MSP430F233TPM
MSP430F233TPM - 16MHz 16-Bit Ultra-Low-Power MCU | Texas Instruments
Texas Instruments MSP430F233TPM is a 16-bit ultra-low-power mixed-signal microcontroller with a 16 MHz MSP430 RISC CPU, 8 KB Flash memory, 1 KB SRAM, a 12-bit ADC, comparator, hardware multiplier, and I2C, SPI, and UART connectivity. The device operates from a 1.8 V to 3.6 V supply and is housed in a 64-pin LQFP (PM) package for industrial, embedded, IoT, metering, motor-control, and portable measurement applications.
A microcontroller is a compact embedded-computer system that combines a CPU, memory, peripheral interfaces, and power-management functions on one integrated circuit. The MSP430 belongs to the mixed-signal microcontroller category, which extends the general embedded MCU hierarchy with analog conversion and comparison functions. Its 16-bit RISC architecture uses 16-bit registers and constant generators, while five low-power modes and fast standby wake-up support battery-powered and energy-conscious designs.
The MSP430F233 combines 8 KB Flash with 1 KB SRAM and a maximum clock frequency of 16 MHz. Its 12-bit ADC enables analog measurement, and the integrated comparator supports thresholding and basic signal conditioning. Four USCI modules provide serial connectivity for I2C, SPI, and UART configurations. Two 16-bit timers support timing, capture, compare, and periodic event generation, making the device useful for sensor acquisition, industrial control, and compact embedded measurement systems.
The MSP430F23x family is designed around a mixed-signal architecture and low-power operation. The FLL+ frequency-locked-loop system supports clock control, while the CPU provides a 125 ns instruction cycle at 16 MHz according to the family technical description. The device can operate across multiple low-power states, including standby and RAM-retention off modes, allowing firmware to reduce activity when the application does not require continuous processing.
Typical uses include low-power sensor nodes, battery-operated instrumentation, industrial meters, building-control endpoints, compact motor-control interfaces, and connected IoT devices. The 12-bit ADC is useful for battery, temperature, potentiometer, and analog sensor interfaces, while USCI peripherals simplify communication with external sensors, displays, transceivers, and data loggers. The LQFP package provides accessible leads and is suitable for through-hole assembly or conventional board-level manufacturing processes.
Designers should pay attention to the 1.8 V to 3.6 V supply range, peripheral pin multiplexing, clock configuration, and low-power state transitions. Place decoupling capacitors close to the supply pins, follow the pin-description table in the manufacturer datasheet when allocating I/O, and confirm the ADC input range and accuracy requirements for the selected operating conditions. For battery systems, account for standby and wake-up current alongside active-mode consumption.
This product page combines manufacturer device information, verified distributor listings, package and ordering details, application guidance, comparison parameters, and practical design notes. It is intended to help engineers identify the correct MSP430F233TPM configuration, plan PCB and firmware changes, and assess replacement options without overlooking the distinction between electrical equivalence and true pin-to-pin drop-in compatibility.
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