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Texas Instruments MSP430G2252IPW14
- Part No.:
- MSP430G2252IPW14
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MSP430G2252IPW14.pdf
- Description:
- IC MCU 16BIT 2KB FLASH 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:530
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Product details
Overview
MSP430G2252IPW14 from Texas Instruments is an ultra-low-power 16-bit RISC mixed-signal microcontroller in 14-pin TSSOP packaging, featuring 2 kB flash, 256 B RAM, a 10-bit 200-ksps ADC with internal reference and autoscan, one 16-bit Timer_A with three capture/compare registers, USI supporting SPI and I²C, and an on-chip analog comparator. It targets battery-powered sensor nodes and portable measurement systems requiring sub-µA standby operation.
For engineers reviewing the MSP430G2252IPW14 datasheet, MSP430G2252IPW14 pinout, MSP430G2252IPW14 application, or MSP430G2252IPW14 equivalent, key selection criteria include its 2 kB flash/256 B RAM configuration, ADC10 availability (exclusive to G2x52 series), 14-pin TSSOP package with only two P2 I/O pins, and Spy-Bi-Wire debug interface compatibility.
Technical Context
The MSP430G2252IPW14 implements a 16-bit RISC CPU with seven addressing modes and 51 instructions, executing register-to-register operations in one CPU clock cycle. Its clock system integrates a digitally controlled oscillator (DCO) calibrated at 1/8/12/16 MHz, plus LF and ACLK sources - enabling wake-up from LPM4 in under 1 µs.
It supports five low-power modes (LPM0–LPM4), with active-mode current of 220 µA at 1 MHz/2.2 V and standby-mode current of 0.5 µA. The ADC10 module includes internal reference, sample-and-hold, and autoscan across up to eight channels, while the USI provides hardware-level SPI and I²C protocol support without CPU overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 general-purpose registers and constant generators for optimized code efficiency |
| Flash / RAM | 2 kB flash program memory and 256 B RAM - sufficient for compact sensor firmware with ADC data buffering |
| ADC Resolution | 10-bit SAR ADC with 200-ksps sampling rate and autoscan - enables continuous multi-channel analog monitoring |
| Power Modes | Five software-selectable low-power modes including LPM4 (0.1 µA RAM retention) - extends battery life in intermittent-sensing applications |
| Communication | Universal Serial Interface (USI) supporting both SPI and I²C protocols - reduces external component count for sensor interfacing |
| Debug Interface | Spy-Bi-Wire (2-wire JTAG) - allows in-system programming and debugging with minimal PCB footprint |
| Supply Voltage | 1.8 V to 3.6 V operating range - compatible with single-cell Li-ion, Li-polymer, or dual-AA alkaline power sources |
Pinout & Package
14-pin TSSOP (PW package), 5.0 mm × 4.4 mm body, 0.65 mm pitch, exposed pad not present. Pin functions validated per TI SLAS722G Rev. May 2013, Table 2 and PW-package top-view diagram.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (DVCC) | Digital supply voltage | Primary 1.8–3.6 V power input for digital core and I/O banks |
| 2 (P1.0/TA0CLK/ACLK/A0/CA0) | Multi-function I/O | Configurable as timer clock input, ACLK output, ADC channel 0, or comparator input CA0 |
| 3 (P1.1/TA0.0/A1/CA1) | Multi-function I/O | Supports Timer_A CCI0A capture, ADC channel 1, or comparator CA1 input |
| 4 (P1.2/TA0.1/A2/CA2) | Multi-function I/O | Enables Timer_A CCI1A capture, ADC channel 2, or comparator CA2 input |
| 5 (P1.3/ADC10CLK/CAOUT/VREF-/VEREF-/A3/CA3) | ADC & comparator terminal | Provides ADC conversion clock output, comparator output, negative reference, and ADC channel 3 |
| 6 (P1.4/TA0.2/SMCLK/A4/VREF+/VEREF+/CA4/TCK) | Multi-function I/O | Supports Timer_A CCI2A capture, SMCLK output, ADC channel 4, positive reference, or JTAG TCK |
| 7 (P1.5/TA0.0/SCLK/A5/CA5/TMS) | Multi-function I/O | Enables Timer_A Out0, USI clock, ADC channel 5, comparator CA5, or JTAG TMS |
| 8 (P1.6/TA0.1/SDO/SCL/A6/CA6/TDI/TCLK) | Multi-function I/O | Provides Timer_A Out1, USI data out/I²C clock, ADC channel 6, comparator CA6, or JTAG TDI |
| 9 (P1.7/SDI/SDA/CAOUT/A7/CA7/TDO/TDI) | Multi-function I/O | Supports USI data in/I²C data, ADC channel 7, comparator output/CA7, or JTAG TDO |
| 10 (RST/NMI/SBWTDIO) | Reset & debug I/O | Active-low reset input, non-maskable interrupt, and Spy-Bi-Wire bidirectional data line |
| 11 (TEST/SBWTCK) | Debug clock input | Selects test mode and provides Spy-Bi-Wire clock during programming and debug |
| 12 (XOUT/P2.7) | Oscillator output | Crystal oscillator output or general-purpose I/O P2.7 (only two P2 pins available in 14-pin package) |
| 13 (XIN/P2.6/TA0.1) | Oscillator input | Crystal oscillator input or general-purpose I/O P2.6 or Timer_A Out1 output |
| 14 (DVSS) | Digital ground | Reference ground for digital core and I/O circuits |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 220 µA active current at 1 MHz/2.2 V and 0.1 µA off-mode (RAM retention) - enables multi-year battery life in wireless sensors |
| Integrated 10-bit ADC | 200-ksps sampling with internal reference, sample-and-hold, and autoscan across 8 channels - eliminates need for external ADC in basic sensing designs |
| Hardware USI peripheral | Dedicated SPI and I²C support with automatic clock/data handling - frees CPU for real-time processing instead of bit-banging |
| Capacitive-touch I/O capability | Up to 16 pins support pin-oscillator-based touch detection - enables cost-effective human-interface integration without external ICs |
| Brownout detector | On-chip voltage monitor with programmable threshold - ensures reliable reset during battery sag or power ramp-up |
Applications
| Environmental Sensor Node | Industrial Battery Monitor |
|---|---|
Use Scenario: Compact, coin-cell-powered temperature/humidity sensor transmitting data via UART or RF link at 10-minute intervals. IC Role / Device Role / Timing Role: Primary controller managing ADC sampling, data formatting, low-power sleep/wake cycles, and serial communication timing. Use Value: 0.5 µA standby current and fast <1 µs wake-up minimize energy per measurement cycle, extending operational life beyond 5 years on CR2032. | Use Scenario: Embedded voltage/current monitor inside sealed industrial battery packs, logging cell-level metrics over 10+ years. IC Role / Device Role / Timing Role: Standalone analog front-end and data logger with ADC10 measuring cell voltages and internal temperature via thermistor. Use Value: Integrated VREF+/VREF− and 10-bit resolution enable ±10 mV accuracy without external references, reducing BOM cost and board area. |
| Smart Meter Tamper Detection | Portable Medical Diagnostic Tool |
Use Scenario: Low-cost tamper switch and magnetic field detector in utility meters, triggering alerts on enclosure opening or magnet proximity. IC Role / Device Role / Timing Role: Dedicated security monitor using comparator inputs and GPIO interrupts to detect physical intrusion events. Use Value: On-chip Comparator_A+ with hysteresis and independent reference control allows robust analog threshold detection without external comparators or op-amps. | Use Scenario: Handheld pulse oximeter or blood glucose meter requiring precise analog signal acquisition and minimal power draw between tests. IC Role / Device Role / Timing Role: Signal acquisition engine performing synchronized LED drive timing, photodiode signal conditioning, and ADC conversion sequencing. Use Value: ADC10 autoscan and DTC (data transfer controller) allow fully autonomous multi-channel sampling - CPU remains idle during acquisition, cutting average power by >40%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430G2232IPW14 | No ADC10 module; retains USI, Timer_A, comparator, and same 2 kB flash/256 B RAM | Suitable where analog sensing is handled externally or not required | Select when ADC functionality is unnecessary and lowest possible BOM cost is prioritized |
| MSP430G2252IPW20 | Same core specs but 20-pin TSSOP package with full 8-pin P2 port and additional I/O | Required when more than two P2 I/O pins are needed for expanded peripheral interfacing | Choose when design requires >2 additional GPIOs or dedicated AVSS/AVCC pins not present in 14-pin variant |
Compared with MSP430G2252IPW14, MSP430G2232IPW14 removes ADC10 to reduce cost and power, while MSP430G2252IPW20 retains identical analog/peripheral features but adds six extra I/O pins - making the 14-pin version optimal for space-constrained, ADC-dependent sensor endpoints.
Availability
MSP430G2252IPW14 is available at Aetrix Electronics and suitable for environmental monitoring, battery management, and portable diagnostic equipment requiring stable component supply and long-term manufacturability.
Supply support for MSP430G2252IPW14 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 MSP430G2xx family delivers ultra-low-power mixed-signal microcontrollers targeting portable instrumentation, sensor networks, and energy-harvesting systems where battery life and integration density are critical.
FAQ
What is the maximum ADC sampling rate supported by the MSP430G2252IPW14?
The MSP430G2252IPW14 supports a maximum ADC10 sampling rate of 200 ksps (kilo-samples per second) with internal reference and autoscan enabled. This rate assumes optimal clock configuration (e.g., ADC10CLK sourced from MODCLK at ~5 MHz) and minimal conversion overhead. Real-world throughput may vary based on reference selection, sample-and-hold time, and software-triggered vs. timer-triggered conversions. The MSP430G2252IPW14 datasheet specifies this value under typical conditions at 2.2 V supply.
Does the MSP430G2252IPW14 include hardware support for I²C communication?
Yes, the MSP430G2252IPW14 includes a Universal Serial Interface (USI) module that provides full hardware-level I²C master and slave support. The USI handles clock generation, start/stop condition detection, and ACK/NACK signaling autonomously - eliminating the need for bit-banged software I²C. Pins P1.6 (SCL) and P1.7 (SDA) are dedicated to this function when USI is enabled, and the MSP430G2252IPW14 USICTL0 and USICKCTL registers configure I²C-specific timing and addressing.
How many I/O pins are available on the MSP430G2252IPW14 package?
The MSP430G2252IPW14 in 14-pin TSSOP provides eight programmable I/O pins on Port 1 (P1.0–P1.7) and two on Port 2 (P2.6 and P2.7), totaling ten usable GPIOs. Unlike the 20-pin variants, the 14-pin package omits P2.0–P2.5. All ten pins support individually configurable pullup/pulldown resistors, interrupt-on-change, and capacitive-touch oscillator enable - confirmed in the MSP430G2252IPW14 pinout table and functional description.
Can the MSP430G2252IPW14 operate from a single 1.8 V supply?
Yes, the MSP430G2252IPW14 is fully specified to operate across a supply voltage range of 1.8 V to 3.6 V. At 1.8 V, it maintains full functionality including ADC10 operation (with adjusted reference options), USI communication, Timer_A, and Spy-Bi-Wire programming. The device's ultra-low-power architecture ensures stable 16-bit RISC execution even at minimum VCC, as verified in the MSP430G2252IPW14 electrical characteristics tables.
Is the MSP430G2252IPW14 pin-compatible with other devices in the MSP430G2x52 family?
The MSP430G2252IPW14 shares identical pinout and function mapping with all other 14-pin TSSOP variants in the MSP430G2x52 family (e.g., MSP430G2352IPW14, MSP430G2452IPW14), differing only in flash size (2 kB vs. 4 kB vs. 8 kB) and RAM allocation. However, it is not pin-compatible with 20-pin or QFN-packaged G2x52 devices due to different pin counts and P2 port assignments. The MSP430G2252IPW14 pin definitions are fixed per TI SLAS722G Table 2.
MSP430G2252IPW14 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Series:
- MSP430G2xx
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, SPI, USI
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 10
- Program Memory Size:
- 2KB (2K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430G2252IPW14 FAQ
1.How can I place an order for MSP430G2252IPW14 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430G2252IPW14 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 MSP430G2252IPW14 reliable?
The price and inventory of MSP430G2252IPW14 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430G2252IPW14 is usually 5 days.
3.What payment methods are accepted for MSP430G2252IPW14?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430G2252IPW14 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430G2252IPW14?
MSP430G2252IPW14 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430G2252IPW14 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 MSP430G2252IPW14?
For technical support, including MSP430G2252IPW14 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430G2252IPW14 requirements.
6.How does Aetrix verify that MSP430G2252IPW14 is sourced from the original manufacturer or authorized distributors?
All MSP430G2252IPW14 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 MSP430G2252IPW14 meets industry standards.
7.What is the process for return or replacement of MSP430G2252IPW14?
All MSP430G2252IPW14 units undergo pre-shipment inspection (PSI). If there is an issue with MSP430G2252IPW14, 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 MSP430G2252IPW14 part is unused and in its original packaging.
Return procedure for MSP430G2252IPW14:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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