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Texas Instruments MSP430F5635IPZ
- Part No.:
- MSP430F5635IPZ
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
MSP430F5635IPZ.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:180
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Product details
Overview
MSP430F5635IPZ from Texas Instruments is a 16-bit ultra-low-power mixed-signal microcontroller featuring 256 KB flash, 16 KB + 2 KB RAM, USB 2.0 full-speed interface, 12-bit ADC with 16 channels (12 external, 4 internal), four 16-bit timers, two USCI modules (UART/IrDA/SPI/I²C), and RTC with battery backup - deployed in portable sensor systems and handheld meters requiring extended battery life.
For engineers reviewing the MSP430F5635IPZ datasheet, MSP430F5635IPZ pinout, MSP430F5635IPZ application, or MSP430F5635IPZ equivalent, key selection criteria include USB integration, 74 I/O count in LQFP-100, active-mode current at 270 µA/MHz, LPM3 standby at 1.8 µA, and absence of integrated DACs compared to higher variants in the F563x family.
Technical Context
The MSP430F5635IPZ implements a 16-bit RISC CPUXV2 core with constant generators and hardware multiplier supporting 32-bit operations. Its unified clock system integrates FLL stabilization, VLO and REFO internal sources, XT1 (32 kHz), and XT2 (up to 32 MHz), enabling precise timing across five low-power modes.
Power management includes an integrated LDO with programmable core voltage, supply supervision, brownout detection, and dual-voltage USB power system (3.3 V/1.8 V). The device supports DMA-driven peripheral operation and fast 3 µs wakeup from LPM3, critical for duty-cycled sensing applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2 with hardware multiplier for 32-bit arithmetic - enables efficient signal processing without external coprocessor |
| Flash / RAM | 256 KB flash + 16 KB + 2 KB RAM - sufficient for USB stack, sensor fusion algorithms, and firmware updates in field-deployed devices |
| USB Interface | Full-speed USB 2.0 with integrated PHY, PLL, and 8 endpoints - eliminates need for external transceiver or clock source |
| ADC | 12-bit ADC12_A, 200 ksps, 16-channel autoscan (12 ext, 4 int) - supports simultaneous multi-sensor acquisition with internal temperature reference |
| Low-Power Modes | LPM3: 1.8 µA @ 2.2 V; LPM3.5 (RTC active): 1.1 µA @ 3.0 V; LPM4.5: 0.3 µA @ 3.0 V - enables years of operation on coin-cell batteries |
| Timers & USCI | Four 16-bit timers (TA0/TA1/TA2/TB0); two USCIs (USCI_A0/A1: UART/IrDA/SPI; USCI_B0/B1: I²C/SPI) - supports motor control PWM, serial sensor networks, and USB-to-serial bridging |
| I/O Count | 74 GPIO pins in LQFP-100 package - provides flexible peripheral mapping and redundancy for industrial I/O expansion |
Pinout & Package
LQFP-100 (14 mm × 14 mm) package with exposed thermal pad; 74 general-purpose I/O pins distributed across Ports P1–P9 and PJ, plus dedicated USB DP/DM, crystal (XIN/XOUT), reset (RST/NMI), and power rails (DVCC/DVSS/AVCC/AVSS/VCORE).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI | Reset / Non-maskable interrupt input | Active-low reset with Schmitt-trigger input; supports both power-on reset and external emergency halt |
| DP / DM | USB differential data pair | Full-speed USB 2.0 physical layer interface - requires 27 Ω series termination per line per TI design guidelines |
| XIN / XOUT | Low-frequency crystal oscillator terminals | Supports 32.768 kHz watch crystal for RTC; internal load capacitance configurable via software |
| DVCC / DVSS | Digital supply / ground | Core digital domain powered by internal LDO; DVCC must be decoupled with 100 nF ceramic capacitor near pin |
| AVCC / AVSS | Analog supply / ground | Independent analog rail for ADC/DAC/REF - isolation prevents digital noise from degrading 12-bit conversion accuracy |
| VCORE | Regulated core voltage output | Internally generated 1.8 V supply for CPU and peripherals - eliminates need for external core regulator |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 270 µA/MHz active mode; 1.8 µA LPM3 with RTC disabled - extends battery life in wireless sensor nodes beyond 5 years |
| Integrated USB subsystem | Full-speed PHY, 3.3 V/1.8 V power system, and USB-PLL - enables direct PC connectivity without level shifters or external clock |
| Flexible clock architecture | FLL-stabilized DCO, VLO, REFO, XT1, XT2 - allows seamless switching between precision crystal timing and low-power internal sources |
| Hardware-accelerated peripherals | 6-channel DMA, CRC16 module, MPY32 unit - offloads CPU during data transfers, checksum generation, and math-intensive tasks |
| Robust power management | Programmable LDO, SVS/SVM monitoring, brownout reset - ensures reliable operation across 1.8–3.6 V supply range with aging batteries |
Applications
| Portable Sensor Hub | USB-Enabled Handheld Meter |
|---|---|
|
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and CO₂ via I²C sensors and logging data over USB. IC Role / Device Role / Timing Role: Central controller managing sensor polling, ADC sampling, USB bulk transfers, and RTC timestamping. Use Value: LPM3.5 mode (1.1 µA) maintains RTC while preserving RAM; USB interface enables zero-driver configuration with Windows/Linux CDC ACM class. |
Use Scenario: Field-service multimeter with LCD display, keypad, and USB-C cable for real-time waveform capture and calibration upload. IC Role / Device Role / Timing Role: Main MCU executing measurement algorithms, driving SPI-based display, and handling USB device enumeration and descriptor responses. Use Value: 200 ksps ADC supports 50/60 Hz rejection; integrated USB PHY avoids external transceiver BOM cost and layout complexity. |
| Digital Thermostat Controller | Low-Power Remote Control Hub |
|
Use Scenario: Smart HVAC controller using thermistor inputs, relay drivers, and Zigbee/Bluetooth co-processor interfaced via UART. IC Role / Device Role / Timing Role: System manager coordinating sensor reads, communication handshaking, and sleep/wake scheduling. Use Value: 3 µs wakeup from LPM3 enables responsive button press detection; 74 GPIO support multiplexed keypad scanning and multiple relay outputs. |
Use Scenario: IR-to-RF bridge converting legacy remote commands into BLE packets for smart home gateways. IC Role / Device Role / Timing Role: Protocol translator with IR demodulation (via timer capture), packet assembly, and UART-to-BLE interface. Use Value: USCI_A0's enhanced UART auto-baud detection simplifies sync with variable IR carrier frequencies; LPM4.5 (0.3 µA) enables always-on listening. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430F5637IPZ | 192 KB flash, same 16 KB + 2 KB RAM, identical peripherals except reduced flash - no DAC, same USB/ADC/timers | Suitable where firmware footprint is <192 KB and cost sensitivity outweighs flash margin | Select when firmware size permits and lower BOM cost is prioritized over field-upgrade headroom |
| MSP430F5636IPZ | 128 KB flash, same RAM and peripheral set - matches MSP430F5635IPZ feature set but with less program storage | Targeted at fixed-function devices with minimal code requirements and strict cost targets | Choose for high-volume consumer products where flash overhead is unnecessary and PCB space is constrained |
Compared with MSP430F5637IPZ and MSP430F5636IPZ, the MSP430F5635IPZ offers maximum flash capacity (256 KB) within the non-DAC F563x LQFP-100 subset, making it optimal for USB-hosted firmware updates, cryptographic libraries, or multi-protocol stacks without sacrificing I/O count or low-power performance.
Availability
MSP430F5635IPZ is available at Aetrix Electronics and suitable for portable sensor systems, USB-connected test equipment, and battery-powered thermostats requiring stable component supply across multi-year production cycles.
Supply support for MSP430F5635IPZ 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 over 50 years of innovation in low-power microcontrollers and signal chain technologies.
The MSP430F5635IPZ belongs to the MSP430F5xx ultra-low-power MCU product line, designed specifically for energy-constrained applications demanding integrated USB, high-resolution analog front-ends, and sub-microamp sleep currents.
FAQ
Does the MSP430F5635IPZ include integrated DACs?
No, the MSP430F5635IPZ does not include DAC12_A modules. Unlike MSP430F5638IPZ or MSP430F5636IPZ, its device comparison table explicitly lists "–" under DAC12_A (Ch). This omission reduces silicon area and cost while retaining full ADC, USB, and timer functionality for applications not requiring analog output generation.
What is the maximum system clock frequency supported by the MSP430F5635IPZ?
The MSP430F5635IPZ supports up to 20 MHz system clock frequency using the FLL-controlled DCO or external XT2 crystal oscillator (up to 32 MHz). At 20 MHz, active-mode current is specified at 270 µA/MHz (5.4 mA typical), validated under 3.0 V supply conditions per SLAS650G Section 8.4.
Which package options are available for the MSP430F5635IPZ?
The MSP430F5635IPZ is offered exclusively in the LQFP-100 (PZ) package (14 mm × 14 mm), as confirmed in the Device Comparison table and Package Option Addendum of SLAS650G. While other F563x variants appear in nFBGA (ZCA) and MicroStar Junior BGA (ZQW), the IPZ suffix denotes the LQFP-100 variant only.
How many USB endpoints does the MSP430F5635IPZ support?
The MSP430F5635IPZ supports eight USB endpoints - four IN and four OUT - as stated in the Features section and verified in Section 9.14 (Device Descriptors) of SLAS650G. This enables concurrent control, interrupt, and bulk transfer pipes required for composite USB device implementations.
Is the MSP430F5635IPZ compatible with the MSP430F5638IPZ pinout?
Yes, the MSP430F5635IPZ shares identical pinout and package (LQFP-100) with MSP430F5638IPZ, MSP430F5637IPZ, and MSP430F5636IPZ, as shown in Figure 7-1 and confirmed in Table 6-1. Functional differences (e.g., flash size, DAC presence) do not affect mechanical or electrical pin compatibility.
MSP430F5635IPZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Series:
- MSP430F5xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- I2C, IrDA, LINbus, SCI, SPI, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 74
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 18K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430F5635IPZ FAQ
1.How can I place an order for MSP430F5635IPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430F5635IPZ 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 MSP430F5635IPZ reliable?
The price and inventory of MSP430F5635IPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430F5635IPZ is usually 5 days.
3.What payment methods are accepted for MSP430F5635IPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430F5635IPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430F5635IPZ?
MSP430F5635IPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430F5635IPZ 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 MSP430F5635IPZ?
For technical support, including MSP430F5635IPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430F5635IPZ requirements.
6.How does Aetrix verify that MSP430F5635IPZ is sourced from the original manufacturer or authorized distributors?
All MSP430F5635IPZ 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 MSP430F5635IPZ meets industry standards.
7.What is the process for return or replacement of MSP430F5635IPZ?
All MSP430F5635IPZ units undergo pre-shipment inspection (PSI). If there is an issue with MSP430F5635IPZ, 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 MSP430F5635IPZ part is unused and in its original packaging.
Return procedure for MSP430F5635IPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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