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Texas Instruments MSP430G2453IPW0RQ1
- Part No.:
- MSP430G2453IPW0RQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MSP430G2453IPW0RQ1.pdf
- Description:
- IC MCU 16BIT 8KB FLASH 20TSSOP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MSP430G2453IPW0RQ1 from Texas Instruments is an automotive-qualified 16-bit RISC microcontroller with 8 KB flash, 512 B RAM, and integrated 10-bit ADC, two 16-bit Timer_A modules, USCI (UART/I²C/SPI), and analog comparator. It operates from 1.8 V to 3.6 V and supports ultra-low-power operation-230 µA active at 1 MHz/2.2 V, 0.5 µA standby, and 0.1 µA off mode with RAM retention-targeting battery-powered sensor nodes and automotive body electronics.
For engineers reviewing the MSP430G2453IPW0RQ1 datasheet, MSP430G2453IPW0RQ1 pinout, MSP430G2453IPW0RQ1 application, or MSP430G2453IPW0RQ1 equivalent, key selection considerations include its 20-pin TSSOP package, automotive AEC-Q100 qualification, 24 capacitive-touch I/O capability, calibrated DCO up to 16 MHz, and Spy-Bi-Wire debug interface-critical for space-constrained, safety-conscious embedded designs.
Technical Context
The MSP430G2453IPW0RQ1 implements a 16-bit CPU with seven addressing modes and 51-instruction set, enabling single-cycle register operations and efficient code execution. Its clock system integrates a digitally controlled oscillator (DCO) with four calibrated frequencies, internal VLO (12 kHz), and external crystal support (32 kHz), all selectable via software-controlled basic clock module registers.
Peripherals are memory-mapped and fully accessible via standard instructions: Timer_A modules support capture/compare with three registers each, USCI_A0 handles UART (with LIN auto-baud), IrDA, SPI, and USCI_B0 supports SPI and I²C, while the 10-bit ADC provides autoscan across eight channels with internal reference and sample-and-hold.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with 16 registers and constant generators; enables high code efficiency and low cycle count per instruction. |
| Flash / RAM | 8 KB flash program memory and 512 B RAM; sufficient for compact real-time control firmware with data buffering. |
| Supply Voltage | 1.8 V to 3.6 V operating range; compatible with single-cell Li-ion, 3.3 V logic rails, and automotive battery transients. |
| Power Consumption | 230 µA active @ 1 MHz/2.2 V; 0.5 µA standby; 0.1 µA LPM4 with RAM retention-enables multi-year battery life in wake-on-event systems. |
| ADC Resolution | 10-bit SAR ADC with 8-channel autoscan, internal reference, and sample-and-hold; supports precision analog sensor interfacing without external components. |
| Timer Resources | Two 16-bit Timer_A modules, each with three capture/compare registers; enables simultaneous PWM generation, input capture, and interval timing. |
| Communication Interfaces | USCI_A0 (UART/LIN/IrDA/SPI) + USCI_B0 (SPI/I²C); provides flexible serial connectivity for sensor fusion, diagnostics, and bus bridging. |
Pinout & Package
20-pin TSSOP (PW0) package, 6.5 mm × 4.4 mm body size, surface-mount, lead-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DVCC (Pin 1) | Digital supply voltage | Primary 1.8–3.6 V power rail for core logic and digital I/O; requires local decoupling. |
| P1.0/TA0CLK/ACLK/A0/CA0 (Pin 2) | Multi-function I/O | Configurable as timer clock input, ACLK output, ADC channel 0, or comparator input-supports flexible clocking and sensing. |
| P1.1/UCA0RXD/CA1/A1 (Pin 3) | UART receive / analog input | Default UART RX for bootloader and host communication; also serves as ADC channel 1 and comparator input. |
| P1.2/UCA0TXD/CA2/A2 (Pin 4) | UART transmit / analog input | Default UART TX; enables asynchronous serial communication and dual-role analog signal acquisition. |
| P1.3/ADC10CLK/CA3/VREF-/A3 (Pin 5) | ADC clock / reference / analog input | Provides ADC conversion clock output, negative reference input, and ADC channel 3-critical for precise ratiometric measurements. |
| P1.4/SMCLK/CA4/VREF+/A4 (Pin 6) | Sub-main clock / reference / analog input | Outputs SMCLK for peripheral synchronization; supplies positive ADC reference and analog channel 4. |
| P1.5/UCB0CLK/UCA0STE/CA5/A5 (Pin 7) | I²C/SPI clock / slave enable | Supports USCI_B0 clocking in SPI/I²C modes and USCI_A0 slave transmit enable-enables multi-interface coexistence. |
| P1.6/TA0.1/CA6/A6 (Pin 14) | Timer compare / analog input | Timer0_A output channel 1 and ADC channel 6; allows synchronized PWM and analog sampling. |
| P1.7/CAOUT/CA7/A7 (Pin 15) | Comparator output / analog input | Drives comparator output directly; also functions as ADC channel 7 and comparator input CA7. |
| P2.0/TA1.0 (Pin 8) | Timer1_A capture/compare | Timer1_A channel 0 input/output-used for event timing, pulse-width measurement, or PWM generation. |
| P2.1/TA1.1 (Pin 9) | Timer1_A capture/compare | Timer1_A channel 1 input/output-supports dual-edge capture or complementary PWM outputs. |
| P2.2/TA1.1 (Pin 10) | Timer1_A capture/compare | Second input for TA1.1; enables differential timing or redundant signal monitoring. |
| P2.3/TA1.0 (Pin 11) | Timer1_A capture/compare | Alternate TA1.0 input-provides pin flexibility for PCB layout and signal routing. |
| P2.4/TA1.2 (Pin 12) | Timer1_A capture/compare | Timer1_A channel 2 input/output-extends timing capability to third event source or PWM channel. |
| P2.5/TA1.2 (Pin 13) | Timer1_A capture/compare | Alternate TA1.2 input-supports robust edge detection in noisy environments. |
| RST/NMI/SBWTDIO (Pin 16) | Reset / NMI / debug I/O | Three-in-one pin: hardware reset, non-maskable interrupt, and Spy-Bi-Wire data I/O-reduces debug footprint. |
| TEST/SBWTCK (Pin 17) | JTAG test / debug clock | Enables Spy-Bi-Wire programming and debugging using two-wire interface-ideal for space-constrained boards. |
| XOUT/P2.7 (Pin 18) | Crystal oscillator output | Drives external 32-kHz crystal; also configurable as general-purpose I/O when crystal not used. |
| XIN/P2.6/TA0.1 (Pin 19) | Crystal oscillator input | Accepts 32-kHz crystal input or external clock; doubles as TA0.1 compare output for flexible timing. |
| DVSS (Pin 20) | Digital ground | Reference return path for DVCC; must be connected to system ground plane with low impedance. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 2 (−40°C to +105°C) certified-meets reliability requirements for under-hood and cabin electronics. |
| Ultra-fast wakeup | Wake from LPM3/LPM4 to active mode in <1 µs-enables responsive event-driven operation without latency penalty. |
| Capacitive touch I/O | Up to 24 pins support capacitive touch sensing-allows direct integration of touch buttons/sliders without external ICs. |
| On-chip emulation | Spy-Bi-Wire interface with 2-pin debug-eliminates need for full JTAG header, saving board space and cost. |
| Programmable security | BSL password protection and security fuse-prevents unauthorized firmware readout and cloning in production units. |
| Brownout detection | Integrated POR/BOR circuitry-ensures reliable startup and graceful shutdown during supply dips common in automotive environments. |
Applications
| Automotive Body Control Module | Smart Sensor Node |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing real-time CAN/LIN gateway logic, PWM motor control, and capacitive switch scanning. Use Value: AEC-Q100 qualification ensures operational reliability across temperature extremes; 0.5 µA standby extends battery life during vehicle sleep mode. |
Use Scenario: Wireless environmental sensor unit measuring temperature, humidity, and motion in industrial equipment. IC Role / Device Role / Timing Role: Signal acquisition MCU performing ADC sampling, sensor fusion, and low-power BLE packet preparation. Use Value: Integrated 10-bit ADC with internal reference eliminates external precision references; 0.1 µA LPM4 retains RAM state between wake events. |
| Capacitive Touch Interface | Low-Power Industrial Monitor |
Use Scenario: Touch-sensitive dashboard controls and infotainment bezels in automotive cockpits. IC Role / Device Role / Timing Role: Dedicated capacitive touch controller scanning up to 24 electrodes with noise immunity algorithms. Use Value: Hardware-accelerated touch sensing reduces CPU load; ultra-low active current extends display backlight runtime. |
Use Scenario: Panel-mounted diagnostic monitor for HVAC or power distribution units with local display and button interface. IC Role / Device Role / Timing Role: Embedded controller managing LCD driver, keypad scan, RS-485 communication, and fault logging. Use Value: Dual USCI modules enable concurrent UART diagnostics and I²C sensor reads; 8 KB flash accommodates field-upgradable firmware. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mixed-signal microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430G2553IPW0RQ1 | 16 KB flash, same 20-pin TSSOP package, identical peripherals and pinout | Higher program memory capacity for larger firmware or bootloader + application separation | Select when firmware exceeds 8 KB or requires secure dual-bank updates. |
| MSP430FR2476TRHBR | Ferroelectric RAM (64 KB FRAM), no flash wear-out, 1.8–3.6 V, but different pinout (32-pin VQFN) and no AEC-Q100 rating | Targeted at high-write-cycle data logging; lacks automotive qualification and capacitive touch I/O | Choose for non-automotive applications needing frequent parameter storage without endurance limits. |
Compared with MSP430G2553IPW0RQ1 and MSP430FR2476TRHBR, the MSP430G2453IPW0RQ1 offers optimal balance of automotive compliance, capacitive touch support, and minimal footprint-making it preferred for cost-sensitive, space-constrained body electronics where 8 KB flash suffices and AEC-Q100 is mandatory.
Availability
MSP430G2453IPW0RQ1 is available at Aetrix Electronics and suitable for automotive body control, smart sensor nodes, capacitive touch interfaces, and low-power industrial monitors requiring stable component supply across extended product lifecycles.
Supply support for MSP430G2453IPW0RQ1 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 specializing in analog, embedded processing, and connectivity technologies with over 50 years of innovation in low-power design.
The MSP430G2x53 product line delivers ultra-low-power mixed-signal MCUs optimized for battery-operated and automotive applications-emphasizing rapid wake-up, integrated analog peripherals, and robust operation across harsh environments.
FAQ
What is the operating temperature range for the MSP430G2453IPW0RQ1?
The MSP430G2453IPW0RQ1 is qualified per AEC-Q100 Grade 2, supporting continuous operation from −40°C to +105°C. This extended range ensures reliable performance in under-hood automotive environments and industrial enclosures exposed to thermal cycling. The device's internal temperature sensor and brownout detector further enhance stability across this full range.
Does the MSP430G2453IPW0RQ1 support capacitive touch sensing?
Yes, the MSP430G2453IPW0RQ1 supports capacitive touch sensing on up to 24 I/O pins using its integrated analog comparator and Timer_A modules. It does not require external RC networks or dedicated touch controllers-enabling direct electrode connection and firmware-based touch algorithm implementation for buttons, sliders, and wheels.
What debug interface does the MSP430G2453IPW0RQ1 use?
The MSP430G2453IPW0RQ1 uses the Spy-Bi-Wire (SBW) interface, a two-wire variant of JTAG implemented on pins RST/NMI/SBWTDIO (Pin 16) and TEST/SBWTCK (Pin 17). This enables full in-circuit programming and debugging with minimal PCB footprint-no dedicated 4- or 14-pin JTAG header required.
Is the MSP430G2453IPW0RQ1 pin-compatible with the MSP430G2553IPW0RQ1?
Yes, the MSP430G2453IPW0RQ1 and MSP430G2553IPW0RQ1 share identical 20-pin TSSOP (PW0) packaging, pin assignments, electrical characteristics, and peripheral register maps. The only functional difference is flash size: 8 KB vs. 16 KB. Firmware compiled for one will run on the other without hardware changes.
What communication protocols are supported by the USCI modules in the MSP430G2453IPW0RQ1?
The MSP430G2453IPW0RQ1 features two USCI modules: USCI_A0 supports UART (with LIN auto-baud detection), IrDA, and SPI; USCI_B0 supports SPI and I²C. Both operate independently and can be active simultaneously-enabling concurrent communication with sensors (I²C), displays (SPI), and host controllers (UART/LIN).
MSP430G2453IPW0RQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Series:
- MSP430G2
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- 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, DMA, POR, PWM, WDT
- Number of I/O:
- 16
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 512 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:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430G2453IPW0RQ1 FAQ
1.How can I place an order for MSP430G2453IPW0RQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430G2453IPW0RQ1 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 MSP430G2453IPW0RQ1 reliable?
The price and inventory of MSP430G2453IPW0RQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430G2453IPW0RQ1 is usually 5 days.
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We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430G2453IPW0RQ1 transactions.
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MSP430G2453IPW0RQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430G2453IPW0RQ1 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 MSP430G2453IPW0RQ1?
For technical support, including MSP430G2453IPW0RQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430G2453IPW0RQ1 requirements.
6.How does Aetrix verify that MSP430G2453IPW0RQ1 is sourced from the original manufacturer or authorized distributors?
All MSP430G2453IPW0RQ1 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 MSP430G2453IPW0RQ1 meets industry standards.
7.What is the process for return or replacement of MSP430G2453IPW0RQ1?
All MSP430G2453IPW0RQ1 units undergo pre-shipment inspection (PSI). If there is an issue with MSP430G2453IPW0RQ1, 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 MSP430G2453IPW0RQ1 part is unused and in its original packaging.
Return procedure for MSP430G2453IPW0RQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MSP430G2453IPW0RQ1 Tags
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