MSP430F1232CY
MSP430F1232CY - 8MHz 16-Bit MCU with 8KB Flash | Texas Instruments
The Texas Instruments MSP430F1232CY is an 8 MHz, 16-bit RISC mixed-signal microcontroller with 8 KB of Flash memory, 256 bytes of SRAM, a 10-bit ADC, a 16-bit timer, UART, and SPI in a bare-die package. It is designed for compact embedded systems that require measurement and serial communication without the overhead of a larger general-purpose microcontroller.
An ultra-low-power mixed-signal microcontroller combines a processor, analog conversion functions, timers, digital I/O, and communication peripherals in one device. The MSP430 architecture belongs to the microcontroller hierarchy and combines a 16-bit RISC core, on-chip nonvolatile memory, RAM, and mixed-signal peripherals. This integration allows a product to measure an analog input, process it locally, and communicate the result through UART or SPI without requiring several separate integrated circuits.
The MSP430F1232CY operates at up to 8 MHz and provides 8 KB of Flash plus 256 bytes of SRAM. Its mixed-signal resources include a built-in 10-bit analog-to-digital converter with an integrated reference and a data transfer controller, alongside a 16-bit timer. The x12x2 family also supports asynchronous UART and synchronous SPI communication, making the device appropriate for sensor interfaces, compact instruments, industrial controls, and battery-powered embedded products.
Power efficiency is central to the MSP430 architecture. The manufacturer describes a low supply range of 1.8 V to 3.6 V, active current of 200 µA at 1 MHz and 2.2 V, standby current of 0.7 µA, and off-mode RAM-retention current of 0.1 µA. Five power-saving modes allow the processor to remain responsive while limiting consumption during inactive periods. Wake-up from standby occurs in less than 6 µs, supporting duty-cycled measurement and control systems.
Typical applications include low-power sensor nodes, portable measurement instruments, simple data loggers, industrial condition-monitoring equipment, and compact control panels. The ADC supports direct acquisition of analog signals, while UART or SPI provides connectivity to sensors, displays, memory, or a host controller. The 256-byte SRAM places a clear limit on buffering, so applications should use the Flash program memory and external storage intelligently.
Because MSP430F1232CY is offered as die-sale product, board designers must address bare-die handling, die attach, interconnect, inspection, and board-layout requirements before production. A bare die does not provide a conventional lead-frame or molded package, so the physical footprint, pin map, and assembly process cannot be treated like a standard TSSOP or QFP device.
This page organizes the manufacturer's core MCU specifications, interface and memory details, purchasing path, and practical design considerations. It also distinguishes the die-sale MSP430F1232CY from packaged MSP430F1232 variants, helping engineers determine whether the part suits their assembly process before committing a board design to it.
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