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Texas Instruments MSP430A095IPN
- Part No.:
- MSP430A095IPN
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
MSP430A095IPN.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,933
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Product details
Overview
MSP430A095IPN from Texas Instruments is an ultra-low-power 16-bit RISC microcontroller featuring 60 KB Flash, 2 KB RAM, a 12-bit ADC with 12 channels, dual 12-bit DACs, three configurable op-amps, integrated LCD driver (up to 128 segments), and dual 16-bit timers - designed for battery-powered analog-sensor and metering applications requiring extended runtime and on-chip signal conditioning.
For engineers reviewing the MSP430A095IPN datasheet, MSP430A095IPN pinout, MSP430A095IPN application, or MSP430A095IPN equivalent, key selection criteria include active-mode current at 1 MHz (300 µA @ 2.2 V), wake-up time from LPM3 (<6 µs), LCD segment count support (128), DAC synchronization capability, and QFP-80 package compatibility with industrial temperature range (–40°C to 85°C).
Technical Context
The MSP430A095IPN implements a digitally controlled oscillator (DCO) enabling sub-6-µs wake-up from LPM3 using ACLK (32.768 kHz crystal), and integrates a single-channel DMA controller for autonomous data movement between peripherals and memory without CPU intervention. Its analog subsystem includes a shared reference path for ADC12 and DAC12, with programmable internal/external VREF+ and VREF− inputs.
Peripherals are clocked via three independent sources: MCLK (CPU/system), SMCLK (fast peripherals), and ACLK (low-frequency timing/LCD), each selectable per module. The device supports UART/SPI via USART0, brownout detection, supply-voltage supervision with programmable thresholds, and hardware-based bootloader (BSL) accessible over UART without external programming voltage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 125-ns instruction cycle; constant generators enable compact, efficient C code execution |
| Flash / RAM | 60 KB Flash (in-system programmable, 10k-cycle endurance); 2 KB SRAM (retained in LPM4) |
| ADC12 | 12-bit SAR ADC with 12 input channels, <10 µs conversion time, internal reference, sample-and-hold, autoscan |
| DAC12 | Dual 12-bit voltage-output DACs with synchronized update and independent reference control |
| Op-Amps | Three fully configurable operational amplifiers usable as PGA, comparator, or active filter stages |
| Power Modes | Five low-power modes; LPM4 draws only 0.1 µA (RAM retention, all clocks off) at 2.2 V, 25°C |
| LCD Driver | Integrated segment driver supporting up to 128 segments with static, 2-, 3-, or 4-mux configuration |
Pinout & Package
Package: 80-pin LQFP (PN), 12 mm × 12 mm body size, exposed thermal pad (not electrically connected), RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0/TA0 | Timer_A capture/compare input/output | Primary timer channel 0 I/O; supports PWM generation and event capture with 16-bit resolution |
| P6.6/A6/DAC0/OA2I0 | Analog input / DAC output / op-amp input | Shared terminal for ADC channel A6, DAC12.0 voltage output, and OA2 inverting input - requires careful signal routing |
| VREF+/VeREF+ | Reference voltage input/output | Positive reference node for ADC12 and DAC12; can source external reference or output internal VREF+ (1.5 V or 2.0 V) |
| COM0–COM3 | LCD common outputs | Four backplane drivers for multiplexed LCD; support static to 4-mux configurations with software-controlled duty cycle |
| RST/NMI | Reset and non-maskable interrupt input | Active-low reset with built-in pullup; doubles as NMI source for critical fault handling or BSL entry |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low active current | 300 µA @ 1 MHz, 2.2 V - enables multi-year operation on coin-cell batteries in sensor nodes |
| Fast wake-up from LPM3 | <6 µs - minimizes latency for periodic sensing tasks while preserving energy efficiency |
| Integrated analog front-end | ADC12 + DAC12 + 3 op-amps on single die - eliminates external signal-chain components in metering designs |
| Hardware LCD controller | Drives 128 segments without CPU overhead; supports contrast control and blinking via dedicated registers |
| Bootloader (BSL) | UART-based firmware update without JTAG; no external programming voltage required - simplifies field upgrades |
Applications
| Hand-Held Meters | Digital Thermostats |
|---|---|
Use Scenario: Portable multimeter measuring voltage, current, and resistance with auto-ranging and hold function. IC Role / Device Role / Timing Role: Main controller executing measurement algorithms, managing LCD display, driving analog front-end, and handling button input. Use Value: Integrated 12-bit ADC with internal reference and sample-and-hold enables accurate DC measurements without external precision references. | Use Scenario: Wall-mounted HVAC controller monitoring ambient temperature and humidity, regulating heating/cooling cycles, and displaying setpoints. IC Role / Device Role / Timing Role: System-on-chip managing sensor interface (thermistor, RH sensor), relay/valve actuation, user interface (buttons + LCD), and real-time scheduling. Use Value: Dual 12-bit DACs provide precise analog outputs for 0–10 V HVAC control signals; LCD driver supports segmented display of multiple parameters. |
| Analog Sensor Systems | Digital Timers |
Use Scenario: Battery-powered environmental monitor logging temperature, pressure, and gas concentration over weeks. IC Role / Device Role / Timing Role: Low-power data acquisition node performing periodic sampling, signal conditioning (op-amp gain/offset), and storage. Use Value: Three configurable op-amps allow programmable gain stages for weak sensor outputs; LPM4 current of 0.1 µA extends battery life significantly. | Use Scenario: Industrial countdown timer with LED/LCD display, audible alarm, and relay output for process control. IC Role / Device Role / Timing Role: Real-time scheduler with precise timing accuracy, managing display updates, input debouncing, and output activation. Use Value: Dual 16-bit timers (Timer_A3 and Timer_B3) support independent interval generation, PWM for buzzer drive, and capture for external trigger sync. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FG439IPN | Same family, identical 80-pin QFP package, 60 KB Flash, 2 KB RAM - but lacks integrated LCD driver and has reduced segment count (max 96 vs 128) | Suitable where full 128-segment LCD support is not required; lower cost if display complexity is minimal | Select MSP430A095IPN when full LCD capability and op-amp count are essential; choose MSP430FG439IPN only if LCD requirements are ≤96 segments |
| MSP430F5529IPN | Later-generation device with USB interface, 128 KB Flash, 8 KB RAM, enhanced DMA, but no integrated LCD driver or op-amps | Better suited for USB-connected data loggers or host-interface applications; unsuitable for standalone LCD+analog metering | MSP430A095IPN remains optimal for self-contained, ultra-low-power analog metering with display; MSP430F5529IPN fits USB-hosted systems needing higher memory and connectivity |
Compared with MSP430FG439IPN and MSP430F5529IPN, the MSP430A095IPN uniquely combines 128-segment LCD support, three op-amps, and ultra-low LPM4 current (0.1 µA) - making it irreplaceable in compact, battery-operated analog meters requiring local display and signal conditioning.
Availability
MSP430A095IPN is available at Aetrix Electronics and suitable for hand-held meters, digital thermostats, and analog sensor systems requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for MSP430A095IPN 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 MSP430FG43x product line - including MSP430A095IPN - was engineered specifically for ultra-low-power, mixed-signal applications such as portable instrumentation, energy metering, and LCD-based control panels where analog integration and battery longevity are critical.
FAQ
What is the maximum system clock frequency supported by the MSP430A095IPN?
The MSP430A095IPN supports a maximum MCLK frequency of 8 MHz at VCC = 3.6 V, and 4.15 MHz at VCC = 1.8 V, as specified in the recommended operating conditions. This frequency is generated by the internal digitally controlled oscillator (DCO) and is scalable across the 1.8–3.6 V supply range. The device maintains timing integrity across all five low-power modes, with DCO calibration ensuring stability during wake-up transitions. MSP430A095IPN's clock architecture allows dynamic switching between MCLK, SMCLK, and ACLK for optimal power/performance trade-offs.
Does the MSP430A095IPN include hardware support for UART communication?
Yes, the MSP430A095IPN integrates one universal synchronous/asynchronous serial communication interface (USART0) that can be configured in UART mode for full-duplex asynchronous communication. It supports standard baud rates, programmable stop bits, parity, and automatic baud-rate detection. The interface uses P2.4 (UTXD0) and P2.5 (URXD0) pins in the 80-pin QFP package. MSP430A095IPN's USART0 also enables bootloader (BSL) access via UART without external programming hardware - a key feature for field firmware updates.
Can the MSP430A095IPN drive a 4-mux LCD display?
Yes, the MSP430A095IPN's integrated LCD driver supports static, 2-mux, 3-mux, and 4-mux configurations, with up to 128 total segments. In 4-mux mode, it drives 32 commons (COM0–COM3 plus additional COM lines via port pins) and 32 segments per common, totaling 128 segments. The driver includes charge-pump circuitry, software-controllable bias generation, and frame frequency control - all managed by dedicated LCD registers. MSP430A095IPN's LCD module operates independently of the CPU, reducing firmware overhead in display-intensive applications.
What are the key differences between the MSP430A095IPN and MSP430FG439IPN?
The MSP430A095IPN and MSP430FG439IPN share the same 80-pin QFP package, 60 KB Flash, and 2 KB RAM, but differ critically in analog integration: MSP430A095IPN supports up to 128 LCD segments and includes three configurable op-amps, whereas MSP430FG439IPN supports only up to 96 segments and omits the third op-amp. Both devices feature identical ADC12, DAC12, and timer peripherals. MSP430A095IPN is optimized for high-segment-count, analog-rich metering; MSP430FG439IPN targets simpler display needs with lower analog complexity.
Is the MSP430A095IPN qualified for industrial temperature operation?
Yes, the MSP430A095IPN is rated for industrial temperature operation from –40°C to +85°C, as confirmed by its recommended operating conditions and characterization data across this range. Key parameters - including LPM3/LPM4 current, ADC linearity, DAC output accuracy, and oscillator stability - are specified and tested across the full industrial range. This qualification makes MSP430A095IPN suitable for deployment in harsh environments such as factory automation, building controls, and outdoor metering equipment.
MSP430A095IPN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 80-LQFP
- Series:
- MSP430x4xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430
- Core Size:
- 16-Bit
- Speed:
- 8MHz
- Connectivity:
- SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
- Number of I/O:
- 48
- Program Memory Size:
- 48KB (48K x 8 + 256B)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 12x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430A095IPN FAQ
1.How can I place an order for MSP430A095IPN through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430A095IPN on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MSP430A095IPN reliable?
The price and inventory of MSP430A095IPN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430A095IPN is usually 5 days.
3.What payment methods are accepted for MSP430A095IPN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430A095IPN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430A095IPN?
MSP430A095IPN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430A095IPN order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MSP430A095IPN?
For technical support, including MSP430A095IPN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430A095IPN requirements.
6.How does Aetrix verify that MSP430A095IPN is sourced from the original manufacturer or authorized distributors?
All MSP430A095IPN products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MSP430A095IPN meets industry standards.
7.What is the process for return or replacement of MSP430A095IPN?
All MSP430A095IPN units undergo pre-shipment inspection (PSI). If there is an issue with MSP430A095IPN, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MSP430A095IPN part is unused and in its original packaging.
Return procedure for MSP430A095IPN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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