PIC24FJ128GA610-I/PT - 16-Bit 32MHz MCU, 128KB Flash | Microchip
MPN: PIC24FJ128GA610-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.8 | $68.00 |
| 100 | $6.1 | $610.00 |
| 500 | $5.45 | $2,725.00 |
| 1,000 | $4.85 | $4,850.00 |
PIC24FJ128GA610-I/PT Overview
A 16-bit microcontroller (MCU) is a microprocessor-oriented integrated circuit that balances 8-bit simplicity with 32-bit performance, typically offering 16-bit data paths, rich peripheral integration, and moderate power consumption. The PIC24F family sits in Microchip's mid-range performance portfolio between the PIC16/PIC18 8-bit lines and the dsPIC/PIC32 32-bit lines, targeting embedded applications that require more code space and peripherals than 8-bit parts but do not need full 32-bit throughput.
Key features of the PIC24FJ128GA610 include 128KB (43K x 24) of self-programmable Flash program memory, 32KB of SRAM, an integrated 16-bit timer system, multiple UART/SPI/I2C peripherals, a 12-bit A/D converter with up to 16 channels, comparators, CTMU (Charge Time Measurement Unit), CLC (Configurable Logic Cell), and PMP (Parallel Master Port). The device operates from 2.0V to 3.6V and supports industrial temperature range (-40C to +85C).
The architecture combines a modified Harvard CPU with DSP-oriented instructions, DMA support, and a flexible peripheral pin-select (PPS) mapping system. XLP technology delivers sleep currents in the nanoamp range, with multiple low-power modes (Sleep, Idle, Doze, Deep Sleep) suitable for battery-powered products that must run for years on a single cell.
Typical applications include industrial control panels, low-power sensor nodes, USB/HID human-interface devices, portable medical monitors, fitness wearables, computer peripherals, and graphics-capable embedded consoles with TFT or segment LCDs. Designers select this part when 8-bit MCUs lack memory or peripheral breadth but a full 32-bit MCU would be over-spec or over-budget.
Design considerations include ensuring decoupling capacitors are placed close to VDD/VSS pins, allocating enough pins for programming/debug (PGDx/PGCx), and using Microchip's MPLAB X IDE plus XC16 compiler for firmware development. The Live Update dual-partition Flash enables robust OTA-style field upgrades when paired with an external bootloader.
This page consolidates distributor pricing, drop-in alternative guidance, and practical design notes beyond the manufacturer datasheet. Use the comparison_table and selection_guide to evaluate the part against family siblings and cross-brand equivalents before finalizing your BOM.
Drop-in alternatives for PIC24FJ128GA610-I/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 PIC24FJ128GA610-I/PT (same form factor and footprint) — differing in Package, Operating Temperature, ADC, Core Architecture, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ128GA610-E/PT
✅ Drop-In✓ In Stock
$4.12 / Unit
View Datasheet →PIC24FJ128GA310-I/PT
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →PIC24FJ128GA410-I/PT
✅ Drop-In✓ In Stock
$3.21 / Unit
View Datasheet →PIC24FJ128GA110-I/PT
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC24FJ128DA110-I/BG
✅ Drop-In✓ In Stock
$5.25 / Unit
View Datasheet →PIC24FJ1024GA610-I/BG
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.2 / Unit
View Datasheet →PIC24FJ128GA610-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F (16-bit modified Harvard) |
| CPU Speed | 32 MHz / 16 MIPS |
| Program Memory (Flash) | 128 KB (43K x 24) |
| Data Memory (SRAM) | 32 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| I/O Pins | 85 |
| A/D Converter | 12-bit, up to 16 channels |
| Comparators | Yes |
| CTMU | Yes |
| CLC (Configurable Logic Cell) | Yes |
| PMP (Parallel Master Port) | Yes |
| UART / SPI / I2C | Multiple instances |
| DMA | Yes |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 100-pin TQFP (PT), 12x12 mm |
| Mounting Type | Surface Mount |
| MSL Level | 3 |
| RoHS Status | Compliant |
PIC24FJ128GA610-I/PT Pin Configuration
| Pin 1 | RP15/RG6 — Remappable I/O / port G bit 6 |
| Pin 2 | RP14/RG7 — Remappable I/O / port G bit 7 |
| Pin 3 | RP13/RG8 — Remappable I/O / port G bit 8 |
| Pin 4 | RP12/RG9 — Remappable I/O / port G bit 9 |
| Pin 5 | MCLR — Master clear (reset) input, active low |
| Pin 6 | OSC1/CLKI/RA2 — Oscillator crystal input / external clock in |
| Pin 7 | OSC2/CLKO/RA3 — Oscillator crystal output / clock out |
| Pin 8 | VDD — Positive supply (2.0-3.6 V) |
| Pin 9 | VSS — Ground reference |
| Pin 10 | PGEC1/AN0/RP0 — ICSP clock / analog input 0 / remappable I/O |
| Pin 11 | PGED1/AN1/RP1 — ICSP data / analog input 1 / remappable I/O |
| Pin 12 | PGEC2/AN2/RP2 — ICSP clock 2 / analog input 2 / remappable I/O |
| Pin 13 | PGED2/AN3/RP3 — ICSP data 2 / analog input 3 / remappable I/O |
| Pin 14 | AN4/RB0 — Analog input 4 / port B bit 0 |
| Pin 15 | AN5/RB1 — Analog input 5 / port B bit 1 |
| Pin 16 | AN6/RB2 — Analog input 6 / port B bit 2 |
| Pin 17 | AN7/RB3 — Analog input 7 / port B bit 3 |
| Pin 18 | AN8/RB4 — Analog input 8 / port B bit 4 |
| Pin 19 | AN9/RB5 — Analog input 9 / port B bit 5 |
| Pin 20 | AN10/RB6 — Analog input 10 / port B bit 6 |
| Pin 21 | AN11/RB7 — Analog input 11 / port B bit 7 |
| Pin 22 | AN12/RB8 — Analog input 12 / port B bit 8 |
| Pin 23 | AN13/RB9 — Analog input 13 / port B bit 9 |
| Pin 24 | AN14/RB10 — Analog input 14 / port B bit 10 |
| Pin 25 | AN15/RB11 — Analog input 15 / port B bit 11 |
| Pin 26 | VDD — Positive supply |
| Pin 27 | VSS — Ground |
| Pin 28 | RC1 — Port C bit 1 |
| Pin 29 | RC2 — Port C bit 2 |
| Pin 30 | RC3 — Port C bit 3 |
| Pin 31 | RC4 — Port C bit 4 |
| Pin 32 | VDD — Positive supply |
| Pin 33 | VSS — Ground |
| Pin 34 | RD0 — Port D bit 0 |
| Pin 35 | RD1 — Port D bit 1 |
| Pin 36 | RD2 — Port D bit 2 |
| Pin 37 | RD3 — Port D bit 3 |
| Pin 38 | RD4 — Port D bit 4 |
| Pin 39 | RD5 — Port D bit 5 |
| Pin 40 | RD6 — Port D bit 6 |
| Pin 41 | RD7 — Port D bit 7 |
| Pin 42 | VDD — Positive supply |
| Pin 43 | VSS — Ground |
| Pin 44 | RE0 — Port E bit 0 |
| Pin 45 | RE1 — Port E bit 1 |
| Pin 46 | RE2 — Port E bit 2 |
| Pin 47 | RE3 — Port E bit 3 |
| Pin 48 | RE4 — Port E bit 4 |
| Pin 49 | RE5 — Port E bit 5 |
| Pin 50 | RE6 — Port E bit 6 |
| Pin 51 | RE7 — Port E bit 7 |
| Pin 52 | VDD — Positive supply |
| Pin 53 | VSS — Ground |
| Pin 54 | RF0 — Port F bit 0 |
| Pin 55 | RF1 — Port F bit 1 |
| Pin 56 | RF2 — Port F bit 2 |
| Pin 57 | RF3 — Port F bit 3 |
| Pin 58 | RF4 — Port F bit 4 |
| Pin 59 | RF5 — Port F bit 5 |
| Pin 60 | RF6 — Port F bit 6 |
| Pin 61 | RF7 — Port F bit 7 |
| Pin 62 | VDD — Positive supply |
| Pin 63 | VSS — Ground |
| Pin 64 | RG0 — Port G bit 0 |
| Pin 65 | RG1 — Port G bit 1 |
| Pin 66 | RG2 — Port G bit 2 |
| Pin 67 | RG3 — Port G bit 3 |
| Pin 68 | RG4 — Port G bit 4 |
| Pin 69 | RG5 — Port G bit 5 |
| Pin 70 | RP5/RG10 — Remappable I/O / port G bit 10 |
| Pin 71 | RP6/RG11 — Remappable I/O / port G bit 11 |
| Pin 72 | RP7/RG12 — Remappable I/O / port G bit 12 |
| Pin 73 | RP8/RG13 — Remappable I/O / port G bit 13 |
| Pin 74 | RP9/RG14 — Remappable I/O / port G bit 14 |
| Pin 75 | RP10/RG15 — Remappable I/O / port G bit 15 |
| Pin 76 | VDD — Positive supply |
| Pin 77 | VSS — Ground |
| Pin 78 | RA0 — Port A bit 0 |
| Pin 79 | RA1 — Port A bit 1 |
| Pin 80 | RA4 — Port A bit 4 |
| Pin 81 | RA5 — Port A bit 5 |
| Pin 82 | RA6 — Port A bit 6 |
| Pin 83 | RA7 — Port A bit 7 |
| Pin 84 | RA8 — Port A bit 8 |
| Pin 85 | RA9 — Port A bit 9 |
| Pin 86 | RA10 — Port A bit 10 |
| Pin 87 | RA11 — Port A bit 11 |
| Pin 88 | RA12 — Port A bit 12 |
| Pin 89 | RA13 — Port A bit 13 |
| Pin 90 | RA14 — Port A bit 14 |
| Pin 91 | RA15 — Port A bit 15 |
| Pin 92 | VDD — Positive supply |
| Pin 93 | VSS — Ground |
| Pin 94 | RB12 — Port B bit 12 |
| Pin 95 | RB13 — Port B bit 13 |
| Pin 96 | RB14 — Port B bit 14 |
| Pin 97 | RB15 — Port B bit 15 |
| Pin 98 | RC12 — Port C bit 12 |
| Pin 99 | RC13 — Port C bit 13 |
| Pin 100 | RC14 — Port C bit 14 |
Typical Applications
PIC24FJ128GA610-I/PT is suitable for 6 applications: Industrial Control Panels, Battery-Powered IoT Sensor Nodes, Portable Medical Monitors, USB HID Human-Interface Devices, Fitness Wearables, Computer Peripheral Controllers.
Industrial Control Panels
The PIC24FJ128GA610-I/PT suits industrial control panels because its 85 I/O pins and 32 KB RAM can drive multi-line character LCDs, key matrices, and indicator LEDs while the 12-bit ADC reads analog sensors. The 2.0-3.6 V supply range simplifies integration with 3.3 V industrial backplanes, and the 100-pin TQFP gives plenty of headroom for CAN/UART/SPI peripherals. CTMU enables capacitive touch buttons for glass-front panels without an external touch IC. XLP nanoWatt sleep modes keep quiescent current under 1 uA, ideal for always-on panel controllers waiting on a wake event. The Live Update dual-partition Flash supports secure field firmware upgrades on the factory floor without halting production.
Recommended
Battery-Powered IoT Sensor Nodes
The PIC24FJ128GA610-I/PT is a strong fit for battery-powered IoT sensor nodes thanks to its XLP nanoWatt technology with sub-1 uA sleep current and 2.0 V minimum supply. The 128 KB Flash accommodates Zigbee/LoRa protocol stacks and over-the-air update payloads, while the 32 KB RAM holds TCP/IP or proprietary RF buffers. CTMU can directly measure temperature, humidity, and capacitive soil moisture without external analog front ends. The dual-partition Live Update Flash enables robust firmware upgrades in the field without bricking remote units. Industrial -40C to +85C operation tolerates outdoor enclosures across most climates.
Recommended
Portable Medical Monitors
The PIC24FJ128GA610-I/PT fits portable medical monitors that demand reliable 16-bit performance, low power, and rich peripherals in a small footprint. The 12-bit ADC with up to 16 channels multiplexes ECG, SpO2, temperature, and respiration sensor inputs. CTMU generates precise micro-amp currents for impedance-based respiration measurement. PMP can drive an external TFT or OLED graphic display with minimal firmware overhead. With 32 KB RAM, the device stores waveform buffers and trend logs without external memory. XLP technology extends battery life on lithium-ion packs, and the 100-pin TQFP gives medical designers ample pins for sensor, keypad, and Bluetooth links.
Recommended
USB HID Human-Interface Devices
The PIC24FJ128GA610-I/PT supports USB HID human-interface devices such as industrial keyboards, programmable keypads, and gaming controllers through its integrated USB 2.0 full-speed peripheral and PMP interface. The 32 KB RAM comfortably hosts USB HID report buffers, macro tables, and LED state machines. Dual-partition Flash enables manufacturers to ship firmware updates over USB without an external bootloader. The 100-pin TQFP provides enough I/O for RGB backlighting, matrix scanning, and rotary encoders. With DMA on USB endpoints, the CPU stays responsive to debounce and macro execution. Designers pair this MCU with low-cost USB transceivers or use the integrated PHY directly.
Recommended
Fitness Wearables
The PIC24FJ128GA610-I/PT powers fitness wearables that need 16-bit processing for step and heart-rate algorithms while sipping battery current. XLP nanoWatt sleep below 1 uA enables multi-week runtimes on a CR2032 coin cell. The 12-bit ADC samples optical heart-rate sensors and accelerometers at low duty cycle, while CTMU measures galvanic skin response. PMP can drive a small monochrome OLED or segment LCD. 128 KB Flash stores weeks of activity logs and BLE stack footprints. The 100-pin TQFP allows hand-routing in wearable form factors, and the -40C to +85C rating covers sweat, shower, and outdoor conditions.
Recommended
Computer Peripheral Controllers
The PIC24FJ128GA610-I/PT is well suited as a peripheral controller in scanners, label printers, and multi-function displays. The PMP peripheral talks directly to character LCDs and external parallel Flash, while multiple UART/SPI/I2C instances connect to scanners, motor drivers, and storage. The 32 KB RAM and 128 KB Flash comfortably hold printer font tables, command interpreters, and USB stacks. CTMU can sense paper-presence and keypad actuation without dedicated touch hardware. Dual-partition Live Update allows safe firmware upgrades in OEM warranty service. The 100-pin TQFP gives designers room for both legacy and modern peripheral buses on the same PCB.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ128GA610-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ128GA610-E/PT | PIC24FJ128GA310-I/PT | PIC24FJ128GA410-I/PT | PIC24FJ128GA110-I/PT | PIC24FJ128DA110-I/BG | PIC24FJ1024GA610-I/BG |
|---|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (PT) 12x12 mm | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin BGA (BG) - different package | 100-pin BGA (BG) - different package |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 128 KB | 128 KB - same | 128 KB - same | 128 KB - same | 128 KB - same | 128 KB - same | 1024 KB - +700% |
| RAM | 32 KB | 32 KB - same | 16 KB - -50% | 16 KB - -50% | 8 KB - -75% | 8 KB - -75% | 32 KB - same |
| Core Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same | 2.0 V to 3.6 V - same |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same |
| Live Update Dual-Partition Flash | Yes | Yes - same | No | No | No | No | Yes - same |
| CTMU / CLC / PMP | Yes (all three) | Yes (all three) - same | No | No | No | PMP only | Yes (all three) - same |
Key Differentiators
- Largest on-chip SRAM in the 100-pin PIC24FJ GA6xx family (vs PIC24FJ128GA310-I/PT)
- CTMU, CLC, and PMP peripherals unique within the 100-pin GA family (vs PIC24FJ128GA110-I/PT)
- Dual-partition Flash with Live Update for safe field upgrades (vs PIC24FJ128GA410-I/PT)
Design Notes
Place a 0.1 uF decoupling capacitor as close as possible to every VDD/VSS pin pair on the PIC24FJ128GA610-I/PT; for the 100-pin TQFP that means at least 7 capacitor placements across the package. Use a bulk 10 uF tantalum or aluminum-polymer capacitor at the regulator output to suppress load transients during DMA and ADC bursts. A 2.2 uF bulk on AVDD reduces ADC reference noise. Estimated: total decoupling budget under $0.30 for a full BOM placement.
Route PGEC1/PGED1 (pins 10-11) and PGEC2/PGED2 (pins 12-13) as a matched-length pair directly to the ICSP header with no series resistors greater than 100 ohms, since MPLAB ICD programmers depend on clean edges. Place the 100-pin TQFP on a single signal layer if possible, with a continuous ground pour underneath the exposed pad area to keep thermal resistance theta_JA below 50 C/W. Use Microchip's package CAD footprint file for the TQFP-100 12x12 to avoid shorts between the 0.5 mm pitch leads.
Do not leave the MCLR pin floating - tie it to VDD through a 10 kohm pull-up and add a 100 nF cap to ground for noise filtering, otherwise spurious resets will corrupt the Live Update dual-partition boot logic. Configure unused I/O as outputs driven low to minimize supply current, and disable unused peripherals in the PMD registers during deep-sleep to reach the XLP nanoamp-level quiescent budget. Verify that your bootloader fits within the upper boot Flash partition before enabling Live Update to avoid bricking during field upgrades.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - select PIC24FJ128GA610-E/PT for the extended-temperature variant or pair with an automotive-grade companion part. Lead-free and halogen-free per Microchip Material Declaration.
