MSP430FR6989IPZ - 16-bit ULP FRAM MCU 128KB | TI LQFP-100
MPN: MSP430FR6989IPZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.45 | $7.45 |
| 10 | $6.71 | $67.10 |
| 100 | $5.85 | $585.00 |
| 500 | $5.3 | $2,650.00 |
| 1,000 | $4.56 | $4,560.00 |
MSP430FR6989IPZ Overview
An FRAM-based microcontroller is a mixed-signal MCU whose non-volatile memory uses Ferroelectric RAM rather than flash. FRAM delivers nearly unlimited write endurance (roughly 100x more than flash), faster unified-memory writes at low energy, and a simpler software model because code and data share one address space. The MSP430 FRAM platform combines this memory with TI's holistic ultra-low-power system architecture, allowing designers to log data or run frequent writes without the wear-budget anxiety associated with flash. In the broader hierarchy, this device is a microcontroller -> embedded MCU -> mixed-signal SoC -> semiconductor.
Key specifications include 128 KB of non-volatile FRAM, 2 KB of information FRAM, 16 KB of SRAM, a 12-bit SAR ADC with up to 16 channels, four 16-bit timers, up to 83 GPIO pins, a real-time clock, and a 320-segment LCD driver. The integrated extended scan interface is purpose-built for liquid flow-meter rotary sensing, while the AES-128 hardware accelerator supports encrypted metering and secure connectivity.
The MSP430FR6989IPZ leverages TI's MSP430 CPUXV2 architecture with active current of approximately 118 uA/MHz and standby current under 1 uA with RTC retention, enabling multi-year battery life in metering and sensor applications. The unified FRAM memory can be partitioned at runtime between code and data, simplifying field firmware updates and over-the-air data logging. Built-in BSL and JTAG/SBW interfaces simplify in-system programming.
Typical applications include water, heat, and gas flow meters with rotary sensing, portable medical and industrial sensor loggers, secure battery-powered IoT endpoints, e-paper / LCD human-machine interfaces, and energy-harvesting wireless sensor nodes where its ultra-low-power modes and FRAM endurance deliver measurable system-level advantages.
When designing with this MCU, allocate the FRAM memory between code and data carefully - because writes are nearly instantaneous and unlimited, data-logging applications can reserve large blocks for circular buffers, but be sure to budget enough FRAM for firmware images so that in-field updates remain possible.
This page synthesizes distributor pricing, parametric alternatives, and practical design guidance that are not aggregated on any single manufacturer or distributor datasheet page.
Drop-in alternatives for MSP430FR6989IPZ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MSP430FR6989IPZR
✅ Drop-In📋 Reference alternative (not in catalog)
MSP430FR5994IPZ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MSP430FR5992IPZ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MSP430FR6972IPZ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MSP430FR5969IPZ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MSP430FR69891IPZ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MSP430FR6989IPZ Maximum Ratings & Electrical Characteristics
| Core Architecture | MSP430 16-bit CPUXV2 |
| Maximum Clock Frequency | 16 MHz |
| Program Memory / FRAM | 128 KB (128K x 8) |
| Information FRAM | 2 KB |
| SRAM | 16 KB |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Active Current (typ.) | 118 uA/MHz at 8 MHz |
| Standby Current (RTC retained) | < 1 uA |
| ADC | 12-bit SAR, up to 16 channels |
| Timers | 4 x 16-bit |
| GPIO Count | Up to 83 |
| Communication Interfaces | UART, SPI, I2C, USB |
| Special Features | AES-128 hardware accelerator, Extended Scan Interface (ESI), LCD driver up to 320 segments |
| Operating Temperature | -40 C to +85 C (industrial) |
| Package | LQFP-100 (PZ) 14x14 mm |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
MSP430FR6989IPZ Pin Configuration
| Pin 1 | P1.0/TA0.0/A0/CA0 — General-purpose I/O with timer, ADC, and LCD functions |
| Pin 2 | P1.1/TA0.0/A1/CA1 — General-purpose I/O with timer, ADC, and LCD functions |
| Pin 3 | P1.2/TA0.1/A2/CA2 — General-purpose I/O with timer, ADC, and LCD functions |
| Pin 4 | P1.3/TA0.1/A3/CA3 — General-purpose I/O with timer, ADC, and LCD functions |
| Pin 5 | P1.4/TA0.0/A4/CA4/ACLK — General-purpose I/O with timer, ADC, LCD, and ACLK output |
| Pin 6 | P1.5/TA0.0/A5/CA5 — General-purpose I/O with timer, ADC, and LCD functions |
| Pin 7 | P1.6/TA0.1/A6/CA6 — General-purpose I/O with timer, ADC, and LCD functions |
| Pin 8 | P1.7/TA0.1/A7/CA7 — General-purpose I/O with timer, ADC, and LCD functions |
| Pin 9 | P2.0/RTCCLK/CA8 — General-purpose I/O with RTC clock and LCD function |
| Pin 10 | P2.1/TAINCLK/SMCLK/CA9 — General-purpose I/O with timer, SMCLK, and LCD function |
| Pin 11 | P2.2/TA0CLK/CA10 — General-purpose I/O with timer and LCD function |
| Pin 12 | P2.3/CA11 — General-purpose I/O with LCD function |
| Pin 13 | P2.4/CA12 — General-purpose I/O with LCD function |
| Pin 14 | P2.5/CA13 — General-purpose I/O with LCD function |
| Pin 15 | P2.6/CA14 — General-purpose I/O with LCD function |
| Pin 16 | P2.7/CA15 — General-purpose I/O with LCD function |
| Pin 17 | P3.0/CA16 — General-purpose I/O with LCD function |
| Pin 18 | P3.1/CA17 — General-purpose I/O with LCD function |
| Pin 19 | P3.2/CA18 — General-purpose I/O with LCD function |
| Pin 20 | P3.3/CA19 — General-purpose I/O with LCD function |
| Pin 21 | P3.4/CA20 — General-purpose I/O with LCD function |
| Pin 22 | P3.5/CA21 — General-purpose I/O with LCD function |
| Pin 23 | P3.6/CA22 — General-purpose I/O with LCD function |
| Pin 24 | P3.7/CA23 — General-purpose I/O with LCD function |
| Pin 25 | P4.0/RTCCLK/CA24 — General-purpose I/O with RTC clock and LCD function |
| Pin 26 | P4.1/CA25 — General-purpose I/O with LCD function |
| Pin 27 | P4.2/CA26 — General-purpose I/O with LCD function |
| Pin 28 | P4.3/CA27 — General-purpose I/O with LCD function |
| Pin 29 | P4.4/CA28 — General-purpose I/O with LCD function |
| Pin 30 | P4.5/CA29 — General-purpose I/O with LCD function |
| Pin 31 | P4.6/CA30 — General-purpose I/O with LCD function |
| Pin 32 | P4.7/CA31 — General-purpose I/O with LCD function |
| Pin 33 | P5.0/A8 — General-purpose I/O with ADC function |
| Pin 34 | P5.1/A9 — General-purpose I/O with ADC function |
| Pin 35 | P5.2/A10 — General-purpose I/O with ADC function |
| Pin 36 | P5.3/A11 — General-purpose I/O with ADC function |
| Pin 37 | P5.4/A12 — General-purpose I/O with ADC function |
| Pin 38 | P5.5/A13 — General-purpose I/O with ADC function |
| Pin 39 | P5.6/A14 — General-purpose I/O with ADC function |
| Pin 40 | P5.7/A15 — General-purpose I/O with ADC function |
| Pin 41 | P6.0/A16/COM0 — General-purpose I/O with ADC and LCD common line |
| Pin 42 | P6.1/A17/COM1 — General-purpose I/O with ADC and LCD common line |
| Pin 43 | P6.2/A18/COM2 — General-purpose I/O with ADC and LCD common line |
| Pin 44 | P6.3/A19/COM3 — General-purpose I/O with ADC and LCD common line |
| Pin 45 | P6.4/COM4 — General-purpose I/O with LCD common line |
| Pin 46 | P6.5/COM5 — General-purpose I/O with LCD common line |
| Pin 47 | P6.6/COM6 — General-purpose I/O with LCD common line |
| Pin 48 | P6.7/COM7 — General-purpose I/O with LCD common line |
| Pin 49 | P7.0/COM8/Seg0 — General-purpose I/O with LCD segment/com line |
| Pin 50 | P7.1/COM9/Seg1 — General-purpose I/O with LCD segment/com line |
| Pin 51 | P7.2/Seg2 — General-purpose I/O with LCD segment line |
| Pin 52 | P7.3/Seg3 — General-purpose I/O with LCD segment line |
| Pin 53 | P7.4/Seg4 — General-purpose I/O with LCD segment line |
| Pin 54 | P7.5/Seg5 — General-purpose I/O with LCD segment line |
| Pin 55 | P7.6/Seg6 — General-purpose I/O with LCD segment line |
| Pin 56 | P7.7/Seg7 — General-purpose I/O with LCD segment line |
| Pin 57 | P8.0/Seg8 — General-purpose I/O with LCD segment line |
| Pin 58 | P8.1/Seg9 — General-purpose I/O with LCD segment line |
| Pin 59 | P8.2/Seg10 — General-purpose I/O with LCD segment line |
| Pin 60 | P8.3/Seg11 — General-purpose I/O with LCD segment line |
| Pin 61 | P8.4/Seg12 — General-purpose I/O with LCD segment line |
| Pin 62 | P8.5/Seg13 — General-purpose I/O with LCD segment line |
| Pin 63 | P8.6/Seg14 — General-purpose I/O with LCD segment line |
| Pin 64 | P8.7/Seg15 — General-purpose I/O with LCD segment line |
| Pin 65 | P9.0/UCA0TXD/UCA0SIMO/Seg16 — General-purpose I/O with eUSCI_A0 UART/SPI and LCD segment |
| Pin 66 | P9.1/UCA0RXD/UCA0SOMI/Seg17 — General-purpose I/O with eUSCI_A0 UART/SPI and LCD segment |
| Pin 67 | P9.2/UCA0CLK/Seg18 — General-purpose I/O with eUSCI_A0 clock and LCD segment |
| Pin 68 | P9.3/UCA0STE/Seg19 — General-purpose I/O with eUSCI_A0 STE and LCD segment |
| Pin 69 | P9.4/UCB1STE/UCA1STE/Seg20 — General-purpose I/O with eUSCI_A1/B1 STE and LCD segment |
| Pin 70 | P9.5/UCB1CLK/UCA1CLK/Seg21 — General-purpose I/O with eUSCI_A1/B1 clock and LCD segment |
| Pin 71 | P9.6/UCB1SIMO/UCA1SIMO/Seg22 — General-purpose I/O with eUSCI_A1/B1 SIMO and LCD segment |
| Pin 72 | P9.7/UCB1SOMI/UCA1SOMI/Seg23 — General-purpose I/O with eUSCI_A1/B1 SOMI and LCD segment |
| Pin 73 | P10.0/UCB3STE/UCA3STE/Seg24 — General-purpose I/O with eUSCI_A3/B3 STE and LCD segment |
| Pin 74 | P10.1/UCB3CLK/UCA3CLK/Seg25 — General-purpose I/O with eUSCI_A3/B3 clock and LCD segment |
| Pin 75 | P10.2/UCB3SIMO/UCA3SIMO/Seg26 — General-purpose I/O with eUSCI_A3/B3 SIMO and LCD segment |
| Pin 76 | P10.3/UCB3SOMI/UCA3SOMI/Seg27 — General-purpose I/O with eUSCI_A3/B3 SOMI and LCD segment |
| Pin 77 | P10.4/UCB3SCL/UCA3SCL/Seg28 — General-purpose I/O with eUSCI_A3/B3 I2C clock and LCD segment |
| Pin 78 | P10.5/UCB3SDA/UCA3SDA/Seg29 — General-purpose I/O with eUSCI_A3/B3 I2C data and LCD segment |
| Pin 79 | PJ.0/TDO — JTAG test data output |
| Pin 80 | PJ.1/TDI/TCLK — JTAG test data input / test clock |
| Pin 81 | PJ.2/TMS — JTAG test mode select |
| Pin 82 | PJ.3/TCK — JTAG test clock |
| Pin 83 | RSTn/SBWTDIO — Reset input (active low) / Spy-Bi-Wire data I/O |
| Pin 84 | TEST/SBWTCK — Test mode pin / Spy-Bi-Wire test clock |
| Pin 85 | DVSS1 — Digital ground |
| Pin 86 | DVCC1 — Digital supply voltage (1.8 V to 3.6 V) |
| Pin 87 | AVSS1 — Analog ground |
| Pin 88 | AVCC1 — Analog supply voltage |
| Pin 89 | VREF+ — ADC positive reference voltage |
| Pin 90 | VREF-/VeREF- — ADC negative reference voltage |
| Pin 91 | XIN — Crystal oscillator input |
| Pin 92 | XOUT — Crystal oscillator output |
| Pin 93 | P11.0/PM_UCB1STE/PM_UCA1STE/Seg30 — General-purpose I/O with eUSCI remap option and LCD segment |
| Pin 94 | P11.1/PM_UCB1CLK/PM_UCA1CLK/Seg31 — General-purpose I/O with eUSCI remap option and LCD segment |
| Pin 95 | P11.2/PM_UCB1SIMO/PM_UCA1SIMO/Seg32 — General-purpose I/O with eUSCI remap option and LCD segment |
| Pin 96 | P11.3/PM_UCB1SOMI/PM_UCA1SOMI/Seg33 — General-purpose I/O with eUSCI remap option and LCD segment |
| Pin 97 | P11.4 — General-purpose I/O (LCD cap pin) |
| Pin 98 | P11.5 — General-purpose I/O (LCD cap pin) |
| Pin 99 | DVSS2 — Digital ground |
| Pin 100 | DVCC2 — Digital supply voltage (1.8 V to 3.6 V) |
Typical Applications
MSP430FR6989IPZ is suitable for 6 applications: Water and Heat Flow Meters, Portable Medical and Health Monitors, Industrial Sensor Loggers, Battery-Powered IoT Edge Nodes, LCD Human-Machine Interfaces, Energy-Harvesting Wireless Sensor Nodes.
Water and Heat Flow Meters
The MSP430FR6989IPZ is purpose-built for battery-powered water, heat, and gas flow meters because its integrated Extended Scan Interface (ESI) directly digitizes rotary sensor outputs without external analog front-end components. The 128 KB FRAM retains logged consumption and tamper events across decades without flash wear-out, while the AES-128 hardware accelerator secures wireless AMR/AMI transmissions. The 320-segment LCD driver displays cumulative volume, instantaneous flow, and diagnostic icons without an external driver. Active current of 118 uA/MHz plus LPM3.5 standby under 1 uA enable 10-year+ battery life on a single lithium cell, even with hourly logging and daily wireless reports.
Recommended
Portable Medical and Health Monitors
In portable medical devices such as glucose meters, pulse oximeters, and single-lead ECG patches, the MSP430FR6989IPZ delivers the right mix of analog integration and ultra-low power. The 12-bit SAR ADC with up to 16 channels captures biosensor signals directly, while FRAM stores patient logs and trend buffers with effectively unlimited write endurance - critical for continuous-monitoring patches that log every minute. The integrated LCD driver supports a 320-segment display for readouts, and AES hardware protects patient-identifiable health information during BLE/Miracast synchronization. The device's <1 uA RTC retention standby enables multi-week ambulatory operation from a coin cell.
Recommended
Industrial Sensor Loggers
Factory-floor vibration, temperature, and pressure loggers benefit from the MSP430FR6989IPZ's FRAM endurance and its mix of analog and serial interfaces. The 12-bit ADC plus 4 timers handle multi-axis vibration sampling, while the 128 KB FRAM circular-buffer architecture logs days of data without fear of flash wear-out. The integrated AES-128 secures factory IP during wireless backhaul via SPI-to-Wi-Fi or SPI-to-LoRa co-processors. The LQFP-100 package with up to 83 GPIO lets designers parallel-wire multiple sensors and displays, replacing PLDs and external logic. LPM3.5 standby below 1 uA extends battery replacement cycles beyond five years in remote installations.
Recommended
Battery-Powered IoT Edge Nodes
For LoRa-, BLE-, or sub-GHz IoT edge nodes that wake, sense, encrypt, and transmit, the MSP430FR6989IPZ combines sub-1 uA standby, fast FRAM wake-and-execute, and on-chip AES-128 - a near-ideal MCU-side partner for transceivers like the SX126x or CC2640. Its 128 KB FRAM lets designers reserve space for over-the-air firmware images plus rolling sensor buffers, while the integrated LCD driver supports local HMI on a coin-cell device. Compared with Cortex-M0+ IoT MCUs, the MSP430FR6989IPZ delivers competitive MIPS while spending far less energy in sleep, giving months-to-years of battery life in metering and asset-tracking deployments.
Recommended
LCD Human-Machine Interfaces
The MSP430FR6989IPZ's integrated LCD driver can drive up to 320 segments - enough for a 4-MUX 8-digit numeric display plus icon row - without any external driver IC, simplifying BOM and PCB area. Designers can pair the MCU with segment or dot-matrix LCDs for thermostats, appliances, instrument panels, and consumer electronics. FRAM stores customizable HMI screens and user preferences without flash wear-out even with continuous user updates. The deep-sleep LPM3.5 mode with LCD charge pump disabled allows <2 uA display-off standby, ideal for battery-operated appliances that must wake on button press.
Recommended
Energy-Harvesting Wireless Sensor Nodes
Energy-harvesting applications - solar, thermal, vibrational, or RF - require an MCU that wakes, executes, and returns to deep sleep while consuming the smallest possible energy budget per task. The MSP430FR6989IPZ excels here: its LPM3.5 standby at <1 uA, sub-100 us wake time from FRAM, and 118 uA/MHz active draw let designers extract meaningful work from milliwatt-class harvesters. FRAM's ability to accept partial writes without block-erase simplifies wear-leveling across harvest cycles. The integrated LCD driver adds a local readout for sensor data, and AES-128 secures over-the-air packets when paired with a sub-GHz radio companion.
Recommended
Recommended Products Summary
Engineering reference data for MSP430FR6989IPZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MSP430FR6989IPZR | MSP430FR5994IPZ | MSP430FR5992IPZ | MSP430FR6972IPZ | MSP430FR5969IPZ | MSP430FR69891IPZ |
|---|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | LQFP-100 (PZ) 14x14 | LQFP-100 (PZ) 14x14 - same | LQFP-100 (PZ) - same | LQFP-100 (PZ) - same | LQFP-100 (PZ) - same | LQFP-100 (PZ) - same | LQFP-100 (PZ) - same |
| Core / Frequency | MSP430 CPUXV2 @ 16 MHz | MSP430 CPUXV2 @ 16 MHz | MSP430 CPUXV2 @ 16 MHz + LEA | MSP430 CPUXV2 @ 16 MHz + LEA | MSP430 CPUXV2 @ 16 MHz | MSP430 CPUXV2 @ 16 MHz | MSP430 CPUXV2 @ 16 MHz |
| FRAM | 128 KB | 128 KB | 256 KB | 128 KB | 64 KB | 64 KB | 128 KB |
| SRAM | 16 KB | 16 KB | 8 KB | 8 KB | 16 KB | 2 KB | 16 KB |
| Extended Scan Interface (ESI) | Yes | Yes | No | No | Yes | No | Yes |
| LCD Driver (segments) | Up to 320 | Up to 320 | None | None | Up to 320 | None | Up to 320 |
| AES-128 Hardware Accelerator | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Key Differentiators
- Integrated Extended Scan Interface (ESI) for rotary flow metering (vs MSP430FR5994IPZ)
- 320-segment integrated LCD driver eliminates external LCD ICs (vs MSP430FR5969IPZ)
- Same silicon in tray vs reel SKU simplifies high-volume migration (vs MSP430FR6989IPZR)
Design Notes
Estimated: at 16 MHz active current of about 118 uA/MHz, the MSP430FR6989IPZ draws roughly 1.9 mA while executing from FRAM at 3.3 V. In LPM3.5 with RTC retention the device drops below 1 uA, so duty-cycling sensor reads at 1 Hz and FRAM logging at 0.1 Hz typically yields a multi-year battery budget on a single CR2032 coin cell. Always place a 100 nF decoupling capacitor within 2 mm of DVCC1/DVCC2 and a bulk 4.7 uF ceramic near AVCC1 to suppress FRAM-write current spikes.
Estimated: with 83 GPIO plus LCD/ESI/analog functions, route the 100-LQFP layout on a four-layer PCB with a continuous ground plane beneath the device. Keep crystal traces (XIN/XOUT) shorter than 5 mm and shield with a ground ring to avoid coupling into the ESI analog inputs. Reserve a 0.1 uF + 10 uF decoupling pair within 2 mm of each DVCC/AVCC pin pair. For LCD outputs, keep segment traces short and avoid running digital signals parallel to COM lines to preserve contrast.
Three pitfalls recur in MSP430FR6989 designs. First, do not store data in the upper FRAM region reserved for interrupt vectors without remapping - misaligned writes can corrupt vector tables. Second, when migrating from MSP430F5xx flash code, remember FRAM allows byte writes but still requires the SYSCTL unlock pattern before mass erase. Third, the Extended Scan Interface analog inputs share pins with Port 6; users must configure the analog-mux lockout (P6SEL) before invoking ESI calibration routines. Review the SLAU628 user guide before board bring-up.
When driving sub-GHz or BLE radios from the MSP430FR6989IPZ, isolate the radio's noisy supply from DVCC using a ferrite bead and a 10 uF + 0.1 uF LC filter, then keep SMCLK traces short or gate them off when the radio is asleep. The 12-bit SAR ADC achieves 6 ENOB at 200 ksps; sample-and-hold settling time degrades above 50 kohm source impedance, so add an external buffer if the sensor exceeds that threshold.
Compliance Information
Per TI product folder, MSP430FR6989IPZ is RoHS compliant, lead-free, and halogen-free. Industrial -40 C to +85 C temperature grade only; no AEC-Q100 automotive grade variant is offered.
