ADC12 Block Diagram | Texas Instruments MSP430x1xx instruction

ADC12 Introduction

Figure 17−1. ADC12 Block Diagram

REF2_5V

REFON

INCHx=0Ah

VeREF+

VREF+

1.5 V or 2.5 V

AVCC

VREF− /

VeREF−

Reference

AVCC

Ref_x

INCHx

SREF1

SREF0

ADC12OSC

AVSS

0000

SREF2

ADC12ON

ADC12SSELx

0001

ADC12DIVx

0010

0011

Sample

VR−

VR+

0100

and

Divider

ACLK

0101

12−bit SAR

0110

Hold

/1 .. /8

MCLK

0111

S/H

Convert

SMCLK

1000

1001

ADC12CLK

1010

BUSY

1011

SHSx

1100

SHT0x

ISSH

1101

SHP

ENC

1110

1111

ADC12SC

Sample Timer

SHI

TA1

/4 .. /1024

Sync

TB0

AVCC

SAMPCON

TB1

SHT1x

MSC

INCHx=0Bh

Ref_x

ADC12MEM0

ADC12MCTL0

CSTARTADDx

CONSEQx

−

16 x 12 Memory Buffer

−

ADC12MEM15

−

16 x 8

Memory

Control

−

ADC12MCTL15

AVSS

ADC12 17-3

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 1. ADC12 Block Diagram

Models: MSP430x1xx

Figure 17−1. ADC12 Block Diagram

MSP430x1xx specifications