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MSP430F1101AIPW
Texas Instruments
IC MCU 16BIT 1KB FLASH 20TSSOP
80461 Pcs New Original In Stock
MSP430 CPU16 MSP430x1xx Microcontroller IC 16-Bit 8MHz 1KB (1K x 8 + 256B) FLASH 20-TSSOP
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5.0 / 5.0
- (284 Ratings)
MSP430F1101AIPW
Product Overview
1302717
DiGi Electronics Part Number
MSP430F1101AIPW-DGManufacturer
Texas Instruments
MSP430F1101AIPW
Description
IC MCU 16BIT 1KB FLASH 20TSSOPInventory
80461 Pcs New Original In Stock
MSP430 CPU16 MSP430x1xx Microcontroller IC 16-Bit 8MHz 1KB (1K x 8 + 256B) FLASH 20-TSSOP
Quantity
Minimum 1
Minimum 1
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MSP430F1101AIPW Technical Specifications
Category
Embedded, Microcontrollers
Packaging
Tube
Series
MSP430x1xx
Product Status
Active
DiGi-Electronics Programmable
Verified
Core Processor
MSP430 CPU16
Core Size
16-Bit
Speed
8MHz
Connectivity
-
Peripherals
POR, WDT
Number of I/O
14
Program Memory Size
1KB (1K x 8 + 256B)
Program Memory Type
FLASH
EEPROM Size
-
RAM Size
128 x 8
Voltage - Supply (Vcc/Vdd)
1.8V ~ 3.6V
Data Converters
Slope A/D
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Supplier Device Package
20-TSSOP
Package / Case
20-TSSOP (0.173", 4.40mm Width)
Base Product Number
MSP430F1101
Datasheet & Documents
Manufacturer Product Page
MSP430F1101AIPW Specifications
HTML Datasheet
MSP430F1101AIPW-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.31.0001
Additional Information
Other Names
TEXTISMSP430F1101AIPW
-MSP430F1101AIPW-NDR
-296-13720-5-DG
2156-MSP430F1101AIPW
296-13720-5-NDR
-296-13720-5
296-13720-5
Standard Package
70
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
J’ai été impressionné par leur capacité à gérer plusieurs commandes simultanément tout en restant efficaces.
de desembre 02, 2025
The packaging was as sleek and creative as their products, making the unboxing delightful.
de desembre 02, 2025
Their reliable shipping and prompt support create a very positive buying experience.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when integrating the MSP430F1101AIPW in ultra-low-power sensor applications, and how can they be mitigated?
When integrating the MSP430F1101AIPW in ultra-low-power sensor systems, a primary risk is unintentional current leakage due to floating I/O pins or improper configuration of unused peripherals. Since the device features only 14 I/O pins and lacks advanced power domains, ensure all unused pins are configured as outputs driven low or tied with pullup/pulldown resistors as needed. Additionally, verify that the WDT is properly disabled or configured in interval mode to avoid unexpected wakeups. Always use the lowest required core voltage (1.8V minimum) and leverage the device’s low-power modes (LPM3/LPM4) aggressively, especially since the internal oscillator supports operation down to 1.8V. Consider placing a low-ESR ceramic bypass capacitor (100nF) close to the VCC pin to maintain stable power during transition events, minimizing brown-out risks in battery-powered designs.
Can the MSP430F1101AIPW replace the MSP430F2012 in a legacy design, and what are the critical compatibility differences to evaluate?
While both the MSP430F1101AIPW and MSP430F2012 are 16-bit FLASH MSP430 microcontrollers in 20-TSSOP packages, direct replacement requires caution. The MSP430F1101AIPW has only 1KB of flash and 128B RAM versus 1KB/128B on the F2012, so code compatibility depends on memory footprint. More critically, the F2012 features a 16-bit timer and USI (universal serial interface), which the MSP430F1101AIPW lacks—this makes it unsuitable if your design relies on SPI/I2C emulation or precise timing. Additionally, the F1101A has a slope A/D converter but no dedicated ADC10 module, limiting analog resolution and speed. Validate pinout alignment and peripheral availability before migration; consider MSP430F2013 as a closer alternative if analog performance is critical.
How does the limited I/O count (14 pins) on the MSP430F1101AIPW impact board layout and functional integration in space-constrained embedded systems?
The 14 I/O pins on the MSP430F1101AIPW constrain multiplexing options in space-limited designs, requiring careful prioritization of critical signals. To avoid I/O exhaustion, consider using external GPIO expanders via push-pull control lines or dedicate specific pins for multifunction roles (e.g., shared ADC and digital input). Be aware that some pins serve dual purposes with the WDT and BOR circuits—misconfiguring these can lead to unintended resets. Use the port schematics from the datasheet to confirm drive strength (4mA typical) and ensure signal integrity for long traces. In dense PCB layouts, assign I/Os early in the schematic phase to prevent routing bottlenecks, especially since the 20-TSSOP package has a 0.65mm pitch, necessitating precise layout practices to avoid solder bridging.
What are the thermal and long-term reliability considerations when deploying the MSP430F1101AIPW in industrial environments near its 85°C operating limit?
Although the MSP430F1101AIPW is rated for operation up to 85°C (TA), sustained use near this limit in enclosed industrial enclosures can accelerate electromigration and oxide degradation over time. To enhance reliability, design for a maximum junction temperature below 75°C by minimizing active mode duty cycles and using LPM4 whenever possible. Ensure adequate PCB copper pour for thermal dissipation, especially on VCC and GND planes, despite the low power consumption. Avoid placing the device near heat sources like regulators or power MOSFETs. Additionally, due to the lack of ECC in flash memory, periodic firmware checksum validation is recommended in high-noise environments to detect corruption. The MSL 1 rating simplifies handling, but store reels in dry environments to prevent long-term moisture absorption before assembly.
How does the absence of communication peripherals in the MSP430F1101AIPW affect system integration, and what workarounds are effective for adding basic UART or SPI?
The MSP430F1101AIPW lacks built-in UART, SPI, or I2C peripherals, which limits direct communication capabilities—this requires bit-banging for serial protocols. When implementing software UART or SPI, ensure the 8MHz CPU clock provides sufficient timing resolution, and account for interrupt latency risks that could corrupt timing-critical frames. Use timer-based interrupts for accurate baud rate generation, even though only basic timer resources are available. For low-speed debugging or sensor polling, a three-pin SPI interface (using MOSI, SCLK, CS) can be bit-banged with minimal overhead. However, avoid high-speed (>115.2kbps) protocols due to CPU load; instead, consider adding a low-cost external bridge IC like the MAX3107 if reliable serial communication is essential. Always validate timing margins across voltage and temperature ranges.
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MSP430F1101AIPW CAD Models
Texas Instruments MSP430F1101AIPW PCB symbols & footprints
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