My Inquiry
My Account
Texas Instruments MSP430G2233IPW28
- Part No.:
- MSP430G2233IPW28
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 28-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MSP430G2233IPW28.pdf
- Description:
- IC MCU 16BIT 2KB FLASH 28TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:350
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MSP430G2233IPW28 from Texas Instruments is an ultra-low-power 16-bit mixed-signal microcontroller featuring 2 KB Flash, 256 B RAM, a 10-bit 200-ksps ADC with 8 channels and internal reference, two 16-bit Timer_A modules with three capture/compare registers each, USCI supporting UART/LIN/IrDA/SPI/I²C, and up to 24 capacitive-touch-enabled I/O pins in a 28-pin TSSOP package. It targets battery-powered sensor interface and power management systems.
For engineers reviewing the MSP430G2233IPW28 datasheet, MSP430G2233IPW28 pinout, MSP430G2233IPW28 application, or MSP430G2233IPW28 equivalent, this page delivers verified technical context, exact pin functions, real-world use cases, and validated alternative options - all grounded in TI's SLAS734G production data sheet (Rev. April 2016).
Technical Context
The MSP430G2233IPW28 implements a 16-bit RISC CPU with constant generators and a digitally controlled oscillator (DCO) enabling sub-1 µs wake-up from standby mode. Its clock system integrates internal calibrated frequencies up to 16 MHz, a low-frequency oscillator (VLO), 32-kHz crystal support, and external digital clock input.
Peripherals include dual 16-bit Timer_A modules (each with three CC registers), USCI_A0 (UART/LIN/IrDA/SPI) and USCI_B0 (SPI/I²C), and a 10-bit ADC with autoscan, sample-and-hold, and built-in voltage reference - all operating within 1.8–3.6 V supply range and optimized for extended battery life in portable measurement applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 62.5-ns instruction cycle time and 16 registers |
| Flash / RAM | 2 KB Flash memory for program storage; 256 B RAM for runtime variables |
| ADC | 10-bit, 200-ksps SAR ADC with 8 input channels, internal reference, and autoscan mode |
| Timers | Two 16-bit Timer_A modules, each with three capture/compare registers and PWM capability |
| USCI Peripherals | USCI_A0 supports UART (with LIN auto-baud detection), IrDA, SPI; USCI_B0 supports SPI and I²C |
| Power Consumption | 230 µA active @ 1 MHz/2.2 V; 0.5 µA standby; 0.1 µA off-mode with RAM retention |
| Supply Range | 1.8 V to 3.6 V - enables direct operation from single-cell Li-ion, alkaline, or coin-cell batteries |
Pinout & Package
Package: 28-pin TSSOP (PW28), 9.7 mm × 4.4 mm body size, surface-mount, lead-free, RoHS-compliant.
| 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 | Multi-function I/O | GPIO, Timer0_A clock input, ACLK output, or ADC10 channel A0 input |
| 5, P1.3/ADC10CLK/VREF-/VEREF-/A3 | Analog subsystem terminal | ADC conversion clock output, negative reference input, or ADC channel A3 |
| 14, P1.6/TA0.1/UCB0SOMI/UCB0SCL/A6 | Multi-function I/O | GPIO, Timer0_A compare output, USCI_B0 SPI MISO or I²C SCL, or ADC channel A6 |
| 24, RST/NMI/SBWTDIO | Reset & debug interface | Active-low reset, non-maskable interrupt input, or Spy-Bi-Wire data I/O for programming |
| 25, TEST/SBWTCK | Debug interface | JTAG test mode select or Spy-Bi-Wire clock input for on-chip emulation |
| 26, XOUT/P2.7 | Clock oscillator output | Crystal oscillator output or general-purpose GPIO (P2.7) |
| 27, XIN/P2.6/TA0.1 | Clock oscillator input | Crystal oscillator input, or GPIO/P2.6, or Timer0_A compare output |
| 28, DVSS | Digital ground | Reference ground for digital supply and logic I/O |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-fast wake-up | Sub-1 µs transition from LPM3 standby to active mode - critical for duty-cycled sensor polling |
| Capacitive touch I/O | Up to 24 pins support capacitive sensing without external components - enables low-cost touch buttons/sliders |
| Integrated analog front-end | 10-bit ADC with internal 1.5-V/2.5-V reference, sample-and-hold, and 8-channel autoscan - eliminates external reference and mux |
| Low-power communication | USCI_A0 UART with LIN auto-baud detection and IrDA encoding - reduces host MCU overhead in automotive/sensor networks |
| On-chip emulation | Spy-Bi-Wire interface with 2-pin debug - enables in-system programming and real-time debugging without JTAG header |
Applications
| Smart Sensor Node | Energy Monitoring Module |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity sensor transmitting data via UART to gateway every 30 seconds. IC Role / Device Role / Timing Role: Primary controller executing sensor readout, ADC conversion, data formatting, and low-duty-cycle UART transmission. Use Value: 0.1 µA off-mode current preserves 10+ year battery life; integrated ADC and UART eliminate external signal conditioning ICs. |
Use Scenario: AC mains energy meter measuring voltage/current waveforms using resistive dividers and shunt sensors. IC Role / Device Role / Timing Role: Analog acquisition engine sampling at 200 ksps, performing RMS calculation, and storing cycle-integrated values in RAM. Use Value: 10-bit ADC with internal reference ensures stable gain across temperature; 256 B RAM holds 128-sample buffers without external memory. |
| Capacitive Touch Interface | Industrial Control Panel |
|
Use Scenario: Appliance control panel with 8-button touch overlay replacing mechanical switches. IC Role / Device Role / Timing Role: Dedicated capacitive touch processor scanning electrodes, debouncing, and reporting button states over I²C. Use Value: 24-capacitive-touch I/O pins enable full panel integration in one device; ultra-low standby current extends system sleep time. |
Use Scenario: Factory HMI panel monitoring machine status via discrete inputs and driving LED indicators. IC Role / Device Role / Timing Role: Real-time I/O manager handling 16+ GPIO interrupts, PWM dimming for LEDs, and SPI communication with display driver. Use Value: Dual Timer_A modules provide independent 16-bit PWM outputs for 4+ LEDs; 28-pin TSSOP fits compact industrial PCB layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430G2333IPW28 | 4 KB Flash, 256 B RAM, same peripherals and pinout | Supports larger firmware images and more complex sensor fusion algorithms | Select when firmware exceeds 2 KB or requires additional code space for OTA updates |
| MSP430G2231IPW28 | 2 KB Flash, 128 B RAM, no USCI_B0 (I²C/SPI slave), no P3 port | Limited to UART-only communication and fewer I/O resources | Choose only for minimal UART-based sensor nodes where I²C and extra GPIO are unnecessary |
Compared with MSP430G2233IPW28, the MSP430G2333IPW28 offers double Flash for enhanced firmware scalability without layout changes, while the MSP430G2231IPW28 sacrifices I²C and half the RAM to reduce cost - making it suitable only for stripped-down UART telemetry applications.
Availability
MSP430G2233IPW28 is available at Aetrix Electronics and suitable for smart sensor nodes, energy monitoring modules, capacitive touch interfaces, and industrial control panels requiring stable component supply and long-term manufacturability.
Supply support for MSP430G2233IPW28 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 with emphasis on power efficiency, reliability, and broad ecosystem support.
The MSP430G2xx family targets cost-sensitive, battery-operated applications requiring ultra-low-power operation, integrated analog peripherals, and rapid development - exemplified by the MSP430G2233IPW28's balance of Flash, ADC, timers, and communication interfaces.
FAQ
What is the maximum system clock frequency supported by the MSP430G2233IPW28?
The MSP430G2233IPW28 supports a maximum system clock (MCLK) frequency of 16 MHz at VCC = 3.3 V and 50% duty cycle. At 2.7 V, the limit is 12 MHz; at 1.8 V, it drops to 6 MHz. These ratings are defined in the Recommended Operating Conditions table (Section 5.3) of the SLAS734G datasheet and reflect guaranteed timing margins under specified voltage and temperature conditions for the MSP430G2233IPW28.
Does the MSP430G2233IPW28 include hardware support for I²C communication?
Yes, the MSP430G2233IPW28 includes dedicated I²C functionality via USCI_B0, which operates in master or slave mode with programmable clock speed, automatic ACK/NACK handling, and 7-bit/10-bit addressing. This capability is confirmed in Section 1.1 Features and Table 4-1 of the SLAS734G datasheet, and is physically implemented on pins P1.6 (UCB0SCL) and P1.7 (UCB0SDA) in the PW28 package.
How many ADC input channels does the MSP430G2233IPW28 support, and what reference options are available?
The MSP430G2233IPW28 supports 8 ADC10 input channels (A0–A7), as documented in Table 4-1 and Section 5.29 of SLAS734G. Reference options include internal 1.5-V or 2.5-V references (selectable via ADC10CTL0 register), external reference applied to VREF+/VEREF+ and VREF-/VEREF− pins, or AVCC/AVSS - all usable with the integrated sample-and-hold and autoscan features.
Is the MSP430G2233IPW28 pin-compatible with other devices in the MSP430G2x33 family?
Yes, the MSP430G2233IPW28 shares identical pinout and electrical characteristics with MSP430G2333IPW28 and MSP430G2433IPW28 in the 28-pin TSSOP (PW28) package, as confirmed by Figure 4-2 and Table 3-1 in SLAS734G. This allows direct substitution where Flash/RAM requirements align, without PCB redesign.
What debug interface does the MSP430G2233IPW28 use, and how many pins are required?
The MSP430G2233IPW28 uses the Spy-Bi-Wire (SBW) interface, requiring only two pins: RST/NMI/SBWTDIO (pin 24) and TEST/SBWTCK (pin 25). This 2-wire protocol replaces full 4-pin JTAG, enabling compact debug headers and in-system programming without sacrificing visibility into CPU state or memory - fully supported by TI's MSP-FET and Code Composer Studio.
MSP430G2233IPW28 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 28-TSSOP (0.173", 4.40mm Width)
- Series:
- MSP430G2xx
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPU16
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, PWM, WDT
- Number of I/O:
- 24
- 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:
MSP430G2233IPW28 FAQ
1.How can I place an order for MSP430G2233IPW28 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430G2233IPW28 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 MSP430G2233IPW28 reliable?
The price and inventory of MSP430G2233IPW28 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430G2233IPW28 is usually 5 days.
3.What payment methods are accepted for MSP430G2233IPW28?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430G2233IPW28 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430G2233IPW28?
MSP430G2233IPW28 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430G2233IPW28 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 MSP430G2233IPW28?
For technical support, including MSP430G2233IPW28 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430G2233IPW28 requirements.
6.How does Aetrix verify that MSP430G2233IPW28 is sourced from the original manufacturer or authorized distributors?
All MSP430G2233IPW28 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 MSP430G2233IPW28 meets industry standards.
7.What is the process for return or replacement of MSP430G2233IPW28?
All MSP430G2233IPW28 units undergo pre-shipment inspection (PSI). If there is an issue with MSP430G2233IPW28, 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 MSP430G2233IPW28 part is unused and in its original packaging.
Return procedure for MSP430G2233IPW28:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MSP430G2233IPW28 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
