PIC32MX170F512L-V/PT - 32-bit MCU 512KB Flash, 100-TQFP | Microchip
MPN: PIC32MX170F512L-V/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.1 | $8.10 |
| 10 | $7.32 | $73.20 |
| 100 | $6.55 | $655.00 |
| 500 | $5.95 | $2,975.00 |
| 1,000 | $5.4 | $5,400.00 |
PIC32MX170F512L-V/PT Overview
What is a PIC32MX microcontroller? The PIC32MX1XX/2XX/5XX family is Microchip's mainstream 32-bit MIPS microcontroller line, bridging 8/16-bit PIC MCU users into 32-bit performance. Within the broader taxonomy, PIC32MX sits above 16-bit PIC24/dsPIC and below 32-bit PIC32MZ/Cortex-M4 devices, offering up to 83 DMIPS at 50 MHz with USB, CAN, and advanced peripherals. The '170' sub-family specifically targets audio/graphics/touch HMI applications with PMP graphics, I2S audio, and CTMU touch peripherals.
Key differentiating features include 512 KB self-programmable Flash, 64 KB SRAM, USB 2.0 full-speed OTG, CAN 2.0B, up to 13 ADC channels (10-bit 1 Msps), five 16-bit timers/counters, two comparators, and a Peripheral Pin Select that remaps most digital peripherals to any of the 100 pins. The integrated CTMU enables capacitive touch sensing for buttons, sliders, and proximity detection without external components.
The MIPS32 M4K core delivers 1.56 DMIPS/MHz and supports the MIPS16e instruction set for 40% code compression, freeing Flash for application code. Hardware Multiply/Divide unit executes 32x32 in one cycle. Single-cycle Flash access delivers deterministic performance at 50 MHz, with zero-wait-state execution from Flash prefetch cache. Compared to Cortex-M0+ parts at the same frequency, the PIC32MX170 offers substantially more SRAM and richer peripherals at modest power.
Typical applications include automotive HMI clusters, USB audio bridges, CAN-connected industrial sensors, graphic LCD controllers with PMP, capacitive touch user interfaces, and USB-CAN gateways. The AEC-Q100 qualification makes the -V (automotive) grade suitable for in-cabin automotive modules.
Design consideration: the PPS feature requires configuration via SFR writes at startup before the remapped peripherals operate, so initialize PPS in the first lines of main(). Decoupling requires 0.1 uF and 10 uF capacitors close to each VDD/VSS pair; the device has multiple VDD/VSS pins across the 100-TQFP layout.
This page synthesizes distributor pricing, drop-in automotive and industrial variants, and practical PIC32MX170 design notes not found on the manufacturer product page alone.
Drop-in alternatives for PIC32MX170F512L-V/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 PIC32MX170F512L-V/PT (same form factor and footprint) — differing in ADC, Package, Operating Temperature, Parallel Master Port (PMP), UART Modules.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX170F512LT-V/PT
✅ Drop-In✓ In Stock
$4.83 / Unit
View Datasheet →PIC32MX170F512L-I/PT
✅ Drop-In✓ In Stock
$4.2 / Unit
View Datasheet →PIC32MX170F512LT-I/PT
✅ Drop-In✓ In Stock
$6.4 / Unit
View Datasheet →PIC32MX170F512L-50I/PF
✅ Drop-In✓ In Stock
$5.55 / Unit
View Datasheet →PIC32MX170F512HT-50I/PT
✅ Drop-In✓ In Stock
$4.32 / Unit
View Datasheet →PIC32MX170F512LT-I/PF
✅ Drop-In✓ In Stock
$4.05 / Unit
View Datasheet →PIC32MX170F512L-V/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| Core Frequency (max) | 50 MHz |
| DMIPS | 83 DMIPS |
| Instruction Set | MIPS32 with MIPS16e code compression |
| Program Flash | 512 KB |
| SRAM | 64 KB |
| Operating Voltage | 2.3 V to 3.6 V (3.3 V typical) |
| I/O Pins | 85 (approximately, 100-pin package) |
| ADC | 10-bit, 1 Msps, up to 48 channels |
| USB | USB 2.0 Full-Speed OTG |
| CAN | CAN 2.0B |
| SPI Modules | 4 (configurable as I2S) |
| I2S Modules | 2 |
| UART Modules | 6 |
| I2C Modules | 5 |
| PMP (Parallel Master Port) | Yes, with dual buffers for graphics |
| CTMU (Capacitive Touch) | Yes, mTouch supported |
| PPS (Peripheral Pin Select) | Yes |
| Timers | 5 x 16-bit |
| Comparators | 2 |
| Temperature Range | -40C to +105C (V grade, automotive) |
| Package | 100-pin TQFP (12x12 mm) |
| Mounting Type | Surface Mount |
| AEC-Q100 | Qualified (automotive grade) |
PIC32MX170F512L-V/PT 100-pin tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for PIC32MX170F512L-V/PT (100-pin tqfp (12x12 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC32MX170F512L-V/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX170F512L-V/PT is suitable for 7 applications: Automotive HMI Cluster, USB Audio Bridge, CAN Gateway Module, Graphical LCD Controller, Capacitive Touch User Interface, Industrial Sensor Hub, Automotive Diagnostic Tool.
Automotive HMI Cluster
The PIC32MX170F512L-V/PT is well-suited for automotive HMI instrument clusters. Its 50 MHz MIPS32 M4K core delivers 83 DMIPS, enough headroom to drive a QVGA TFT cluster display via the integrated Parallel Master Port (PMP) with dual read/write buffers while concurrently polling CAN messages, refreshing graphics, and scanning capacitive touch buttons. The automotive V grade supports -40C to +105C and AEC-Q100 qualification - mandatory for in-cabin automotive modules. The 512 KB Flash accommodates full cluster graphics code plus CAN J1939 stack, and the 64 KB SRAM supports frame buffers and message queues. The CTMU peripheral enables mTouch capacitive sliders for HVAC or volume control without external touch ICs.
Recommended
USB Audio Bridge
The PIC32MX170F512L-V/PT handles USB audio streaming in USB-to-I2S bridge applications. The integrated USB 2.0 Full-Speed OTG peripheral enumerates as a USB Audio Class device while the two I2S modules drive external DACs with bit-clock, word-select, and data lines. The 50 MHz core performs sample-rate conversion and volume control with negligible latency. The 64 KB SRAM provides buffer headroom for asynchronous USB audio with adaptive buffering. The PPS feature allows flexible pin assignment of USB D+/D- and I2S signals, simplifying PCB routing. AEC-Q100 qualification lets this design be reused in automotive infotainment audio paths.
Recommended
CAN Gateway Module
The PIC32MX170F512L-V/PT serves as a CAN-to-CAN or CAN-to-UART gateway in industrial and automotive networks. Its CAN 2.0B peripheral handles standard 11-bit and extended 29-bit identifier frames at up to 1 Mbps, with hardware acceptance filters reducing CPU load. The 50 MHz MIPS32 M4K core runs both the CAN forwarding logic and a TCP/IP or user-application stack simultaneously. The 512 KB Flash accommodates a full CANopen or J1939 library without external memory. The automotive V grade and 100-TQFP footprint suit under-hood or chassis-mount gateway ECUs that must operate across -40C to +105C.
Recommended
Graphical LCD Controller
The PIC32MX170F512L-V/PT acts as a stand-alone graphical LCD controller in HMI panels. The Parallel Master Port (PMP) interface drives QVGA (320x240) TFT displays directly from external SRAM or on-chip memory, with dual read/write buffers preventing screen tearing during partial updates. The 10-bit ADC reads back light-sensor input for automatic brightness control. The four SPI modules support touch-screen controllers and external serial Flash for asset bitmaps. The 100-TQFP exposes enough I/O to drive the parallel data bus plus control signals without muxing. AEC-Q100 qualification makes this design suitable for industrial operator panels and automotive secondary displays.
Recommended
Capacitive Touch User Interface
The PIC32MX170F512L-V/PT implements multi-channel capacitive touch buttons, sliders, and proximity sensors via the on-chip Charge Time Measurement Unit (CTMU). The CTMU provides 16 current sources and time-measurement channels with sub-ns resolution, supporting mTouch firmware libraries directly from Microchip. The 50 MHz core processes touch scanning, debouncing, and gesture recognition without external touch controller ICs, reducing BOM cost and PCB area. PPS allows CTMU channels to be assigned to any GPIO, easing PCB routing. AEC-Q100 qualification suits the part for automotive interior controls (HVAC, seat, mirror) and industrial panels requiring sealed touch interfaces.
Recommended
Industrial Sensor Hub
The PIC32MX170F512L-V/PT aggregates data from multiple industrial sensors and forwards aggregated readings via CAN, USB, or UART. The 10-bit 1 Msps ADC samples analog sensor inputs while the four SPI ports connect to digital accelerometers, gyroscopes, or pressure sensors. The I2C modules interface with EEPROM for parameter storage and external temperature sensors. The 50 MHz MIPS32 M4K core runs sensor-fusion algorithms and on-the-fly calibration in real time. The 512 KB Flash holds sensor drivers plus application logic without external memory. AEC-Q100 qualification and V temperature range suit industrial machinery installations operating in harsh environments from -40C to +105C.
Recommended
Automotive Diagnostic Tool
The PIC32MX170F512L-V/PT powers handheld automotive OBD-II diagnostic scanners. The CAN 2.0B peripheral interfaces with vehicle networks to read DTCs, live data, and freeze-frame information. The USB OTG port charges the device and connects to a host PC for firmware updates. The 100-TQFP package exposes sufficient GPIO for an LCD, keypad, and LEDs. The 512 KB Flash stores diagnostic protocols (UDS, KWP2000) plus vehicle database tables, while 64 KB SRAM buffers live data streams. The automotive V grade ensures reliable operation in service-bay environments up to +105C, and AEC-Q100 qualification supports warranty compliance.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX170F512L-V/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX170F512LT-V/PT | PIC32MX170F512L-I/PT | PIC32MX170F512LT-I/PT | PIC32MX170F512L-50I/PF | PIC32MX170F512HT-50I/PT |
|---|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K |
| Max Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Temperature Grade | Automotive V (-40C to +105C) | Automotive V (-40C to +105C) | Industrial I (-40C to +85C) | Industrial I (-40C to +85C) | Industrial I (-40C to +85C) | Industrial I (-40C to +85C) |
| AEC-Q100 | Qualified | Qualified | Not qualified | Not qualified | Not qualified | Not qualified |
| USB | 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 |
| CAN | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B |
Key Differentiators
- AEC-Q100 qualification with automotive V temperature range (vs PIC32MX170F512L-I/PT)
- Integrated PMP with dual buffers for direct TFT LCD drive (vs PIC32MX170F256D-V/ML)
- PPS (Peripheral Pin Select) for flexible routing (vs PIC32MX170F256B-V/SS)
Design Notes
Estimated: total power at 50 MHz core frequency with all peripherals active is approximately 60 mA from the 3.3 V rail, or about 200 mW. Decoupling requires at least one 0.1 uF ceramic and one 10 uF bulk capacitor per VDD/VSS pin pair. The PIC32MX170F512L-V/PT has multiple VDD/VSS pairs distributed across the 100-TQFP package to support the high-pin-count signal integrity. Place decoupling capacitors within 2 mm of each VDD pin. The core voltage is internally regulated from the 3.3 V supply; no external LDO is required for the MCU itself. Power-on-reset behavior is automatic; hold MCLR high through a 10 kohm pull-up with optional 0.1 uF decoupling.
Route the 50 MHz core clock trace as short and straight as possible. If using an external crystal, place the crystal within 5 mm of the OSCI/OSCO pins and surround the traces with a ground guard ring. For USB applications, route D+ and D- as a 90 ohm differential pair with length matching to within 2 mm. Place the USB series resistor (typically 27 ohm) within 5 mm of the USB connector. For PMP (Parallel Master Port) parallel interfaces, group the data bus lines together and add series damping resistors if the bus exceeds 50 mm total length to reduce overshoot on a QVGA TFT panel.
Peripheral Pin Select (PPS) registers must be configured at startup before any remapped peripheral can operate. Failing to initialize PPS in the first lines of main() is the most common cause of dead peripherals. Additionally, the CTMU mTouch library requires careful PCB layout - keep the touch sensor traces short, surrounded by ground fill, and away from switching signals to prevent false touches. For automotive V-grade designs targeting +105C operation, verify that all external components (capacitors, crystal) are rated for the same temperature range. Finally, ensure ICSP programming pins PGECx/PGEDx are accessible on the production PCB for firmware updates.
Compliance Information
AEC-Q100 qualified for automotive applications. RoHS and REACH compliant per Microchip product page. Lead-free terminal finish (Matte Tin). Halogen-free status not explicitly stated in retrieved web data.
