Texas Instruments MSP430FR6888IPZ

Overview

MSP430FR6888IPZ from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller featuring 128KB ferroelectric RAM (FRAM), 2KB SRAM, integrated 12-bit ADC with 16 external inputs, LCD controller for up to 320 segments, and dual eUSCI modules supporting UART, SPI, and I²C. It operates from 1.8 V to 3.6 V and targets battery-powered metering applications requiring long-term data retention and low active/standby current.

For engineers reviewing the MSP430FR6888IPZ datasheet, MSP430FR6888IPZ pinout, MSP430FR6888IPZ application, or MSP430FR6888IPZ equivalent, key selection criteria include FRAM endurance (10¹⁵ write cycles), RTC with calendar/alarm in LPM3.5 (0.35 µA), capacitive touch I/O on all ports P1–P10/PJ, and 100-pin LQFP package compatibility with MSP430FR6879IPZ-based designs.

Technical Context

The MSP430FR6888IPZ implements the CPUXV2 core with 16 registers and supports seven low-power modes optimized for energy-constrained systems. Its FRAM memory architecture enables byte-level writes without erase cycles and eliminates flash wear-out concerns in frequent logging scenarios.

Peripherals include three 16-bit Timer_A modules (TA0/TA1/TA3), two Timer_B modules (TB0/TB1), 32-bit hardware multiplier, three-channel DMA, CRC16/CRC32 engines, and dual eUSCI_A/eUSCI_B modules-each configurable for UART, SPI, or I²C-with hardware bootloader support.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (PZ), 14 mm × 14 mm body size, 0.5 mm pitch, exposed thermal pad (not electrically connected).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MSP430FR6879IPZ, the MSP430FR6888IPZ offers identical low-power performance and peripheral integration but is specifically validated for I²C BSL use cases; versus MSP430FR6889IPZ, it trades AES and doubled FRAM for lower unit cost in cost-sensitive utility meter designs.

Availability

MSP430FR6888IPZ is available at Aetrix Electronics and suitable for water metering, heat cost allocation, and portable medical metering requiring stable component supply, long-term FRAM reliability, and TI-qualified industrial temperature grade (-40°C to 85°C).

Supply support for MSP430FR6888IPZ 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 company headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and consumer markets since 1930.

The MSP430FR68xx family is designed for ultra-low-power metering and sensing applications, combining FRAM nonvolatility, precision analog, and intelligent peripherals to extend battery life while enabling robust data integrity in harsh environments.

FAQ

What is the maximum operating frequency of the MSP430FR6888IPZ?

The MSP430FR6888IPZ supports a maximum system clock frequency of 16 MHz using the DCO or external HFXT oscillator. This allows real-time processing of sensor data and communication protocols while maintaining ultra-low-power operation in active mode (~100 µA/MHz). The device also supports lower-frequency clocks (e.g., 32 kHz LFXT for RTC) to minimize power in standby states.

Does the MSP430FR6888IPZ support hardware encryption?

No, the MSP430FR6888IPZ does not include a hardware AES accelerator. That feature is present in the higher-tier MSP430FR6889IPZ variant. The MSP430FR6888IPZ relies on software-based cryptographic libraries for encryption tasks, which is sufficient for basic secure boot and data-at-rest protection in utility metering applications.

Can the MSP430FR6888IPZ drive a 4-mux LCD display?

Yes, the MSP430FR6888IPZ integrates the LCD_C peripheral capable of driving up to 320 segments in static, 2-, 3-, 4-, 6-, or 8-mux configurations. Its dedicated LCD charge pump and software-controllable contrast control allow direct interface to standard 4-mux segmented displays used in heat meters and portable instruments without external bias circuitry.

What debug interface does the MSP430FR6888IPZ use?

The MSP430FR6888IPZ supports both JTAG and Spy-Bi-Wire (SBW) debug interfaces via the PJ.0–PJ.3 pins. SBW is the default production-debug interface, requiring only two pins (SBWTCK and SBWTDIO) for full programming, erasing, and real-time debugging - reducing test point count and simplifying PCB layout in space-constrained meter designs.

Is the MSP430FR6888IPZ pin-compatible with other MSP430FR68xx devices?

Yes, the MSP430FR6888IPZ in the 100-pin LQFP (PZ) package shares identical pinout and electrical characteristics with MSP430FR6879IPZ and MSP430FR6889IPZ. All three support the same peripheral mappings, power domains, and thermal specifications, enabling hardware reuse across product variants with only firmware and BSL configuration differences.