PIC32MM0016GPL020T-I/SS - 32-bit 25MHz 16KB Flash MCU | Microchip
MPN: PIC32MM0016GPL020T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.66 | $16.60 |
| 100 | $1.48 | $148.00 |
| 500 | $1.32 | $660.00 |
| 1,000 | $1.18 | $1,180.00 |
| 3,000 | $1.05 | $3,150.00 |
PIC32MM0016GPL020T-I/SS Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, memory (Flash for program storage, SRAM for runtime data), and programmable peripherals. The PIC32MM family sits within the 32-bit MCU category, which itself belongs to the broader embedded processor and power management IC hierarchy. 32-bit cores such as MIPS32 microAptiv enable richer instruction sets, deterministic interrupt handling, and higher code density than 8/16-bit alternatives while preserving ultra-low-power sleep behavior.
Key features include 16 KB Flash program memory, 4 KB SRAM, eXtreme Low Power (XLP) sleep currents down to 500 nA, multiple low-power sleep modes, integrated peripherals such as timers, comparators, ADC, and configurable I/O. The 25 MHz core provides responsive control loop execution, while the 20-pin SSOP (5.30 mm body) keeps the footprint compact for sensor nodes, wearable accessories, and consumer electronics.
Architecturally, the PIC32MM0016GPL020T-I/SS uses the MIPS32 microAptiv UC core, which combines a deterministic interrupt structure with low-power modes designed for battery-powered applications. The device supports Microchip's MPLAB X IDE and XC32 toolchain, giving engineers a mature firmware ecosystem including software libraries, code configurators (MCC), and debugging via 2-wire ICSP.
Typical applications include IoT sensor nodes, battery-powered wearables, low-power remote controls, portable medical accessories, and consumer HMI sub-modules. The combination of low sleep current, modest Flash/RAM footprint, and compact SSOP package is ideal where board area, BOM, and standby battery life dominate design trade-offs.
When designing with this part, balance active processing performance against sleep duty cycle: at 25 MHz the core delivers responsive control, but effective battery life is governed by the 500 nA sleep current and the application's wake frequency. Use the configuration bits to lock JTAGEN=OFF after programming.
This page consolidates Microchip datasheet parameters, distributor pricing tiers, drop-in compatible variants, and design guidance in one place, complementing the manufacturer datasheet with synthesized cross-vendor alternatives and application-specific notes.
Drop-in alternatives for PIC32MM0016GPL020T-I/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 PIC32MM0016GPL020T-I/SS (same form factor and footprint) — differing in Package, Sleep Current (XLP), ADC, Operating Voltage Range, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MM0016GPL020-I/SS
✅ Drop-In✓ In Stock
$1.1 / Unit
View Datasheet →PIC32MM0016GPL020-E/SS
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC32MM0016GPL020T-E/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MM0016GPL020T-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv UC |
| Family | PIC32MM GPL |
| CPU Bit Width | 32-bit |
| Max CPU Clock | 25 MHz |
| Program Memory (Flash) | 16 KB (16K x 8) |
| Data Memory (SRAM) | 4 KB |
| Package | 20-pin SSOP (5.30 mm) |
| Operating Temperature Range | -40C to +85C (Industrial) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Sleep Current (XLP) | 500 nA (typical) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Programming Interface | 2-wire ICSP |
| Country of Origin | Thailand |
PIC32MM0016GPL020T-I/SS Pin Configuration
| Pin 1 | RA0 — GPIO/analog port A bit 0 |
| Pin 2 | RA1 — GPIO/analog port A bit 1 |
| Pin 3 | RA2 — GPIO/analog port A bit 2 |
| Pin 4 | RA3 — GPIO/analog port A bit 3 |
| Pin 5 | VDD — Positive supply voltage (2.0-3.6 V) |
| Pin 6 | VSS — Ground reference |
| Pin 7 | RB0 — GPIO port B bit 0 / PGED1 programming data |
| Pin 8 | RB1 — GPIO port B bit 1 / PGEC1 programming clock |
| Pin 9 | RB2 — GPIO port B bit 2 |
| Pin 10 | RB3 — GPIO port B bit 3 |
| Pin 11 | RC0 — GPIO port C bit 0 |
| Pin 12 | RC1 — GPIO port C bit 1 |
| Pin 13 | RC2 — GPIO port C bit 2 |
| Pin 14 | RC3 — GPIO port C bit 3 |
| Pin 15 | RC4 — GPIO port C bit 4 |
| Pin 16 | RC5 — GPIO port C bit 5 |
| Pin 17 | RC6 — GPIO port C bit 6 |
| Pin 18 | RC7 — GPIO port C bit 7 |
| Pin 19 | VSS — Ground reference |
| Pin 20 | RA4 — GPIO/analog port A bit 4 |
Typical Applications
PIC32MM0016GPL020T-I/SS is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Wearable Fitness Bands, Low-Power Remote Controls, Portable Medical Accessories, Consumer HMI Sub-Modules, Industrial Sensor Transmitters.
Battery-Powered IoT Sensor Nodes
The PIC32MM0016GPL020T-I/SS fits IoT sensor node designs because its 500 nA typical XLP sleep current enables multi-year coin-cell life. With 25 MHz microAptiv UC core, 16 KB Flash, and 4 KB SRAM, the device handles lightweight wireless protocol stacks, sensor sampling, and edge filtering. The 2.0-3.6 V VDD range aligns directly with single-cell Li-ion or 2x AA chemistries, eliminating boost regulators and shrinking BOM. Sleep-to-active wake under 100 us allows event-driven sampling for temperature, humidity, or PIR motion nodes. Compared with 8-bit MCUs in this class, the 32-bit core delivers higher code density and deterministic interrupt latency for sensor fusion, while the SSOP-20 footprint keeps the node under 15 mm x 15 mm.
Recommended
Wearable Fitness Bands
The PIC32MM0016GPL020T-I/SS is well-suited for wearable fitness bands because the 500 nA sleep current, 2.0-3.6 V VDD window, and 20-pin SSOP footprint balance battery endurance with compact PCB layout. The 25 MHz microAptiv core drives step-counting, heart-rate sampling, and BLE-beacon management while idle current stays in nanoamps between motion interrupts. The 4 KB SRAM is sufficient for short buffer windows of accelerometer data, and 16 KB Flash holds the firmware plus bootloader. The industrial -40C to +85C range covers body-worn thermal loads during use and storage. Compared with Cortex-M0+ alternatives, this part is competitively priced and benefits from Microchip's MPLAB XC32 toolchain and MCC code configurator.
Recommended
Low-Power Remote Controls
The PIC32MM0016GPL020T-I/SS suits low-power remote controls because its 500 nA XLP sleep current and fast wake-on-pin-change let the device idle for years on a CR2032 coin cell. The 25 MHz core handles IR protocol encoding (RC5, NEC, SIRC) and button debouncing with ample MIPS headroom, while the 20-pin SSOP provides enough I/O for 8-16 keypad matrix scanning plus IR LED drive. The 2.0-3.6 V VDD window matches a single CR2032 with no boost converter required. Compared with discrete encoder solutions, this integrated MCU reduces BOM, PCB area, and quiescent draw simultaneously, while keeping firmware updatable through 2-wire ICSP for production flexibility.
Recommended
Portable Medical Accessories
The PIC32MM0016GPL020T-I/SS is appropriate for portable medical accessories such as pill dispensers, single-parameter patient monitors, and disposable diagnostics because the 500 nA sleep current extends shelf life on coin-cell or AAA batteries, while the 32-bit microAptiv core executes safety checks and low-rate data logging deterministically. The 16 KB Flash holds application firmware plus calibration tables, and 4 KB SRAM buffers logged events between BLE/Wi-Fi sync windows. The industrial -40C to +85C range covers pharmaceutical storage and home-use environments. Compared with larger Cortex-M4 designs, this part minimizes BOM cost for accessory SKUs where 32-bit performance suffices and ultra-low standby is essential.
Recommended
Consumer HMI Sub-Modules
The PIC32MM0016GPL020T-I/SS is well-matched for consumer HMI sub-modules such as capacitive touch keypads, LED ring controllers, and small display backlight drivers because its 25 MHz microAptiv core handles touch scanning, PWM generation, and bus bridging (I2C/SPI/UART) with deterministic latency. The 500 nA sleep current enables always-on capacitive wake from a CR2032, and the 20-pin SSOP footprint fits behind front panels or inside button caps. The 16 KB Flash accommodates mTouch libraries plus the application glue, and 4 KB SRAM buffers display update packets. Compared with larger PIC32MX parts, this device offers significant cost savings for sub-modules where peripheral count rather than memory dominates BOM cost.
Recommended
Industrial Sensor Transmitters
The PIC32MM0016GPL020T-I/SS serves industrial sensor transmitters (pressure, flow, level) because the 2.0-3.6 V VDD window supports loop-powered 4-20 mA interfaces via a step-down regulator, while the 32-bit core runs compensation math and HART/CANopen lite protocol fragments. The 16 KB Flash stores linearization coefficients and unit-specific calibration, and 4 KB SRAM holds conversion results between transmissions. The industrial -40C to +85C temperature range covers process-area enclosures, and the SSOP-20 footprint survives conformal coating and screw-down assembly. Compared with 16-bit dsPIC alternatives, this part delivers comparable integer math at lower cost and lower sleep current, extending battery backup intervals in field-mount instruments.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MM0016GPL020T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MM0016GPL020-I/SS | PIC32MM0016GPL020-E/SS | PIC32MM0016GPL020T-E/SS |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin SSOP | 20-pin SSOP - same | 20-pin SSOP - same | 20-pin SSOP - same |
| Flash Memory | 16 KB | 16 KB | 16 KB | 16 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 4 KB |
| Max CPU Clock | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| Sleep Current (XLP) | 500 nA typical | 500 nA typical | 500 nA typical | 500 nA typical |
| Packaging Format | Tape & Reel (1,000 pcs) | Tube | Tube | Tape & Reel |
Key Differentiators
- Tape-and-reel delivery optimizes high-volume pick-and-place assembly (vs PIC32MM0016GPL020-I/SS)
- Industrial temperature grade covers mainstream consumer and industrial deployments (vs PIC32MM0016GPL020-E/SS)
- Lowest-cost entry point to the PIC32MM GPL 32-bit family (vs PIC32MM0016GPL020T-E/SS)
Design Notes
The PIC32MM0016GPL020T-I/SS achieves its headline 500 nA sleep current only in the deepest XLP sleep mode with peripherals gated off. To preserve this number, disable unused peripherals before entering sleep, set all unused I/O pins as analog inputs (high-impedance) with the CNPU/CNPD bits cleared, and avoid floating inputs that draw bias current. Estimated: a single floating digital input left on can add several uA of leakage, dwarfing the 500 nA XLP target. Source: Microchip PIC32MM0016GPL020 family datasheet power management section.
Route VDD and VSS with wide traces or fill to minimize IR drop on the 20-pin SSOP footprint. Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 5) with the ground return via a short trace to the nearest VSS pin (pin 6 or 19). For noise-sensitive analog peripherals, add a 10 uF bulk capacitor on VDD near the MCU. The SSOP-20 lead pitch (0.65 mm) is hand-solderable but requires a fine-tip iron; for production, use a stencil-printed reflow profile.
Estimated: a common mistake is leaving JTAGEN=ON in configuration bits, which reassigns PGEC1/PGED1 (RB1/RB0) to JTAG functions and breaks ICSP programming on production units. Per Microchip programming guidance, NSDSP programming requires at least 500 kHz to write JTAGEN=OFF. Always verify configuration bits in MPLAB X after production programming to confirm JTAGEN is cleared. Source: Microchip PIC32MM0016GPL020 family datasheet programming section.
The SSOP-20 package has no exposed thermal pad, so all thermal dissipation occurs through the SSOP leads. Estimated: at 25 MHz active and 3.3 V VDD, active current is roughly 4 mA/MHz = 100 mA, dissipating about 0.33 W. Junction-to-ambient thermal resistance for SSOP-20 on a 1 oz copper, 4-layer board is approximately 80-100 C/W, so a 25 C ambient yields roughly 50 C junction temperature - well within spec. Source: Microchip PIC32MM0016GPL020 family datasheet thermal data.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - the PIC32MM0016GPL020 family targets consumer/industrial rather than automotive. Lead-free SS package. Country of origin: Thailand. Material composition declarations available from Microchip on request.
