Texas Instruments MSP430F436IPNR

Overview

MSP430F436IPNR from Texas Instruments is an ultralow-power 16-bit mixed-signal microcontroller featuring 24KB+256B flash memory, 1KB 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 and display systems.

For engineers reviewing the MSP430F436IPNR datasheet, MSP430F436IPNR pinout, MSP430F436IPNR application, or MSP430F436IPNR equivalent, key selection criteria include supply voltage range (1.8–3.6 V), active-mode current (280 µA at 1 MHz), wake-up time (<6 µs), LCD segment count support, and ADC channel count (8-channel, <10 µs conversion).

Technical Context

The MSP430F436IPNR implements a 16-bit RISC CPU with constant generators and a digitally controlled oscillator (DCO), enabling sub-6-µs wake-up from standby mode. Its architecture supports five power-saving modes optimized for extended battery life in sensor and metering applications.

It integrates analog peripherals including a 12-bit ADC with sample-and-hold and autoscan, on-chip comparator, and programmable supply voltage supervisor with brownout detection - all operating within the same 1.8–3.6 V supply rail as the digital core.

Key Specifications

Pinout & Package

Package: 80-pin plastic QFP (PN), RoHS-compliant, surface-mount, 12 × 12 mm body size with 0.5 mm pitch.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSP430F437IPNR, MSP430F436IPNR offers optimal balance of code space and cost for mid-complexity metering; compared with MSP430F435IPNR, it provides headroom for future feature expansion while retaining identical peripheral functionality and package compatibility.

Availability

MSP430F436IPNR is available at Aetrix Electronics and suitable for smart energy meters, portable medical devices, industrial sensor nodes, and wireless remote terminals requiring stable component supply across long production lifecycles.

Supply support for MSP430F436IPNR 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 for industrial, automotive, and consumer markets.

The MSP430x43x family targets ultra-low-power portable instrumentation and display applications, emphasizing extended battery life, integrated analog peripherals, and LCD support for compact, self-contained measurement systems.

FAQ

What is the maximum operating frequency of the MSP430F436IPNR?

The MSP430F436IPNR supports a maximum system clock (MCLK) frequency of 8 MHz using the FLL+ module with XT2 oscillator. Its 125-ns instruction cycle time corresponds to a 8-MHz CPU clock, and all peripherals-including ADC, timers, and USARTs-are fully functional at this rate. The DCO can be calibrated to maintain timing accuracy across voltage and temperature variations.

Does the MSP430F436IPNR include a hardware ADC reference?

Yes, the MSP430F436IPNR includes an internal 1.5-V reference for the 12-bit ADC, eliminating the need for external reference components in most applications. It also supports external reference inputs (VeREF+, VREF−) and allows selection between internal and external sources via ADC12CTL0 register settings. This flexibility enables high-precision measurements across varying supply conditions.

How many LCD segments does the MSP430F436IPNR support, and what bias configurations are available?

The MSP430F436IPNR supports up to 160 LCD segments with 1/2, 1/3, or 1/4 bias and 1–4 multiplexing. Its integrated LCD controller drives common outputs (COM0–COM3) and segment outputs (S0–S39 plus dedicated pins), enabling direct connection to alphanumeric or custom segment displays without external drivers. Bias voltage generation is handled internally using the R03–R33 pins for resistor-divider networks.

Is the MSP430F436IPNR pin-compatible with other devices in the MSP430x43x family?

Yes, the MSP430F436IPNR is pin-compatible with MSP430F435IPNR and MSP430F437IPNR in the same 80-pin QFP (PN) package. All share identical pin assignments, electrical characteristics, and peripheral mapping - allowing drop-in replacement based on flash/RAM requirements without PCB redesign. This compatibility simplifies platform scaling across product tiers.

What development tools are supported for the MSP430F436IPNR?

The MSP430F436IPNR is supported by TI's MSP-FET430UIF (USB JTAG programmer/debugger), MSP-TS430PZ100 target board (for PZ-package evaluation), and Code Composer Studio IDE with full C/C++ toolchain and MSP430Ware peripheral driver libraries. Its Embedded Emulation Module (EEM) enables real-time debugging, flash breakpoints, and low-power mode profiling - critical for optimizing battery life in final applications.