PIC32MX130F128HT-50I/PT - 32-bit MCU 50MHz 128KB Flash | Microchip
MPN: PIC32MX130F128HT-50I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.65 | $46.50 |
| 100 | $3.95 | $395.00 |
| 500 | $3.4 | $1,700.00 |
| 1,000 | $3.05 | $3,050.00 |
PIC32MX130F128HT-50I/PT Overview
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and programmable I/O peripherals. The PIC32MX family belongs to the broader hierarchy of embedded processor -> microcontroller -> 32-bit MCU -> MIPS-based MCU, designed by Microchip for cost-sensitive embedded applications that need higher performance than 8-bit or 16-bit cores without stepping up to ARM Cortex-M cost. The MIPS M4K core used here combines deterministic interrupt response with a 5-stage pipeline and hardware multiply/divide.
Key features include 128 KB Flash program memory, 16 KB SRAM, four SPI, two I2C, two UART, two I2S, PMP, 10-bit 1 Msps ADC with up to 28 analog inputs via PPS, CTMU for capacitive touch, and a wide operating voltage range. Industrial temperature range of -40C to +85C suits factory automation, building controls, and outdoor equipment.
The PIC32MX130 uses a Harvard architecture with separate Flash and SRAM buses, allowing simultaneous instruction fetch and data access. PPS remaps digital peripherals to almost any I/O pin, dramatically simplifying PCB layout when multiple SPI, UART, or PWM channels must be routed. PMP with dual buffers enables direct connection to graphical LCDs and parallel memory devices without external glue logic.
Typical applications include low-cost graphical HMI panels, sensor hubs with I2S audio capture, industrial controllers, home appliances, USB device bridges, and embedded data loggers. The combination of I2S, PMP, CTMU, and PPS allows a single chip to replace several external components.
Design consideration: route the ICSP/ICD pins (PGECx/PGEDx) to a 6-pin header for in-circuit debugging and Flash programming - omitting this costs zero board area but blocks field firmware updates. Decouple VDDCORE/VSS pair with 100 nF plus 10 uF ceramic close to the pins.
This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes beyond what the Microchip datasheet alone provides for engineering evaluation.
Drop-in alternatives for PIC32MX130F128HT-50I/PT — 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 PIC32MX130F128HT-50I/PT (same form factor and footprint) — differing in ADC, PMP (Parallel Master Port), Package, CTMU (Capacitive Touch), MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX130F128H-50I/PT
✅ Drop-In✓ In Stock
$2.04 / Unit
View Datasheet →PIC32MX130F128HT-V/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX130F128HT-50I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX130F064HT-50I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX230F128HT-50I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX130F128HT-50I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum Core Frequency | 50 MHz |
| Performance | 83 DMIPS |
| Program Flash | 128 KB (128K x 8) |
| SRAM | 16 KB |
| Pin Count | 64 |
| Package | TQFP-64 (10x10 mm) |
| Operating Voltage | 2.3 V to 3.6 V |
| I/O Voltage | 3.3 V (5V tolerant inputs) |
| Operating Temperature | -40C to +85C (Industrial) |
| ADC | 10-bit, up to 1 Msps, up to 28 channels via PPS |
| SPI Modules | 4 |
| I2S Modules | 2 |
| UART Modules | 2 |
| I2C Modules | 2 |
| PMP (Parallel Master Port) | Yes, with dual read/write buffers |
| Peripheral Pin Select (PPS) | Yes |
| CTMU (Capacitive Touch) | Yes |
| DMA | 4 channels |
| Mounting Type | Surface Mount |
| MSL Level | 3 |
| RoHS Status | Compliant |
PIC32MX130F128HT-50I/PT Pin Configuration
| Pin 1 | RD0/PMD0 — I/O port D bit 0 / PMP data bit 0 |
| Pin 2 | RD1/PMD1 — I/O port D bit 1 / PMP data bit 1 |
| Pin 3 | RD2/PMD2 — I/O port D bit 2 / PMP data bit 2 |
| Pin 4 | RD3/PMD3 — I/O port D bit 3 / PMP data bit 3 |
| Pin 5 | RD4/PMD4 — I/O port D bit 4 / PMP data bit 4 |
| Pin 6 | RD5/PMD5 — I/O port D bit 5 / PMP data bit 5 |
| Pin 7 | RD6/PMD6 — I/O port D bit 6 / PMP data bit 6 |
| Pin 8 | RD7/PMD7 — I/O port D bit 7 / PMP data bit 7 |
| Pin 9 | RC14/SOSCO — I/O port C bit 14 / secondary oscillator output |
| Pin 10 | RC15/SOSCI — I/O port C bit 15 / secondary oscillator input |
| Pin 11 | VSS — Ground |
| Pin 12 | VDD — Power supply 2.3-3.6V |
| Pin 13 | PGED1/EMUD1 — ICSP programming data / trace data |
| Pin 14 | PGEC1/EMUC1 — ICSP programming clock / trace clock |
| Pin 15 | PGED2/EMUD2 — ICSP alternate data / trace data 2 |
| Pin 16 | PGEC2/EMUC2 — ICSP alternate clock / trace clock 2 |
| Pin 17 | OSC1/CLKI — Primary oscillator input / external clock input |
| Pin 18 | OSC2/CLKO — Primary oscillator output / clock output |
| Pin 19 | VSS — Ground |
| Pin 20 | VDD — Power supply 2.3-3.6V |
| Pin 21 | RA0 — I/O port A bit 0 |
| Pin 22 | RA1 — I/O port A bit 1 |
| Pin 23 | RA2 — I/O port A bit 2 |
| Pin 24 | RA3 — I/O port A bit 3 |
| Pin 25 | RA4 — I/O port A bit 4 |
| Pin 26 | RA5 — I/O port A bit 5 |
| Pin 27 | RA6 — I/O port A bit 6 |
| Pin 28 | RA7 — I/O port A bit 7 |
| Pin 29 | RB0/PGD0 — I/O port B bit 0 / secondary programming data |
| Pin 30 | RB1/PGC0 — I/O port B bit 1 / secondary programming clock |
| Pin 31 | RB2 — I/O port B bit 2 |
| Pin 32 | RB3 — I/O port B bit 3 |
| Pin 33 | RB4 — I/O port B bit 4 |
| Pin 34 | RB5 — I/O port B bit 5 |
| Pin 35 | RB6 — I/O port B bit 6 |
| Pin 36 | RB7 — I/O port B bit 7 |
| Pin 37 | VSS — Ground |
| Pin 38 | VDD — Power supply 2.3-3.6V |
| Pin 39 | RC0 — I/O port C bit 0 |
| Pin 40 | RC1 — I/O port C bit 1 |
| Pin 41 | RC2 — I/O port C bit 2 |
| Pin 42 | RC3 — I/O port C bit 3 |
| Pin 43 | RC4 — I/O port C bit 4 |
| Pin 44 | RC5 — I/O port C bit 5 |
| Pin 45 | RC6 — I/O port C bit 6 |
| Pin 46 | RC7 — I/O port C bit 7 |
| Pin 47 | RC8 — I/O port C bit 8 |
| Pin 48 | RC9 — I/O port C bit 9 |
| Pin 49 | VSS — Ground |
| Pin 50 | VDD — Power supply 2.3-3.6V |
| Pin 51 | RE0 — I/O port E bit 0 |
| Pin 52 | RE1 — I/O port E bit 1 |
| Pin 53 | RE2 — I/O port E bit 2 |
| Pin 54 | RE3 — I/O port E bit 3 |
| Pin 55 | RE4 — I/O port E bit 4 |
| Pin 56 | RE5 — I/O port E bit 5 |
| Pin 57 | RE6 — I/O port E bit 6 |
| Pin 58 | RE7 — I/O port E bit 7 |
| Pin 59 | RF0 — I/O port F bit 0 |
| Pin 60 | RF1 — I/O port F bit 1 |
| Pin 61 | RF2 — I/O port F bit 2 |
| Pin 62 | RF3 — I/O port F bit 3 |
| Pin 63 | RF4 — I/O port F bit 4 |
| Pin 64 | RF5 — I/O port F bit 5 |
Typical Applications
PIC32MX130F128HT-50I/PT is suitable for 7 applications: Low-Cost Graphical HMI Panel, Industrial Sensor Hub, Audio Capture with I2S Microphone Array, Home Appliance Control Board, USB-to-UART/I2C/SPI Bridge, IoT Edge Sensor Node, Motor Control and PWM Drive.
Low-Cost Graphical HMI Panel
The PIC32MX130F128HT-50I/PT's Parallel Master Port (PMP) with dual read/write buffers drives graphical LCDs directly without external address latch or bus driver, reducing BOM cost. The 50 MHz MIPS M4K core and 16 KB SRAM handle mid-resolution UIs with refresh rates above 30 fps, while Peripheral Pin Select (PPS) routes PMP data lines to free pins, simplifying PCB layout. Pin compatibility with the 64-pin TQFP allows the same PCB to scale from non-USB (PIC32MX130) to USB (PIC32MX230) designs.
Recommended
Industrial Sensor Hub
The 10-bit ADC with up to 1 Msps sampling rate, four SPI modules, two I2C modules, and PPS allow the PIC32MX130F128HT-50I/PT to aggregate data from multiple sensors in industrial environments. The 128 KB Flash accommodates protocol stacks (Modbus RTU, MQTT) while 16 KB RAM buffers data bursts. Industrial -40C to +85C rating ensures operation in factory floor enclosures. The 4-channel DMA offloads ADC conversions and SPI transfers, freeing CPU cycles for application logic.
Recommended
Audio Capture with I2S Microphone Array
Two I2S modules let the PIC32MX130F128HT-50I/PT interface directly to digital MEMS microphones for beam-forming or stereo capture without external audio codecs. The 50 MHz core performs basic DSP (filtering, peak detection) in real time at 16 kHz sample rates, while PPS remaps I2S bit-clock and word-select lines to convenient board locations. CTMU and DMA support simultaneous microphone sampling and processing, ideal for voice-controlled IoT endpoints and acoustic monitoring.
Recommended
Home Appliance Control Board
The combination of 4x SPI (for motor drivers/display), 2x UART (for diagnostic/Wi-Fi modules), 2x I2C (for sensors/EEPROM), and PMP (for graphical user interface) makes the PIC32MX130F128HT-50I/PT ideal for washing machine, dishwasher, or HVAC control boards. The 2.3-3.6V supply range tolerates wide mains-derived DC bus variations, and industrial temp grade -40C to +85C ensures reliability in unconditioned enclosures. PIC32 code libraries from Microchip accelerate time-to-market for appliance-specific features.
Recommended
USB-to-UART/I2C/SPI Bridge
Although the PIC32MX130F128HT-50I/PT lacks native USB, pairing it with an external USB-UART bridge (e.g., MCP2200 or MCP2221) creates a cost-effective USB-to-multi-protocol gateway for legacy serial equipment. The 128 KB Flash supports custom protocol translation firmware, and 16 KB RAM buffers high-speed serial traffic. PPS remapping lets engineers route bridge interfaces to convenient PCB locations without redesigning existing boards.
Recommended
IoT Edge Sensor Node
For IoT endpoints that communicate via UART-connected Wi-Fi or Sub-GHz radio modules, the PIC32MX130F128HT-50I/PT provides ample processing for sensor fusion, local decision-making, and power management. The 50 MHz core with 83 DMIPS handles edge analytics while the MCU's low-power Run/Idle/Sleep modes extend battery life. CTMU enables capacitive touch wake-up from sleep, and the industrial temperature range supports outdoor deployment in smart agriculture, asset tracking, and environmental monitoring.
Recommended
Motor Control and PWM Drive
The PIC32MX130F128HT-50I/PT's PWM/OC modules with PPS support multi-phase motor control topologies including BLDC, stepper, and DC brushed motors. The 50 MHz core generates high-resolution PWM frequencies for low-noise operation, and the 4-channel DMA offloads commutation timing from the CPU. Industrial temperature grade suits automotive and industrial motor applications, while PIC32 motor control libraries (MCLV, MCHV) from Microchip provide ready-to-port firmware.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX130F128HT-50I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX130F128H-50I/PT | PIC32MX130F128HT-V/PT | PIC32MX130F064HT-50I/PT | PIC32MX230F128HT-50I/PT |
|---|---|---|---|---|---|
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit |
| Maximum Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 64 KB | 128 KB |
| SRAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +105C (Extended) | -40C to +85C | -40C to +85C |
| USB 2.0 | No | No | No | No | Yes (Full-Speed with internal transceiver) |
| ADC Resolution | 10-bit 1 Msps | 10-bit 1 Msps | 10-bit 1 Msps | 10-bit 1 Msps | 10-bit 1 Msps |
Key Differentiators
- Same-die tape-and-reel form factor for production volumes (vs PIC32MX130F128H-50I/PT)
- Extended temperature option in identical TQFP-64 footprint (vs PIC32MX130F128HT-V/PT)
- Reduced Flash option for cost-sensitive designs (vs PIC32MX130F064HT-50I/PT)
- USB-enabled variant for direct host connectivity (vs PIC32MX230F128HT-50I/PT)
Design Notes
Place 100 nF and 10 uF ceramic decoupling capacitors as close as possible to each VDD/VSS pair (pins 12/11, 20/19, 38/37, 50/49). Use a 4-layer PCB with a dedicated ground plane and a 3.3V power plane routed directly under the MCU. Keep trace lengths to VDD pins under 5 mm to minimize switching noise. The ICSP pins PGEC1/PGED1 and PGEC2/PGED2 must each have their own dedicated 100 nF decoupling and series ferrite bead if long programming cables are used in production.
When using Peripheral Pin Select (PPS), remap digital peripherals (UART, SPI, I2C) to free I/O pins to simplify PCB routing and avoid bus contention. Avoid routing the analog inputs (ANx) near high-speed digital switching signals; place a ground guard ring around sensitive analog traces. The PMP data bus (PMD0-PMD7) should be routed with matched trace lengths and terminated with series 22-33 ohm resistors if the bus length exceeds 50 mm.
Do NOT exceed 3.6V on any digital I/O pin even though the datasheet lists 5V-tolerant inputs on most pins - the analog inputs (ANx) and VDD are NOT 5V-tolerant. Configure unused I/O pins as outputs (low) rather than inputs (floating) to minimize current consumption in sleep modes. The internal voltage regulator requires a 10 uF tantalum or ceramic capacitor on the VDDCORE pin to ensure stable operation; omitting this causes erratic behavior or boot failures.
The PIC32MX130F128HT-50I/PT draws approximately 30 mA active at 50 MHz and 5-15 mA in idle, with deep sleep currents below 50 uA. Use a low-dropout regulator (LDO) such as MCP1700 or TPS7A0233 with PSRR above 60 dB at 1 MHz to ensure clean analog ADC readings. Estimated: for battery-powered designs, duty-cycling the ADC via DMA with sleep between conversions can extend battery life by 5-10x compared to continuous sampling.
Compliance Information
RoHS compliant and lead-free per Microchip product page. Industrial temperature grade -40C to +85C. Not AEC-Q100 qualified; for AEC-Q100 automotive applications, use PIC32MX1xx/2xx variants in the automotive portfolio. Halogen-free and conflict-minerals compliant.