PIC32CM2532LS60048T-I/U5B - 48MHz Cortex-M23 MCU, 256KB Flash | Microchip
MPN: PIC32CM2532LS60048T-I/U5B ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.4 | $5.40 |
| 10 | $4.85 | $48.50 |
| 100 | $4.32 | $432.00 |
| 500 | $3.84 | $1,920.00 |
| 1,000 | $3.42 | $3,420.00 |
PIC32CM2532LS60048T-I/U5B Overview
A PIC32 microcontroller is a 32-bit MCU from Microchip's PIC family, built around the ARM Cortex-M23 core. Architecturally, Cortex-M23-based MCUs sit in the broader hierarchy of ARM Cortex-M processors (Cortex-M0 -> Cortex-M23 -> Cortex-M3/M4/M7), delivering a TrustZone-capable core with a single-cycle I/O port, deterministic interrupt handling, and excellent code-density versus 8-bit/16-bit MCUs. Within the PIC32 family, the LS60 sub-family adds Microchip's SleepWalking peripherals and ultra-low-power techniques, which are designed for battery-powered and energy-harvesting designs.
Key features of the PIC32CM2532LS60048T-I/U5B include 256 KB of Flash program memory (organized as 256K x 16), 32 KB of SRAM data memory, an integrated touch Peripheral Touch Controller (PTC) supporting buttons, sliders and proximity sensing, and a smart analog integration that bundles operational amplifiers, ADCs, and DACs on-chip. The LS60 family's industry-leading low-power techniques (SleepWalking, Sleep on Exit, and Sleep in Standby modes) allow the CPU core to wake only when an analog or digital event occurs, which is critical for IoT edge nodes that spend most of their life in deep sleep.
Typical applications include capacitive-touch user interfaces (touch buttons, sliders, proximity wake-up on appliances), battery-powered IoT sensor nodes, secure connected devices leveraging Cortex-M23 TrustZone, smart-home and building-automation endpoints, and human-machine interface (HMI) panels. The compact 7x7 mm VQFN-48 footprint also supports space-constrained wearables and handheld industrial tools.
When designing with this MCU, plan the PCB layout for the exposed pad of the VQFN-48 (U5B suffix); it must be soldered to a ground pour to meet thermal and electrical performance. Configure the PTC acquisition timing in MPLAB X IDE with the Start Now / Configurable Touch (snctc) library, and verify the supply-rail decoupling network (typically 1x 10 uF + 2x 100 nF) before locking the BOM.
Drop-in alternatives for PIC32CM2532LS60048T-I/U5B — 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 PIC32CM2532LS60048T-I/U5B (same form factor and footprint) — differing in Core Architecture, Family, Low-Power Modes, Package, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32CM2532LS00048T-I/U5B
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32CM2532LS60048-I/U5B
✅ Drop-In✓ In Stock
$2.59 / Unit
View Datasheet →PIC32CM2532LS60064T-I/U5B
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32CM2532LE00048T-I/U5B
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32CM2532LS60048T-I/U5B Maximum Ratings & Electrical Characteristics
| Core Architecture | ARM Cortex-M23 |
| Family | PIC32CM LS60 (PIC32CM LS Microcontroller) |
| CPU Bit Width | 32-bit |
| Maximum CPU Speed | 48 MHz |
| Program Memory (Flash) | 256 KB (256K x 16) |
| Data Memory (SRAM) | 32 KB |
| Package | 48-VQFN, 7x7 mm |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| Touch Peripheral (PTC) | Yes - Peripheral Touch Controller, supports buttons, sliders, wheels, proximity |
| Security Feature | ARM TrustZone for Cortex-M23 |
| Low-Power Modes | SleepWalking, Sleep on Exit, Sleep in Standby |
| Packaging | Tape & Reel (TR) |
| RoHS Status | Compliant |
PIC32CM2532LS60048T-I/U5B 48-vqfn, 7x7 mm Pin Configuration Guide
Pin configuration for PIC32CM2532LS60048T-I/U5B (48-vqfn, 7x7 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 PIC32CM2532LS60048T-I/U5B.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32CM2532LS60048T-I/U5B is suitable for 6 applications: Capacitive Touch User Interfaces, Battery-Powered IoT Sensor Nodes, Secure Connected Devices with TrustZone, Smart Home and Building Automation Endpoints, Human-Machine Interface (HMI) Panels, Industrial Sensor Edge Nodes.
Capacitive Touch User Interfaces
The PIC32CM2532LS60048T-I/U5B's integrated Peripheral Touch Controller (PTC) supports up to several hundred self/mutual capacitive channels, enabling robust buttons, sliders, wheels, and proximity sensing behind glass or plastic overlays. The Cortex-M23 at 48 MHz executes Microchip's Configurable Touch (snctc) and Start Now libraries fast enough to scan >50 channels while still keeping the CPU in IDLE2, preserving the device's SleepWalking advantage. Typical noise-immunity values of 5:1 SNR in 100 mVpp conducted-noise environments make it ideal for kitchen appliances, white-goods HMIs, and industrial front panels. Designers can pair this MCU with an external RGB LED driver for visual feedback and a single I2C port expander for additional GPIOs.
Recommended
Battery-Powered IoT Sensor Nodes
With SleepWalking peripherals, Sleep on Exit, and Sleep in Standby modes, the PIC32CM2532LS60048T-I/U5B draws single-digit microamps in deep-sleep while still waking the CPU only on analog or digital events such as timer ticks, ADC threshold crossings, or PTC touch detection. The Cortex-M23 core wakes in <10 us from deep sleep, executes the relevant ISR, and returns to sleep - a pattern that keeps a coin-cell node alive for 5-10 years on a 240 mAh CR2032. The 256 KB Flash comfortably fits a LoRaWAN or Sigfox protocol stack with secure-element primitives, and TrustZone isolates the cryptographic key store from the application code. A typical reference design uses a 32.768 kHz crystal for RTC and an SPI-connected SPIRIT1 sub-GHz transceiver.
Recommended
Secure Connected Devices with TrustZone
The Cortex-M23 core's ARM TrustZone-M extension provides hardware isolation between secure and non-secure worlds - the PIC32CM2532LS60048T-I/U5B leverages this to host a secure bootloader, cryptographic key storage, and OTA update verification in the secure world, while the application code runs in the non-secure world. This is critical for Matter, Thread, and Zigbee 3.0 devices where PSA Certified Level 1 is increasingly required. With 256 KB Flash there is enough room for both a small secure-firmware payload and the main RTOS-based application. Designers using Microchip MPLAB Harmony v3 can enable TrustZone via the project configuration without manual linker scripting.
Recommended
Smart Home and Building Automation Endpoints
The PIC32CM2532LS60048T-I/U5B targets wireless sensor endpoints in smart-home and building-automation networks, where a small footprint, low BOM cost, and reliable touch/analog integration matter more than raw CPU speed. The 48-VQFN (7x7 mm) drops onto compact sensor PCBs alongside a sub-GHz or 2.4 GHz radio module, while integrated PTC channels support capacitive wall switches and dimmers without external touch ICs. TrustZone is increasingly used by Matter-over-Thread smart-home devices for secure commissioning. Industrial-grade -40 C to +85 C operation also covers outdoor enclosures and rooftop sensor pods.
Recommended
Human-Machine Interface (HMI) Panels
For small HMI panels with 1-3 inch displays and 5-20 touch buttons, the PIC32CM2532LS60048T-I/U5B strikes a balance between Cortex-M23 throughput (48 MHz), 256 KB Flash for GUI assets, and low-cost capacitive touch. Designers can drive a small SPI TFT (ST7789V-class) and scan 20-40 PTC buttons concurrently, leaving CPU headroom for animated menus. The exposed pad of the VQFN-48 also dissipates enough heat for continuous 48 MHz operation without an explicit heatsink. Optional I2S output supports audio feedback beeps from an external DAC.
Recommended
Industrial Sensor Edge Nodes
The PIC32CM2532LS60048T-I/U5B's 12-bit ADC, operational amplifiers, and 5 V tolerant GPIOs make it well-suited to industrial edge-node reference designs interfacing to 4-20 mA loops, thermocouples (via external PGA), and Modbus RTU sensors. Industrial -40 C to +85 C operation covers factory-floor and outdoor cabinet environments. SleepWalking lets the CPU idle while the ADC + threshold comparator scans for process-alarm events, only waking the core when a threshold is crossed - typical deep-sleep currents of <5 uA preserve battery backup. Pairing with an RS-485 transceiver enables long-cable Modbus links to PLCs.
Recommended
Recommended Products Summary
Engineering reference data for PIC32CM2532LS60048T-I/U5B — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32CM2532LS00048T-I/U5B | PIC32CM2532LS60048-I/U5B | PIC32CM2532LS60064T-I/U5B | PIC32CM2532LE00048T-I/U5B |
|---|---|---|---|---|---|
| Package | 48-VQFN (7x7 mm) | 48-VQFN (7x7 mm) | 48-VQFN (7x7 mm) | 48-VQFN (7x7 mm) | 48-VQFN (7x7 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 |
| Maximum CPU Speed | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 64 KB | 32 KB |
| Peripheral Touch Controller (PTC) | Full (LS60 tier) | Reduced (LS00 tier) | Full (LS60 tier) | Full (LS60 tier) | Reduced (LE00 tier) |
| TrustZone Security | Yes | Yes | Yes | Yes | Yes |
| Low-Power Family | LS60 - SleepWalking | LS00 - baseline | LS60 - SleepWalking | LS60 - SleepWalking | LE00 - baseline |
Key Differentiators
- Full SleepWalking peripheral tier with rich PTC (vs PIC32CM2532LE00048T-I/U5B)
- Tape and Reel packaging for SMT production lines (vs PIC32CM2532LS60048-I/U5B)
- Industrial temperature grade (vs PIC32CM2532LS60048T-E/U5B)
Design Notes
Solder the central exposed pad (EP) of the 48-VQFN to a continuous ground pour. The exposed pad carries the primary thermal path for the die and also provides a low-impedance ground reference for the analog and RF pins. Per the Microchip PIC32CM LSx0 family datasheet, missing the EP solder connection can raise junction temperature by 20-30 C and degrade ADC ENOB by 1-2 bits. Thermal vias in a 3x3 grid (0.3 mm drill, 0.5 mm pitch) under the EP are recommended.
Place a 10 uF X5R/X7R bulk decoupling capacitor and two 100 nF X7R ceramic bypass capacitors (one near each VDD pin pair) as close to the supply pins as possible. For battery designs, the on-chip voltage regulator requires a stable 1 uF capacitor on its output (DECOUPLE pin). Using a low-ESR ceramic on DECOUPLE prevents VDD_CORE ripple during SleepWalking events, which can otherwise cause ADC offset shifts of several LSBs.
Do not configure the PTC scan rate faster than the settling time of the external RC network - this can produce false touch events. Always calibrate the PTC sense resistors for the specific overlay material and thickness using the Start Now / snctc library auto-calibration routine. For TrustZone, ensure the linker script separates secure and non-secure code into distinct flash regions; mixing them in the same region will silently disable hardware isolation.
Route the PTC lines as short, symmetrical traces (matched length within 5 mm) and keep them well away from switching regulators or high-frequency digital signals. Each PTC channel can inject noise into adjacent analog inputs - maintain a 5 mm keep-out between PTC traces and ADC traces, or shield with a grounded copper pour. The XVR (32.768 kHz crystal) traces should be <5 mm and surrounded by ground pour to minimize load capacitance drift.
Compliance Information
RoHS and lead-free compliant per Microchip product page; industrial-grade (not AEC-Q100 qualified). REACH statement not explicitly published in distributor excerpts - marked compliant per Microchip standard product environmental policy.
