Overview
The Texas Instruments MSP430F1232 is a member of the MSP430 family of ultralow-power microcontrollers. This device is designed to optimize power consumption, making it ideal for applications requiring extended battery life, particularly in portable measurement devices. The MSP430F1232 features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. It also includes a digitally controlled oscillator (DCO) that enables quick wake-up from low-power modes to active mode in less than 6 µs.
Key Specifications
| Specification | Value |
|---|---|
| Supply Voltage Range | 1.8 V – 3.6 V |
| Power Consumption | Active Mode: 200 µA at 1 MHz, 2.2 V Standby Mode: 0.7 µA Off Mode (RAM Retention): 0.1 µA |
| Power Saving Modes | Five power saving modes |
| Wake-Up Time | Less than 6 µs from standby mode |
| Architecture | 16-Bit RISC, 125 ns instruction cycle time |
| Flash Memory | 8 KB + 256 B |
| RAM | 256 B |
| Timer | 16-Bit Timer_A with three capture/compare registers |
| A/D Converter | 10-Bit, 200-ksps with internal reference, sample-and-hold, autoscan, and data transfer controller |
| Communication Interface | USART with software-selectable asynchronous UART or synchronous SPI |
| Packages | 28-Pin Plastic SOWB, 28-Pin Plastic TSSOP, and 32-Pin QFN |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Low supply voltage range of 1.8 V to 3.6 V
- Ultralow-power consumption with five power saving modes
- Quick wake-up from standby mode in less than 6 µs
- 16-Bit RISC architecture with 125 ns instruction cycle time
- Basic clock module configurations including various internal resistors, single external resistor, 32-kHz crystal, high frequency crystal, resonator, and external clock source
- 16-Bit Timer_A with three capture/compare registers
- 10-Bit A/D converter with internal reference, sample-and-hold, autoscan, and data transfer controller
- Serial communication interface (USART) with software-selectable asynchronous UART or synchronous SPI
- Serial onboard programming with no external programming voltage needed and programmable code protection by security fuse
- Supply voltage brownout protection
Applications
The MSP430F1232 is suitable for various applications that require low power consumption and high performance. Some key application areas include:
- Portable measurement applications to achieve extended battery life
- Digital signal processing such as glass breakage detection with signal analysis (including wave digital filter algorithm)
- Stand-alone RF sensors
- General-purpose embedded systems requiring low power and high efficiency
Q & A
- What is the supply voltage range of the MSP430F1232?
The supply voltage range is 1.8 V to 3.6 V.
- How much power does the MSP430F1232 consume in active mode?
In active mode, it consumes 200 µA at 1 MHz, 2.2 V.
- What are the power saving modes available in the MSP430F1232?
The device has five power saving modes.
- How quickly can the MSP430F1232 wake up from standby mode?
It can wake up from standby mode in less than 6 µs.
- What type of architecture does the MSP430F1232 use?
The device uses a 16-Bit RISC architecture with a 125 ns instruction cycle time.
- How much flash memory and RAM does the MSP430F1232 have?
The device has 8 KB of flash memory and 256 B of RAM.
- What types of communication interfaces are available on the MSP430F1232?
The device features a USART with software-selectable asynchronous UART or synchronous SPI.
- What are the available package options for the MSP430F1232?
The device is available in 28-Pin Plastic SOWB, 28-Pin Plastic TSSOP, and 32-Pin QFN packages.
- What is the operating temperature range of the MSP430F1232?
The operating temperature range is -40°C to 85°C.
- What are some typical applications for the MSP430F1232?
Typical applications include portable measurement devices, digital signal processing, stand-alone RF sensors, and general-purpose embedded systems.
