Texas Instruments MSP430F435IPZ

Overview

MSP430F435IPZ from Texas Instruments is an ultralow-power 16-bit mixed-signal microcontroller featuring 16 KB + 256 B Flash, 512 B RAM, integrated 12-bit ADC with internal reference, dual 16-bit timers (Timer_A3 and Timer_B3), two USARTs, LCD driver for up to 160 segments, and hardware multiplier-designed for battery-powered portable measurement systems requiring analog capture, digital processing, and LCD display.

For engineers reviewing the MSP430F435IPZ datasheet, MSP430F435IPZ pinout, MSP430F435IPZ application, or MSP430F435IPZ equivalent, key selection considerations include its 100-pin QFP package, 1.8–3.6 V supply range, <6 µs wake-up from standby, 12-bit ADC performance, and LCD segment drive capability in space-constrained industrial and handheld metering designs.

Technical Context

The MSP430F435IPZ implements a 16-bit RISC CPU with constant generators and a digitally controlled oscillator (DCO) enabling sub-6 µs active-mode wake-up. Its peripheral set includes a 12-bit ADC with sample-and-hold and autoscan, two independent 16-bit timers with capture/compare registers and shadow registers, and dual USART modules configurable as UART or SPI.

It integrates an on-chip LCD controller supporting static to 4-mux configurations (up to 160 segments), programmable supply voltage supervisor with adjustable threshold, brownout detection, and JTAG-based debugging via TCK/TMS/TDO/TDI pins-optimized for low-energy sensor interface and display control in embedded instrumentation.

Key Specifications

Pinout & Package

Package: 100-pin plastic quad flat pack (PZ), 14 × 14 mm body, 0.5 mm pitch, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar mixed-signal microcontroller applications.

Compared with MSP430F435IPZ, MSP430F437IPZ offers double Flash and double RAM while maintaining identical peripheral functionality and pin compatibility-ideal for firmware growth; MSP430F449IPZ adds significantly more memory and expanded Timer_B resources but requires layout review due to increased peripheral routing complexity.

Availability

MSP430F435IPZ is available at Aetrix Electronics and suitable for handheld meters, portable gas detectors, industrial panel meters, smart thermostats, and battery-powered instrumentation requiring stable component supply across long production lifecycles.

Supply support for MSP430F435IPZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions with emphasis on power efficiency and system integration.

The MSP430x43x family-including MSP430F435IPZ-is designed for ultralow-power mixed-signal applications where extended battery life, integrated analog front-end, and LCD display capability are critical-targeting portable instrumentation, metering, and industrial HMI.

FAQ

What is the maximum operating frequency of the MSP430F435IPZ?

The MSP430F435IPZ operates at up to 8 MHz using its integrated digitally controlled oscillator (DCO). The 125-ns instruction cycle time corresponds to this 8-MHz CPU clock, and the device supports external crystal oscillators (XT1 and XT2) for precise timing in real-time applications. All timing-critical peripherals-including the 12-bit ADC and timers-are synchronized to this clock domain, and the MSP430F435IPZ maintains full functionality across its 1.8–3.6 V supply range at this frequency.

Does the MSP430F435IPZ include an integrated ADC, and what are its key specifications?

Yes, the MSP430F435IPZ includes a 12-bit successive-approximation register (SAR) ADC with internal reference, sample-and-hold, and autoscan capability. It supports up to eight analog input channels (A0–A7), achieves <10 µs conversion time, and provides configurable resolution, sampling rate, and reference source (internal or external). The ADC is fully integrated into the MSP430F435IPZ silicon and shares no functional dependency on external components for basic operation.

What LCD configurations does the MSP430F435IPZ support, and how many segments can it drive?

The MSP430F435IPZ supports static, 2-mux, 3-mux, and 4-mux LCD configurations with programmable bias and frame frequency. It drives up to 160 segments using four commons (COM0–COM3) and 40 segment lines (S0–S39), enabling alphanumeric displays, bar graphs, and custom icons. The LCD controller is integrated directly into the MSP430F435IPZ die and requires no external drivers or timing circuitry-reducing bill-of-materials cost and PCB area.

Is the MSP430F435IPZ pin-compatible with other devices in the MSP430x43x family?

Yes, the MSP430F435IPZ is pin-compatible with MSP430F436IPZ and MSP430F437IPZ in the same 100-pin PZ package. All share identical pin functions, electrical characteristics, and peripheral mapping-including ADC inputs, timer I/O, USART signals, and LCD segment/commons. This allows direct hardware reuse across variants when upgrading Flash/RAM capacity without PCB redesign.

What development tools are supported for programming and debugging the MSP430F435IPZ?

The MSP430F435IPZ is supported by Texas Instruments' MSP-FET430UIF (USB JTAG emulator), MSP-FET430U100 (target board with PZ socket), and MSP-TS430PZ100 (stand-alone target board). These tools provide full JTAG access to the MSP430F435IPZ's Embedded Emulation Module (EEM) for flash programming, real-time debugging, and breakpoint execution-enabling rapid firmware validation and low-level peripheral testing.