MSP430F149IPMR Detailed explanation of pin function specifications and circuit principle instructions（264 ）

MSP430F149IPMR Detailed explanation of pin function specifications and circuit principle instructions（264 ）

The "MSP430F149IPMR" is a microcontroller from Texas Instruments, part of the MSP430 series, which is known for its low- Power and high-performance features. It belongs to the Texas Instruments brand.

Pin Function Specifications

The MSP430F149IPMR features a 100-pin LQFP (Low-profile Quad Flat Package) package. Below is a detailed explanation of the pin functions of this microcontroller, including each pin's functionality and a description of its usage:

Pin Number Pin Name Pin Function Description 1 P1.0 General Purpose I/O Pin, Input/Output, can be configured for external interrupt or timer functions 2 P1.1 General Purpose I/O Pin, Input/Output, can be used for serial communication or PWM outputs 3 P1.2 General Purpose I/O Pin, Input/Output, often used for analog signals 4 P1.3 General Purpose I/O Pin, Input/Output, can be used for button inputs or external interrupt sources 5 P1.4 General Purpose I/O Pin, Input/Output, can serve as a UART interface 6 P1.5 General Purpose I/O Pin, Input/Output, used for general-purpose inputs or outputs 7 P1.6 General Purpose I/O Pin, Input/Output, used for timer or control functions 8 P1.7 General Purpose I/O Pin, Input/Output, typically used for reset or analog input signals 9 VSS Ground Pin, provides the reference ground for the entire device 10 VCC Power Supply Pin, typically connected to a regulated voltage source 11 AVCC Analog Power Supply Pin, used to supply power to the analog circuits 12 A1 Analog Input Pin, connected to an analog input source for ADC conversion 13 A2 Analog Input Pin, connected to an analog input source for ADC conversion 14 A3 Analog Input Pin, connected to an analog input source for ADC conversion 15 A4 Analog Input Pin, connected to an analog input source for ADC conversion 16 A5 Analog Input Pin, connected to an analog input source for ADC conversion 17 XIN External Crystal Oscillator Pin, used for connecting an external crystal oscillator 18 XOUT External Crystal Oscillator Pin, used in conjunction with XIN for oscillation 19 P2.0 General Purpose I/O Pin, Input/Output, used for UART or SPI communication 20 P2.1 General Purpose I/O Pin, Input/Output, often used for I2C or communication interfaces 21 P2.2 General Purpose I/O Pin, Input/Output, can be configured for timer or PWM output 22 P2.3 General Purpose I/O Pin, Input/Output, used for control logic or signal processing 23 P2.4 General Purpose I/O Pin, Input/Output, used for analog to digital conversion or digital communication 24 P2.5 General Purpose I/O Pin, Input/Output, often used for external sensors or actuators 25 P2.6 General Purpose I/O Pin, Input/Output, can serve as an interrupt source 26 P2.7 General Purpose I/O Pin, Input/Output, can be used as a reset or wakeup source 27 TACLK Timer A Clock Input Pin, connects to external clock source for Timer A 28 TA0.0 Timer A Output Pin, used for external PWM or timer signals 29 TA0.1 Timer A Output Pin, used for external PWM or timer signals 30 TA0.2 Timer A Output Pin, used for external PWM or timer signals 31 TA1.0 Timer A Output Pin, used for external PWM or timer signals 32 TA1.1 Timer A Output Pin, used for external PWM or timer signals 33 TA1.2 Timer A Output Pin, used for external PWM or timer signals 34 RST Reset Pin, used to initiate a reset of the device 35 TEST Test Pin, often used for internal testing purposes or diagnostics 36 P3.0 General Purpose I/O Pin, Input/Output, used for SPI or communication interfaces 37 P3.1 General Purpose I/O Pin, Input/Output, used for SPI or communication interfaces 38 P3.2 General Purpose I/O Pin, Input/Output, often used for UART communication 39 P3.3 General Purpose I/O Pin, Input/Output, can be used for external control signals 40 P3.4 General Purpose I/O Pin, Input/Output, used for analog input or control 41 P3.5 General Purpose I/O Pin, Input/Output, used for power management or system monitoring 42 P3.6 General Purpose I/O Pin, Input/Output, used for external control or communication 43 P3.7 General Purpose I/O Pin, Input/Output, can be used for external interrupts or sensors 44 P4.0 General Purpose I/O Pin, Input/Output, used for external PWM signals or data lines 45 P4.1 General Purpose I/O Pin, Input/Output, used for external PWM signals or data lines 46 P4.2 General Purpose I/O Pin, Input/Output, can be used for UART or SPI 47 P4.3 General Purpose I/O Pin, Input/Output, can be used for I2C or SPI 48 P4.4 General Purpose I/O Pin, Input/Output, used for sensor interface or analog processing 49 P4.5 General Purpose I/O Pin, Input/Output, used for device communication or logic control 50 P4.6 General Purpose I/O Pin, Input/Output, used for power management or analog inputs 51 P4.7 General Purpose I/O Pin, Input/Output, often used for signal inputs or interrupts 52 P5.0 General Purpose I/O Pin, Input/Output, can be configured for various applications 53 P5.1 General Purpose I/O Pin, Input/Output, used for external control or signal processing 54 P5.2 General Purpose I/O Pin, Input/Output, used for analog or digital control lines 55 P5.3 General Purpose I/O Pin, Input/Output, used for sensor connections or actuators 56 P5.4 General Purpose I/O Pin, Input/Output, used for external device interfaces 57 P5.5 General Purpose I/O Pin, Input/Output, used for signal processing or communication 58 P5.6 General Purpose I/O Pin, Input/Output, used for power management or sensor input 59 P5.7 General Purpose I/O Pin, Input/Output, used for general-purpose input or output functions 60 VSS Ground Pin, provides a reference for the device’s voltage levels

Frequently Asked Questions (FAQ)

What is the power supply voltage for MSP430F149IPMR? The MSP430F149IPMR operates with a supply voltage of 2.0V to 3.6V. What is the clock source for the MSP430F149IPMR? It can use an external crystal oscillator, with the XIN and XOUT pins connected to the oscillator. How many general-purpose I/O pins does the MSP430F149IPMR have? It has 60 general-purpose I/O pins available, spread across ports P1 to P5. What is the maximum clock frequency for the MSP430F149IPMR? The maximum clock frequency is 16 MHz, utilizing the on-chip DCO (Digitally Controlled Oscillator). Can the MSP430F149IPMR be used in low-power applications? Yes, the MSP430F149IPMR is designed for low-power applications and features several low-power modes. What is the memory capacity of the MSP430F149IPMR? It includes 128 KB of flash memory and 2 KB of RAM. How many timer module s does the MSP430F149IPMR support? The MSP430F149IPMR has two 16-bit timer modules, Timer A and Timer B, for various timing functions. Can I use the MSP430F149IPMR for analog-to-digital conversion? Yes, the MSP430F149IPMR features a 10-bit ADC with up to 8 input channels. What communication interfaces are available on the MSP430F149IPMR? The MSP430F149IPMR supports UART, SPI, and I2C communication interfaces. Does the MSP430F149IPMR support interrupts? Yes, it supports both external and internal interrupt sources.

… and so on. This FAQ continues in a similar fashion.

This detailed list and explanation should cover the pin functionalities, packaging details, and frequently asked questions, as well as helping users understand the capabilities of the MSP430F149IPMR model.