Texas Instruments MSP430F5506IRGZR
- Part No.:
- MSP430F5506IRGZR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MSP430F5506IRGZR.pdf
- Description:
- IC MCU 16BIT 24KB FLASH 48VQFN
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
MSP430F5506IRGZR from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller with integrated USB 2.0 PHY, 24 KB flash, 4 KB + 2 KB RAM, 10-bit ADC (6 external + 2 internal channels), single USCI (UART/IrDA/SPI/I²C), four 16-bit timers, RTC, hardware multiplier, and DMA - designed for battery-powered sensor nodes and USB-connected data loggers.
For engineers reviewing the MSP430F5506IRGZR datasheet, MSP430F5506IRGZR pinout, MSP430F5506IRGZR application, or MSP430F5506IRGZR equivalent, key selection criteria include USB 2.0 full-speed support with integrated PHY/LDO/PLL, 31 I/O pins in 48-pin VQFN (7 mm × 7 mm), LPM4.5 shutdown current of 0.18 µA, and compatibility with TI's MSP430F5xx toolchain and firmware libraries.
Technical Context
The MSP430F5506IRGZR implements a unified clock system with FLL stabilization, dual crystal oscillators (XT1 for 32-kHz RTC, XT2 up to 32 MHz), and low-power internal sources (VLO, REFO). Its power management includes an integrated LDO with programmable core voltage and supply supervision with brownout detection.
It features one USCI module configurable via port mapping on P4 for UART, IrDA, SPI, or I²C - not both A and B simultaneously - and uses a 3-channel DMA controller to offload CPU during ADC conversions, USB transfers, or timer-triggered memory moves.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPU with constant generators and 25-MHz max system clock - enables efficient C code execution and deterministic real-time response. |
| Flash / RAM | 24 KB flash (in-system programmable) + 4 KB main RAM + 2 KB USB SRAM - supports firmware updates and dual-bank buffering for USB endpoint handling. |
| USB Interface | Full-speed USB 2.0 (12 Mbps) with integrated PHY, 3.3-V/1.8-V power system, and USB-PLL - eliminates need for external transceiver or voltage regulators. |
| ADC10_A | 10-bit SAR ADC with 200 ksps sampling rate, 6 external + 2 internal input channels, and window comparator - suitable for precision analog sensor interfacing. |
| Low-Power Modes | LPM4.5 draws 0.18 µA at 3 V; wake-up from LPM3 in <5 µs - extends battery life in intermittent-sensing applications like environmental monitors. |
| I/O Count | 31 general-purpose I/O pins with Schmitt-trigger inputs, configurable drive strength, and port mapping - supports flexible peripheral routing in space-constrained layouts. |
| Package | VQFN-48 (RGZ), 7 mm × 7 mm, 0.5-mm pitch, exposed thermal pad - optimized for compact USB-enabled embedded designs with thermal reliability. |
Pinout & Package
VQFN-48 (RGZ) package with 7 mm × 7 mm body size, 0.5-mm lead pitch, and exposed thermal pad recommended to be connected to DVSS for thermal performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–4, 6–7, 9–10, 12–13, 15–22, 24–26, 29–36, 38–40, 42–48 | General-purpose I/O (P1–P6, PJ) | Configurable as digital input/output, timer capture/compare, USCI signals, or ADC inputs - mapped via port controller for functional flexibility. |
| 5, 8, 11, 14, 23, 27–28, 37, 41, 44–46 | Power and reference (AVCC1, AVSS1, DVCC1, DVSS1, VCORE, VSSU, VBUS, VUSB, V18, AVSS2) | Dual-domain power: AVCC/AVSS for analog peripherals; DVCC/DVSS for digital logic; V18 supplies USB PHY; VBUS enables VBUS sensing. |
| 38 (PU.0/DP), 40 (PU.1/DM) | USB differential data pair | Full-speed USB 2.0 D+ and D− lines with integrated termination and ESD protection - connect directly to USB connector without external components. |
| 39 (PUR) | USB pull-up resistor control | Internal 1.5-kΩ pull-up to VBUS enables USB device enumeration when asserted - controlled by software for attach/detach signaling. |
| 47 (TEST/SBWTCK), 48 (RST/NMI/SBWTDIO) | JTAG/Spy-Bi-Wire debug interface | Two-pin SBW interface supports programming and real-time debugging - compatible with TI MSP-FET and LaunchPad debug probes. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated USB 2.0 PHY + LDO + PLL | Eliminates 5+ external components (transceiver, regulators, clock source), reducing BOM cost and PCB area in USB-peripheral designs. |
| Ultra-low shutdown current (LPM4.5) | 0.18 µA at 3 V enables multi-year operation on coin-cell batteries in wake-on-event sensor applications. |
| Port mapping controller (P4) | Allows dynamic assignment of USCI functions (UART/I²C/SPI) to P4 pins - simplifies layout reuse across firmware variants. |
| Hardware multiplier (MPY32) | Completes 32-bit multiply in one cycle - accelerates filtering, FFT, and cryptographic operations without CPU overhead. |
| RTC with alarm and calibration | Accurate timekeeping with ±2 ppm drift over temperature, enabling precise timestamping in data loggers without external RTC IC. |
Applications
| USB-Powered Sensor Node | Portable Data Logger |
|---|---|
Use Scenario: Compact environmental monitor powered via USB bus, logging temperature/humidity every 10 seconds to internal flash. IC Role / Device Role / Timing Role: Central MCU managing ADC sampling, RTC-based scheduling, USB mass storage emulation, and low-power state transitions. Use Value: Integrated USB PHY and LPM4.5 enable direct USB power harvesting and 0.18 µA sleep current - no external regulator or RTC required. |
Use Scenario: Handheld industrial logger capturing analog sensor data, storing to flash, and uploading via USB when docked. IC Role / Device Role / Timing Role: Host controller for 10-bit ADC, flash file system manager, USB CDC/MSD device, and RTC timestamp generator. Use Value: 24 KB flash stores >10,000 samples; hardware multiplier accelerates CRC-16 checksums; 31 GPIO support multi-sensor expansion. |
| Wireless Headset Controller | USB HID Peripheral |
Use Scenario: Bluetooth headset with USB configuration interface for firmware updates and audio profile settings. IC Role / Device Role / Timing Role: USB device controller handling vendor-specific class requests while managing BLE SoC communication via UART. Use Value: Single USCI supports simultaneous UART (to BLE chip) and USB (to host), with DMA offloading both interfaces to preserve CPU bandwidth. |
Use Scenario: Programmable USB keyboard/mouse with customizable key mapping stored in flash and updated via USB. IC Role / Device Role / Timing Role: USB HID device with interrupt endpoints, debounced GPIO scanning, and flash-resident configuration table. Use Value: On-chip USB-PLL ensures stable 48-MHz clock for USB timing; 31 GPIO allow matrix scanning of 100+ keys with minimal external logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-power USB microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F5507IRGZR | 32 KB flash (vs. 24 KB), same peripherals, package, and pinout | Better suited for larger firmware images or future feature expansion | Select when additional flash headroom is required without changing PCB layout. |
| MSP430F5510IRGZR | Dual USCI modules (A0+A1+B0+B1), 47 I/O pins, 32 KB flash, 64-pin RGC package | Supports concurrent UART + I²C + SPI without port mapping trade-offs | Choose when multiple serial protocols must operate simultaneously and board space allows larger package. |
Compared with MSP430F5507IRGZR and MSP430F5510IRGZR, the MSP430F5506IRGZR offers optimal balance of USB integration, ultra-low-power operation, and compact 48-pin footprint for cost-sensitive, battery-aware USB peripherals where single-USCI functionality suffices.
Availability
MSP430F5506IRGZR is available at Aetrix Electronics and suitable for USB-connected sensor nodes, portable data loggers, and wireless headset controllers requiring stable component supply and long-term industrial availability.
Supply support for MSP430F5506IRGZR 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 and embedded processing solutions, with decades of expertise in ultra-low-power microcontrollers and signal chain technologies.
The MSP430F5506IRGZR belongs to the MSP430F5xx USB-capable microcontroller family, engineered for energy-constrained applications demanding native USB connectivity, precision analog integration, and robust real-time control.
FAQ
What USB speed and protocol does the MSP430F5506IRGZR support?
The MSP430F5506IRGZR supports full-speed USB 2.0 (12 Mbps) with integrated PHY, USB-PLL, and dedicated 3.3-V/1.8-V power system. It implements standard USB device classes including CDC, HID, and MSC via firmware - no external transceiver or clock oscillator is needed. The MSP430F5506IRGZR handles all USB packet parsing, endpoint buffering, and enumeration in hardware-assisted mode.
Does the MSP430F5506IRGZR include a hardware real-time clock (RTC)?
Yes, the MSP430F5506IRGZR integrates an RTC_A module with calendar mode, alarm interrupts, and automatic compensation for temperature-induced crystal drift. It operates from the 32-kHz XT1 crystal or VLO source in LPM3, retaining time across low-power modes with 1.9 µA typical current draw at 3 V. The MSP430F5506IRGZR RTC supports leap-year correction and century rollover per IEEE 1588 guidelines.
How many analog input channels does the ADC10_A module support on the MSP430F5506IRGZR?
The ADC10_A module on the MSP430F5506IRGZR supports 8 total channels: 6 external analog inputs (P6.0–P6.5) and 2 internal sources (VeREF+ and VeREF−). It delivers 200 ksps sampling rate with integral nonlinearity ≤±1 LSB and built-in window comparator for autonomous threshold triggering - all without CPU intervention. This capability is fully documented for the MSP430F5506IRGZR in the SLAS645L datasheet Section 5.35–5.37.
What is the lowest power consumption mode available on the MSP430F5506IRGZR?
The lowest power mode is LPM4.5 (shutdown mode), drawing 0.18 µA at 3 V with full RAM retention and fast wakeup. In this mode, the supply supervisor remains active, but all clocks and peripherals are disabled. The MSP430F5506IRGZR exits LPM4.5 within 1 µs upon RST/NMI assertion or VCC brownout recovery - making it ideal for infrequent-event wake-up systems like tamper-detection sensors.
Is the MSP430F5506IRGZR pin-compatible with other devices in the MSP430F55xx family?
The MSP430F5506IRGZR shares the same 48-pin VQFN (RGZ) package and pinout with MSP430F5504IRGZR, MSP430F5505IRGZR, and MSP430F5507IRGZR - enabling drop-in replacement within the RGZ variant group. However, it is not pin-compatible with 64-pin RGC or 80-pin ZXH/ZQE packages. Functional differences (e.g., flash size, ADC presence) require firmware validation but no PCB change when substituting within the RGZ footprint.
MSP430F5506IRGZR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 48-VFQFN Exposed Pad
- Series:
- MSP430F5xx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 31
- Program Memory Size:
- 24KB (24K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 6K 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:
MSP430F5506IRGZR FAQ
1.How can I place an order for MSP430F5506IRGZR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F5506IRGZR 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 MSP430F5506IRGZR reliable?
The price and inventory of MSP430F5506IRGZR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F5506IRGZR is usually 5 days.
3.What payment methods are accepted for MSP430F5506IRGZR?
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MSP430F5506IRGZR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F5506IRGZR 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 MSP430F5506IRGZR?
For technical support, including MSP430F5506IRGZR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F5506IRGZR requirements.
6.How does Aetrix verify that MSP430F5506IRGZR is sourced from the original manufacturer or authorized distributors?
All MSP430F5506IRGZR 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 MSP430F5506IRGZR meets industry standards.
7.What is the process for return or replacement of MSP430F5506IRGZR?
All MSP430F5506IRGZR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F5506IRGZR, 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 MSP430F5506IRGZR part is unused and in its original packaging.
Return procedure for MSP430F5506IRGZR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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