The MSP430F135IPMR is a low-power microcontroller (MCU) produced by Texas Instruments. It is a member of the MSP430 series, which has ultra-low power consumption and powerful processing capabilities. MSP430F135IPMR has a variety of peripheral interfaces and is suitable for various applications, such as sensor interface, analog signal processing, PWM control, UART communication, etc. Due to its low power consumption, the MSP430F135IPMR is particularly suitable for battery-powered applications such as portable instruments, wireless sensor networks, etc.

 

 

Ⅰ.Specification parameters of MSP430F135IPMR

•Number of pins:64
•Core:MSP430
•Package:Reel
•Height:1.4 mm
•Length:10 mm
•Width:10 mm
•Humidity Sensitivity:Yes
•Processor Series:1 Series
•ADC resolution:12 bit
•Data Rom type:Flash
•Program memory size:16 kB
•Data RAM size:512 B
•Package/Case:LQFP-64
•Maximum clock frequency:8 MHz
•Supply voltage-Minimum:1.8 V
•Supply voltag -Max:3.6 V
•Installation style:SMD/SMT
•Data bus width:16 bit
•Minimum operating temperature:-40℃
•Maximum operating temperature:+85℃
•Data ROM size:256 B
•Number of ADC channels:8 Channel
•Data converter:A/D 8x12b
•Number of input/output terminals:48 I/O
•Number of timers/counters:2 Timer
•Connectivity:SPI, UART/USART
•Product category:16-bit microcontroller-MCU

Ⅱ.Architecture and performance characteristics of MSP430F135IPMR

1.Processor architecture:
16-bit RISC architecture: In the MSP430F135IPMR, due to the RISC architecture, its CPU can run at a lower clock frequency, thus greatly reducing power consumption. In addition, the MCU also has some special hardware accelerators, such as multipliers, hardware modulators, etc. These hardware accelerators can further increase the computing speed and reduce the load on the CPU.

2.Main frequency:
Variable main frequency: Integrated variable main frequency clock system, allowing developers to flexibly adjust the main frequency in different application scenarios to balance performance and power consumption requirements.

3.Communication interface:
SPI: Provides a serial peripheral interface for high-speed serial communication.
I2C: Provides I2C communication interface for connecting multiple devices to achieve simple serial communication.
UART: Provides a serial communication interface to support asynchronous serial communication with other devices and modules.

4.Memory capacity:
RAM: Integrated RAM for storing temporary data.
Flash memory: contains a certain capacity of Flash memory for storing program code.

5.Low power consumption design:
Multiple low-power modes: Supports multiple low-power modes, including sleep mode, standby mode, etc., to minimize power consumption and is suitable for long-running battery-powered applications.

6.Security and Protection Features:
Hardware security features: May have hardware-level security features to protect the system from potential threats.

 

Ⅲ.Enablement of MSP430F135IPMR

•CPU disabled

•Disable ACLK

•ACLK remains active

•Low Power Mode 3 (LPM3)

•Low Power Mode 4 (LPM4)

•MCLK and SMCLK are disabled

•Crystal oscillator stopped

•Disable DCO DC generator

•ACLK remains active

Ⅳ.Absolute Maximum Ratings of MSP430F135IPMR
over operating free-air temperature range (unless otherwise noted)

 

Ⅴ.Recommended Operating Conditions
Typical values are specified at VCC=3.3V and TA=25°C (unless otherwise noted)

 

Ⅵ.Startup mode type of MSP430F135IPMR

1.High-frequency transmission mode: In this mode, the wireless communication module can be driven by the high-frequency transmitter module, which is suitable for applications that require radio frequency communication.

2.Low-frequency transmit mode: similar to high-frequency transmit mode, but suitable for low-frequency transmitter modules.

3.LFXT1CLK startup mode: In this mode, the microcontroller uses a low-frequency external crystal oscillator (LFXT1CLK) as the clock source. This mode is typically used in applications that require lower power consumption or require lower clock frequencies.

4.Main clock system startup mode: In this mode, the microcontroller uses the main clock system (MCLK) to run. This is a general startup mode suitable for most application scenarios.

5.DCOCLK startup mode: In this mode, the microcontroller uses the internal digitally controlled oscillator (DCO) as the clock source. The DCO is a programmable oscillator that allows the clock frequency to be dynamically adjusted at runtime. This mode is suitable for applications that require flexible adjustment of clock frequency.

How to select and apply different startup modes?
 

1.Clock accuracy: You need to choose an external crystal oscillator or high-frequency transmission mode to ensure the stability of the system clock.

2.Power consumption requirements: If the application is very sensitive to power consumption, you can consider selecting a low-power startup mode, such as the LFXT1CLK startup mode.

3.Flexibility: If you need to dynamically adjust the clock frequency at runtime, you can choose DCOCLK startup mode.

4.Communication requirements: If the application requires radio frequency communication, the corresponding high-frequency or low-frequency transmission mode can be selected.

 

Ⅶ.Application fields of MSP430F135IPMR

1.Embedded systems: MSP430F135IPMR is widely used in embedded systems. An embedded system is a dedicated computer system that is usually embedded in non-computer devices to implement specific functions or control certain devices. In various portable devices, such as smart watches, health monitors, etc., the MSP430F135IPMR's low-power mode enables it to significantly extend battery life while the device is running. At the same time, its flexible clocking system can be configured according to the needs of the application, enabling efficient system performance and power management. In embedded control systems, MSP430F135IPMR can be used as the main controller to process and control various sensor data. In embedded sensing applications, MSP430F135IPMR can collect and process various analog signals through its built-in ADC (analog-to-digital converter).

2.Sensor network: A sensor network is a network composed of multiple sensor nodes. These nodes can collect various environmental parameters (such as temperature, humidity, pressure, etc.) and transmit the data to a central node or control center through wireless communication technology. Since sensor nodes are usually powered by batteries, low power consumption is critical to extend node life and reduce maintenance costs. The low-power mode of MSP430F135IPMR enables it to significantly reduce power consumption when running on a sensor node for a long time, thus extending the battery life of the node. In addition, the MCU also has rich peripheral interfaces and can directly interface with various sensors to achieve fast and accurate data collection.

3.Instruments and measuring equipment: MSP430F135IPMR performs well in real-time control and data acquisition, so it is suitable for the design of instruments and measuring equipment.

•In terms of real-time control, MSP430F135IPMR can be used as the core of the controller to accurately control various parts of the instrument or equipment. For example, in laboratory automation equipment, the MCU can control the movement of robotic arms, the opening and closing of valves, etc., to achieve precise and fast control.

•In terms of data acquisition, the ADC (analog-to-digital converter) of MSP430F135IPMR can collect various analog signals at high speed and with high precision. Coupled with its low power consumption characteristics, this MCU can continuously collect data for a long time, providing important data support for scientific experiments, industrial monitoring and other fields.

4.Automatic control system: MSP430F135IPMR can be used to design and implement automatic control systems, such as temperature control, lighting systems, home automation, etc.

•In terms of temperature control, MSP430F135IPMR can monitor temperature changes in real time by interfacing with a temperature sensor and automatically adjust according to the set temperature threshold. For example, in a smart air conditioning system, the MCU can control functions such as refrigeration, heating, and ventilation to achieve automatic adjustment of indoor temperature.

•In lighting systems, MSP430F135IPMR can automatically adjust lighting brightness according to the intensity of ambient light by interfacing with photosensitive sensors and LED drivers. This automatic adjustment function can effectively save energy and improve lighting quality.
•In the field of smart home, MSP430F135IPMR can be used as a controller for home equipment to realize various automation functions. For example, by interfacing with door and window sensors, human body sensors, etc., the MCU can automatically control the switches of lighting, air conditioning, curtains and other equipment in the home.

5.Portable devices: Since MSP430F135IPMR has higher energy efficiency when running in low-power mode, it is suitable for portable devices, such as handheld instruments, portable medical equipment, etc.

•In handheld instruments, MSP430F135IPMR can be used as the main controller to achieve long-term battery life through its low power consumption mode. For example, in fields such as geological exploration and environmental monitoring, handheld devices need to run for a long time and process large amounts of data. The low power consumption characteristics of MSP430F135IPMR can meet these requirements.

•In portable medical equipment, such as portable electrocardiographs, blood glucose meters, etc., the low power consumption mode of MSP430F135IPMR can ensure that the equipment still has sufficient power during long-term use. At the same time, the MCU can also interface with various medical sensors to quickly and accurately collect and process physiological data.

6.Battery-powered applications: Due to its low power consumption characteristics, MSP430F135IPMR is often used in battery-powered applications to extend the running time of the device on the battery. In addition, MSP430F135IPMR also supports various low-power modes and wake-up mechanisms, such as RTC (real-time clock) wake-up, external interrupt wake-up, etc.

7.Radio frequency communication application: MSP430F135IPMR has a rich set of peripheral interfaces, including UART, SPI, etc., which can communicate with the radio frequency module. By configuring and controlling the radio frequency module, the MCU can send and receive data. In RF communication applications, the low power consumption characteristics of MSP430F135IPMR are also important. In some devices, such as nodes in wireless sensor networks, the MCU needs to run for a long time and the battery power is limited.

Frequently Asked Questions

1.How does MSP430F135IPMR handle high-frequency and low-frequency launch modes?
MSP430F135IPMR supports high-frequency and low-frequency launch modes, which are utilized for RF communication applications, providing flexibility based on communication needs.

2.What is the architecture of the MSP430F135IPMR?
The MSP430F135IPMR features a 16-bit RISC architecture, providing a balance between performance and power efficiency.

3.What are the features of MSP430F135IPMR in terms of low power consumption?
It has a variety of low-power modes, automatic control, low-power clock module, clock system optimization, low-power clock oscillator, interrupt wake-up, fast wake-up, current monitoring and other features.