Texas Instruments MSP430x1xx manual I2CIE, I2C Interrupt Enable Register

Models: MSP430x1xx

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I2C Module Registers

I2CIE, I2C Interrupt Enable Register

7

6

5

4

3

2

1

0

STTIE

GCIE

TXRDYIE

RXRDYIE

ARDYIE

OAIE

NACKIE

ALIE

rw−0

rw−0

rw−0

rw−0

rw−0

rw−0

rw−0

rw−0

STTIE

Bit 7

START detect interrupt enable

 

 

0

Interrupt disabled

 

 

1

Interrupt enabled

GCIE

Bit 6

General call interrupt enable

 

 

0

Interrupt disabled

 

 

1

Interrupt enabled

TXRDYIE

Bit 5

Transmit ready interrupt enable. When TXDMAEN = 1, TXRDYIE is ignored

 

 

and TXRDYIFG will not generate an interrupt.

 

 

0

Interrupt disabled

 

 

1

Interrupt enabled

RXRDYIE

Bit 4

Receive ready interrupt enable. When RXDMAEN = 1, RXRDYIE is ignored

 

 

and RXRDYIFG will not generate an interrupt.

 

 

0

Interrupt disabled

 

 

1

Interrupt enabled

ARDYIE

Bit 3

Access ready interrupt enable

 

 

0

Interrupt disabled

 

 

1

Interrupt enabled

OAIE

Bit 2

Own address interrupt enable

 

 

0

Interrupt disabled

 

 

1

Interrupt enabled

NACKIE

Bit 1

No acknowledge interrupt enable

 

 

0

Interrupt disabled

 

 

1

Interrupt enabled

ALIE

Bit 0

Arbitration lost interrupt enable

 

 

0

Interrupt disabled

 

 

1

Interrupt enabled

USART Peripheral Interface, I2C Mode

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Page 343
Image 343
Texas Instruments MSP430x1xx manual I2CIE, I2C Interrupt Enable Register

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.