PIC32MX130F256B-V/SS - 32-bit MCU 256KB Flash 40MHz 28-SSOP
MPN: PIC32MX130F256B-V/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.45 | $6.45 |
| 10 | $5.78 | $57.80 |
| 100 | $5.12 | $512.00 |
| 500 | $4.55 | $2,275.00 |
| 1,000 | $4.1 | $4,100.00 |
PIC32MX130F256B-V/SS Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, Flash program memory, SRAM, and a rich set of peripherals on one die. PIC32MX devices specifically use a MIPS32 M4K Harvard-architecture core delivering up to 83 DMIPS at 50 MHz, placing this part in the hierarchy: MCU -> 32-bit MCU -> MIPS core MCU -> PIC32MX family -> embedded controller. The 256 KB Flash supports complex application code, while 16 KB SRAM accommodates data buffers and protocol stacks.
Key features include 256 KB Flash program memory (256K x 8), 16 KB SRAM, a 10-bit ADC with up to 13 input channels, USB 2.0 full-speed device/host/OTG support, two I2S/SPI modules for audio codecs, Peripheral Pin Select (PPS) for flexible signal routing, a Parallel Master Port (PMP) for graphics interfaces, a Charge Time Measurement Unit (CTMU) for capacitive touch, and an RTCC. UART, I2C, and JTAG (4-wire MIPS Enhanced) interfaces are also integrated.
The PIC32MX130F256B-V/SS uses the Microchip MPLAB X IDE ecosystem with MPLAB Harmony framework, XC32 compiler, and programming via MPLAB Snap, PICkit, or ICD debuggers. In-circuit and in-application programming is supported. The architecture separates peripheral functions from fixed pin assignments via PPS, dramatically simplifying board layout when multiple serial interfaces conflict on default pin locations.
Typical applications include automotive body and comfort modules, USB peripherals, consumer audio devices with I2S codec interfaces, low-cost graphic displays driven through PMP, capacitive touch user interfaces using CTMU, industrial sensor nodes with UART/I2C peripherals, and IoT edge devices requiring USB connectivity. The AEC-Q100 -V grade makes this part especially suited for cabin electronics, HVAC controls, and instrument clusters where automotive qualification is required.
When designing with this MCU, allocate proper decoupling (100 nF + 10 uF) near each VDD pin pair, observe the 3.3V core voltage constraint, and use the PPS feature to remap peripherals away from conflicting default pins. The automotive -V grade requires careful BOM control - confirm all adjacent components share equivalent automotive qualifications if the end product targets vehicle integration.
Drop-in alternatives for PIC32MX130F256B-V/SS — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC32MX130F256B-V/SS (same form factor and footprint) — differing in ADC, Package, Operating Temperature, Maximum CPU Frequency, USB.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX130F256BT-V/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX130F256B-I/SS
✅ Drop-In✓ In Stock
$3.15 / Unit
View Datasheet →PIC32MX130F256B-V/SP
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX130F256B-50V/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX150F256B-V/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX170F256B-V/SS
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →PIC32MX130F256B-V/SS Maximum Ratings & Electrical Characteristics
| Core | MIPS32 M4K |
| Bit Width | 32-bit |
| Maximum CPU Speed | 40 MHz |
| DMIPS | 83 DMIPS at 50 MHz (family rating) |
| Program Memory (Flash) | 256 KB (256K x 8) |
| SRAM | 16 KB |
| Operating Voltage | 2.5V / 3.3V |
| ADC | 10-bit |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| I2S/SPI Modules | 2 |
| PPS (Peripheral Pin Select) | Yes |
| PMP (Parallel Master Port) | Yes |
| CTMU (Capacitive Touch) | Yes |
| RTCC | Yes |
| Package | 28-pin SSOP (5.30 mm body) |
| Operating Temperature | -40C to +105C (automotive -V grade) |
| AEC-Q100 | Qualified (automotive -V suffix) |
| RoHS Status | Compliant |
PIC32MX130F256B-V/SS Pin Configuration
| Pin 1 | SDA2/RPA9/PMA9/CTED4/PMA1 — I2C2 data / GPIO / PMP address / CTMU |
| Pin 2 | SCL2/RPA8/PMA8/CTED2/PMA0 — I2C2 clock / GPIO / PMP address / CTMU |
| Pin 3 | RPB0/PMP0/RTCC/INT0 — GPIO / PMP data / RTCC / External interrupt 0 |
| Pin 4 | RPB1/PMP1/PGEC1 — GPIO / PMP data / Programming clock (PGEC1) |
| Pin 5 | RPB2/PMP2/PGED1 — GPIO / PMP data / Programming data (PGED1) |
| Pin 6 | RPB3/PMP3/AN9 — GPIO / PMP data / ADC input 9 |
| Pin 7 | VSS — Ground |
| Pin 8 | VDD — Positive supply (2.5V-3.6V) |
| Pin 9 | RPB4/PMP4/AN10 — GPIO / PMP data / ADC input 10 |
| Pin 10 | RPB5/PMP5/AN11/DMA0 — GPIO / PMP data / ADC input 11 / DMA |
| Pin 11 | VSS — Ground |
| Pin 12 | VDD — Positive supply (2.5V-3.6V) |
| Pin 13 | RPB6/PMP6/AN12/PGEC2 — GPIO / PMP data / ADC input 12 / PGEC2 |
| Pin 14 | RPB7/PMP7/AN13/PGED2 — GPIO / PMP data / ADC input 13 / PGED2 |
| Pin 15 | RPB8/PMP8/AN14/C1OUT — GPIO / PMP data / ADC input 14 / Comparator output |
| Pin 16 | RPB9/PMP9/AN15/C2OUT — GPIO / PMP data / ADC input 15 / Comparator output |
| Pin 17 | D-/RPB10 — USB D- / GPIO |
| Pin 18 | D+/RPB11 — USB D+ / GPIO |
| Pin 19 | VUSB — USB transceiver supply (3.3V) |
| Pin 20 | VSS — Ground |
| Pin 21 | VDD — Positive supply (2.5V-3.6V) |
| Pin 22 | RPF0/C1IND/C2IND — GPIO / Comparator input |
| Pin 23 | RPF1/C1INC/C2INC — GPIO / Comparator input |
| Pin 24 | RPF4/PMA5 — GPIO / PMP address |
| Pin 25 | RPF5/PMA6 — GPIO / PMP address |
| Pin 26 | AN0/CVREF-/RA0 — ADC input 0 / Comparator Vref- / GPIO |
| Pin 27 | AN1/CVREF+/RA1 — ADC input 1 / Comparator Vref+ / GPIO |
| Pin 28 | OSC1/CLKI/RA2 — Crystal input / External clock / GPIO |
Typical Applications
PIC32MX130F256B-V/SS is suitable for 6 applications: Automotive Body Control Module, USB Peripheral Device (HID, CDC, Mass Storage), Consumer Audio with I2S Codec, Capacitive Touch User Interface, Industrial Sensor Hub with UART/I2C, USB-Connected Data Acquisition Module.
Automotive Body Control Module
The PIC32MX130F256B-V/SS fits automotive body control modules because its AEC-Q100 qualification covers cabin electronics, 256 KB Flash holds the application plus USB diagnostic stack, and 16 KB SRAM accommodates CAN-over-SPI message buffers. The 28-SSOP package footprint fits in tight door-module enclosures, and the 40 MHz MIPS core processes 10 Hz sensor polling plus event-driven interrupts with adequate headroom. PPS remapping avoids PCB rework when adding I2C sensor clusters. Realistic deployment: seat control, lighting, and mirror modules - all requiring automotive-grade qualification that the -V suffix provides.
Recommended
USB Peripheral Device (HID, CDC, Mass Storage)
The PIC32MX130F256B-V/SS integrated USB 2.0 full-speed OTG controller makes it a natural choice for USB peripheral designs including HID input devices, CDC virtual COM ports, and USB mass storage. The 256 KB Flash holds the full USB stack plus application logic, while the 10-bit ADC and PWM channels support mixed-signal peripheral functions. Compared to external USB interface chips, the on-chip integration reduces BOM cost by $1-2 and shrinks PCB footprint. The automotive -V grade qualifies for in-cabin USB charging ports and data logging dongles.
Recommended
Consumer Audio with I2S Codec
The PIC32MX130F256B-V/SS two I2S/SPI modules connect directly to audio codecs such as the SGTL5000 or WM8731, enabling digital audio playback and recording systems. With 16 KB SRAM and 256 KB Flash, the MCU can run USB audio class firmware, decode audio sample streams, and apply software DSP effects in real time at 40 MHz. The PMP peripheral drives a small LCD for track/title display. Typical deployment: portable Bluetooth audio receivers (USB-powered), USB audio DACs, and automotive infotainment sub-modules.
Recommended
Capacitive Touch User Interface
The PIC32MX130F256B-V/SS Charge Time Measurement Unit (CTMU) provides hardware-timed capacitive touch sensing for buttons, sliders, and proximity sensors - no external touch IC required. The peripheral uses constant-current source and timing measurement to detect capacitance changes with sub-pF resolution. Combined with 256 KB Flash for touch algorithms and graphics, the MCU can drive small TFT displays through PMP while scanning up to 13 touch channels. Typical deployment: appliance control panels, automotive HMI buttons, and IoT smart-home control surfaces.
Recommended
Industrial Sensor Hub with UART/I2C
The PIC32MX130F256B-V/SS UART, I2C, and SPI interfaces aggregate data from multiple industrial sensors, including temperature, pressure, and flow sensors with digital outputs. The 256 KB Flash supports Modbus RTU, IO-Link, or proprietary industrial protocols, while the 16 KB SRAM buffers incoming measurement streams. The AEC-Q100 -V grade qualifies the design for industrial environments with vibration and extended temperature exposure. Engineers can leverage the PIC32 Harmony framework for rapid protocol stack development.
Recommended
USB-Connected Data Acquisition Module
The PIC32MX130F256B-V/SS USB 2.0 full-speed interface combined with 10-bit ADC and PMP creates a compact USB data acquisition (DAQ) module for laboratory and field use. Up to 13 ADC channels at 10-bit resolution can sample at the 1 Msps aggregate rate of the ADC peripheral, with DMA transferring samples to a host PC via USB. The automotive -V grade ensures reliable operation in vehicle-mounted test equipment and outdoor measurement systems. The 28-SSOP small package fits into miniaturized form factors.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX130F256B-V/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX130F256BT-V/SS | PIC32MX130F256B-I/SS | PIC32MX130F256B-50V/SS | PIC32MX150F256B-V/SS | PIC32MX170F256B-V/SS |
|---|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Architecture | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit (same) | MIPS32 M4K 32-bit (same) | MIPS32 M4K 32-bit (same) | MIPS32 M4K 32-bit (same) | MIPS32 M4K 32-bit (same) |
| Maximum CPU Speed | 40 MHz | 40 MHz | 40 MHz | 50 MHz (+25%) | 50 MHz (+25%) | 50 MHz (+25%) |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| SRAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Temperature Grade | Automotive -40C to +105C (-V) | Automotive -40C to +105C (-V) | Industrial -40C to +85C (-I) | Automotive -40C to +105C (-V) | Automotive -40C to +105C (-V) | Automotive -40C to +105C (-V) |
| AEC-Q100 Qualified | Yes (automotive -V) | Yes (automotive -V) | No (industrial only) | Yes (automotive -V) | Yes (automotive -V) | Yes (automotive -V) |
| USB Support | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG |
Key Differentiators
- AEC-Q100 automotive qualification at 40 MHz with USB (vs PIC32MX130F256B-I/SS)
- 40 MHz speed grade optimized for cost-sensitive automotive (vs PIC32MX130F256B-50V/SS)
- Native USB 2.0 FS OTG with on-chip transceiver (vs PIC32MX230F256B-V/SS)
Design Notes
Decoupling is critical for stable 40 MHz MIPS32 core operation. Place a 100 nF ceramic capacitor on each VDD/VSS pin pair (the 28-SSOP has three VDD pins and three VSS pins), plus a bulk 10 uF tantalum or ceramic capacitor near the MCU. Add a separate 100 nF decoupling on the VUSB pin to keep USB-accurate clocking stable. Estimated: at 40 MHz with USB active, peak supply current reaches ~70 mA; bulk capacitor sizing assumes 50 mA switching transients within 100 ns. Source: Microchip PIC32MX1XX/2XX family datasheet power section.
Use the Peripheral Pin Select (PPS) feature to remap peripheral functions to available pins, simplifying PCB routing. The 28-SSOP has limited I/O count - PPS allows UAR TX, I2C SDA, SPI MOSI, and similar signals to be mapped to multiple candidate pins. Avoid routing USB D+/D- traces longer than 50 mm and keep them as a 90-ohm differential pair per USB 2.0 specification. The 28-SSOP's 0.65 mm pitch permits standard 4-layer PCB routing.
The 28-SSOP package has a thermal resistance of approximately 90 C/W theta_JA, suitable for the MCU's typical 30-50 mA active current. At 40 MHz with USB and ADC active, estimated dissipation is approximately 165 mW (3.3V x 50 mA), resulting in a junction temperature rise of 15C above ambient. For automotive +105C ambient deployments, the MCU operates well below its 125C maximum junction temperature, but ensure adequate PCB copper pour under the exposed leads for thermal spreading.
Critical pitfalls: (1) Both PGECx/PGEDx pins must be connected for in-circuit programming - leaving either disconnected prevents programming. (2) The USB 48 MHz clock must be precise (within 0.25% accuracy) - use the dedicated crystal or PLL configuration. (3) All VSS pins must be tied to ground - floating VSS causes erratic behavior. (4) The -V automotive grade requires PPAP documentation - confirm with Microchip before customer-facing deliveries. (5) PPS configuration must be set before the peripheral is enabled, otherwise signals route to default pins.
Compliance Information
AEC-Q100 qualified per the -V suffix in the MPN. RoHS and REACH compliant per Microchip product declaration. Halogen-free per industry standard Microchip documentation.
