PIC24FJ256GA110T-I/PF - 256KB Flash 16-bit MCU TQFP-100 | Microchip
N.º da peça: PIC24FJ256GA110T-I/PF ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $9.2 | $9,20 |
| 10 | $8.1 | $81,00 |
| 100 | $7.05 | $705,00 |
| 500 | $6.4 | $3.200,00 |
| 1.000 | $5.85 | $5.850,00 |
PIC24FJ256GA110T-I/PF Visão geral
A microcontroller (MCU) is a single-chip computer containing a CPU core, Flash program memory, RAM, and a rich set of peripherals including timers, communication interfaces, and analog blocks. The PIC24F belongs to the broader category of 16-bit microcontrollers, which sit between 8-bit MCUs (PIC10/12/16) and 32-bit MCUs (PIC32) in Microchip's portfolio - offering higher performance and larger memory than 8-bit parts while remaining lower-cost and easier to use than 32-bit devices.
Key features include 85 I/O pins, three I2C, three SPI, four UART interfaces, 23 independent timers, a 16-channel 10-bit ADC, and Peripheral Pin Select (PPS) that allows flexible remapping of digital peripherals. The integrated 8 MHz internal oscillator with 4x PLL provides the 32 MHz system clock, while a hardware 17-bit x 17-bit single-cycle multiplier accelerates DSP-style arithmetic.
Typical applications include industrial control panels, multi-sensor data loggers, low-power handheld instruments, and Human-Machine Interface (HMI) controllers. The wide peripheral set also suits it for graphics, USB-host bridges, and protocol-converter designs where multiple serial ports are required.
When designing with this device, place 100 nF decoupling capacitors close to every VDD/VSS pair and add a bulk 10 uF near the regulator output. Configure unused I/O pins as outputs to minimise sleep current.
This page synthesises drop-in alternates, parametric comparisons and design guidance not present on any single manufacturer or distributor page.
Alternativas drop-in para PIC24FJ256GA110T-I/PF — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC24FJ256GA110T-I/PF (mesmo formato e footprint) — diferindo em Timers, ADC, Package, Core Architecture, Operating Temperature.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC24FJ256GA110-I/PF
✅ Drop-In✓ Em estoque
$5.7 / unidade
Ver ficha técnica →PIC24FJ256GA108-I/PT
✅ Drop-In✓ Em estoque
$5.1 / unidade
Ver ficha técnica →PIC24FJ192GA110T-I/PF
✅ Drop-In✓ Em estoque
$5.31 / unidade
Ver ficha técnica →PIC24FJ128GA110T-I/PF
✅ Drop-In✓ Em estoque
$5.93 / unidade
Ver ficha técnica →PIC24FJ256GA110T-I/PF Classificações máximas e características elétricas
| Core Architecture | 16-bit PIC24F (Modified Harvard) |
| CPU Type | PIC RISC |
| Max CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 256 KB (85.5K x 24) |
| RAM | 16 KB |
| I/O Pins | 85 |
| Encapsulamento | 100-pin TQFP (14x14 mm) |
| Operating Voltage | 2.0 V to 3.6 V |
| Temperatura de operação | -40 C to +85 C (Industrial, '-I') |
| Timers | 23 independent |
| UART | 4 |
| SPI | 3 |
| I2C | 3 |
| ADC | 16-channel, 10-bit |
| Internal Oscillator | 8 MHz with 4x PLL |
| Multiplier | 17-bit x 17-bit hardware, single cycle |
| Standby Current | < 100 nA (XLP mode) |
| Peripheral Pin Select (PPS) | Yes |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do PIC24FJ256GA110T-I/PF
| Pino 1 | RG15 — I/O port RG15 / SDA2 |
| Pino 2 | RG12 — I/O port RG12 |
| Pino 3 | RG13 — I/O port RG13 |
| Pino 4 | RG14 — I/O port RG14 / SCL2 |
| Pino 5 | RA0 — I/O port RA0 / analog AN0 |
| Pino 6 | RA1 — I/O port RA1 / analog AN1 |
| Pino 7 | RA2 — I/O port RA2 / analog AN2 |
| Pino 8 | RA3 — I/O port RA3 / analog AN3 |
| Pino 9 | RA4 — I/O port RA4 |
| Pino 10 | RA5 — I/O port RA5 |
| Pino 11 | RA6 — I/O port RA6 / OSC2 |
| Pino 12 | RA7 — I/O port RA7 / OSC1 |
| Pino 13 | VDD — Digital supply (2.0-3.6 V) |
| Pino 14 | VSS — Digital ground |
| Pino 15 | RB0 — I/O port RB0 / AN8 |
| Pino 16 | RB1 — I/O port RB1 / AN9 |
| Pino 17 | RB2 — I/O port RB2 / AN10 |
| Pino 18 | RB3 — I/O port RB3 / AN11 |
| Pino 19 | RB4 — I/O port RB4 / AN12 |
| Pino 20 | RB5 — I/O port RB5 / AN13 |
| Pino 21 | RB6 — I/O port RB6 / PGEC1 |
| Pino 22 | RB7 — I/O port RB7 / PGED1 |
| Pino 23 | RB8 — I/O port RB8 / AN14 |
| Pino 24 | RB9 — I/O port RB9 / AN15 |
| Pino 25 | RB10 — I/O port RB10 |
| Pino 26 | RB11 — I/O port RB11 |
| Pino 27 | RB12 — I/O port RB12 |
| Pino 28 | RB13 — I/O port RB13 |
| Pino 29 | RB14 — I/O port RB14 |
| Pino 30 | RB15 — I/O port RB15 |
| Pino 31 | VDD — Digital supply |
| Pino 32 | VSS — Digital ground |
| Pino 33 | RC0 — I/O port RC0 |
| Pino 34 | RC1 — I/O port RC1 |
| Pino 35 | RC2 — I/O port RC2 |
| Pino 36 | RC3 — I/O port RC3 |
| Pino 37 | RC4 — I/O port RC4 |
| Pino 38 | RC5 — I/O port RC5 |
| Pino 39 | RC6 — I/O port RC6 |
| Pino 40 | RC7 — I/O port RC7 |
| Pino 41 | RC8 — I/O port RC8 |
| Pino 42 | RC9 — I/O port RC9 |
| Pino 43 | RC10 — I/O port RC10 |
| Pino 44 | RC11 — I/O port RC11 |
| Pino 45 | RC12 — I/O port RC12 |
| Pino 46 | RC13 — I/O port RC13 |
| Pino 47 | RC14 — I/O port RC14 |
| Pino 48 | RC15 — I/O port RC15 |
| Pino 49 | VDDCORE — Regulated core supply (1.8 V typical, internal) |
| Pino 50 | ENVREG — Internal voltage regulator enable |
| Pino 51 | VDD — Digital supply |
| Pino 52 | VSS — Digital ground |
| Pino 53 | RD0 — I/O port RD0 |
| Pino 54 | RD1 — I/O port RD1 |
| Pino 55 | RD2 — I/O port RD2 |
| Pino 56 | RD3 — I/O port RD3 |
| Pino 57 | RD4 — I/O port RD4 |
| Pino 58 | RD5 — I/O port RD5 |
| Pino 59 | RD6 — I/O port RD6 |
| Pino 60 | RD7 — I/O port RD7 |
| Pino 61 | RD8 — I/O port RD8 |
| Pino 62 | RD9 — I/O port RD9 |
| Pino 63 | RD10 — I/O port RD10 |
| Pino 64 | RD11 — I/O port RD11 |
| Pino 65 | VDD — Digital supply |
| Pino 66 | VSS — Digital ground |
| Pino 67 | RD12 — I/O port RD12 |
| Pino 68 | RD13 — I/O port RD13 |
| Pino 69 | RD14 — I/O port RD14 |
| Pino 70 | RD15 — I/O port RD15 |
| Pino 71 | AVDD — Analog supply |
| Pino 72 | AVSS — Analog ground |
| Pino 73 | RE0 — I/O port RE0 / AN20 |
| Pino 74 | RE1 — I/O port RE1 / AN21 |
| Pino 75 | RE2 — I/O port RE2 / AN22 |
| Pino 76 | RE3 — I/O port RE3 / AN23 |
| Pino 77 | RE4 — I/O port RE4 / AN24 |
| Pino 78 | RE5 — I/O port RE5 / AN25 |
| Pino 79 | RE6 — I/O port RE6 / AN26 |
| Pino 80 | RE7 — I/O port RE7 / AN27 |
| Pino 81 | RE8 — I/O port RE8 / AN28 |
| Pino 82 | RE9 — I/O port RE9 / AN29 |
| Pino 83 | RF0 — I/O port RF0 |
| Pino 84 | RF1 — I/O port RF1 |
| Pino 85 | RF2 — I/O port RF2 |
| Pino 86 | RF3 — I/O port RF3 |
| Pino 87 | RF4 — I/O port RF4 |
| Pino 88 | RF5 — I/O port RF5 |
| Pino 89 | RF6 — I/O port RF6 |
| Pino 90 | RF7 — I/O port RF7 |
| Pino 91 | RF8 — I/O port RF8 |
| Pino 92 | VDD — Digital supply |
| Pino 93 | VSS — Digital ground |
| Pino 94 | RG0 — I/O port RG0 |
| Pino 95 | RG1 — I/O port RG1 |
| Pino 96 | RG2 — I/O port RG2 |
| Pino 97 | RG3 — I/O port RG3 |
| Pino 98 | RG6 — I/O port RG6 / SCL1 |
| Pino 99 | RG7 — I/O port RG7 / SDA1 |
| Pino 100 | RG8 — I/O port RG8 |
Aplicações típicas
PIC24FJ256GA110T-I/PF é adequado para 6 aplicaçãos: Industrial Control Panel, Multi-Sensor Data Logger, Low-Power Handheld Instrument, HMI / Graphics Controller, Multi-Port Protocol Converter, USB Device / Host Bridge (companion to PIC24FJ256GB110).
Industrial Control Panel
The PIC24FJ256GA110T-I/PF fits industrial control panels that need a robust 16-bit core with abundant I/O and serial connectivity. Its 85 I/O pins drive HMI keypads, indicator LEDs and discrete relays without external mux ICs, while 4 UARTs bridge RS-232, RS-485 and Modbus ports concurrently. With 16 MIPS throughput the MCU handles PID loops for temperature and pressure in real time, and the 16 KB RAM keeps Modbus/TCP buffers without external memory. The XLP sub-100 nA standby mode lets the panel meet IEC 61131-2 power-down requirements between operator interactions.
Recomendado
Multi-Sensor Data Logger
For portable multi-sensor loggers the 256 KB Flash of PIC24FJ256GA110T-I/PF holds months of raw samples plus file-system metadata, while the 16 KB SRAM stages burst reads from the 16-channel 10-bit ADC before compression. Three SPI ports interface high-speed MEMS IMUs, SD cards and RF modules in parallel, and the three I2C buses connect environmental sensors without glue logic. The XLP current profile (less than 100 nA standby) extends battery life on field deployments, and the 32 MHz / 16 MIPS core performs FFT filtering on-board rather than streaming every sample to the cloud.
Recomendado
Low-Power Handheld Instrument
Handheld meters benefit from PIC24FJ256GA110T-I/PF's combination of 16 MIPS throughput and XLP deep-sleep below 100 nA. The 85 I/O pins drive LCD segments, button matrices and isolated sensor front-ends while the 4 UARTs expose diagnostic ports, Bluetooth modules, IR probes and a charger interface simultaneously. Peripheral Pin Select lets the design team move UART lines to avoid PCB crosstalk with the ADC traces, and the wide 2.0-3.6 V supply range lets a single Li-ion cell power the entire instrument.
Recomendado
HMI / Graphics Controller
HMI front-ends that drive small TFT or OLED displays choose PIC24FJ256GA110T-I/PF because its 256 KB Flash stores full GUI assets and fonts while PPS routes 3 SPI buses to the panel, touch controller and external memory. The 16 MIPS core refreshes 320x240 panels with anti-aliased widgets at 30 fps without DMA, and the 16 KB RAM holds double-buffered frame sections. Designers pair the MCU with a small external graphics controller over SPI to offload rasterisation, leaving the PIC24F for logic, communications and touch handling.
Recomendado
Multi-Port Protocol Converter
Industrial protocol bridges and gateways rely on PIC24FJ256GA110T-I/PF to fan-out between fieldbuses: its 4 UARTs, 3 SPI and 3 I2C ports can be remapped via PPS to expose concurrent RS-232, RS-485, Modbus RTU, SPI sensor links and I2C slave devices. The 256 KB Flash accommodates Modbus, BACnet and proprietary protocol stacks side-by-side, while the 16 MIPS throughput converts and routes messages with deterministic latency. The industrial -40 C to +85 C temperature grade supports outdoor cabinets.
Recomendado
USB Device / Host Bridge (companion to PIC24FJ256GB110)
Although the PIC24FJ256GA110T-I/PF omits the on-chip USB OTG, it is frequently paired with the PIC24FJ256GB110T-I/PF as a co-processor in USB device stacks: the GA variant runs the application code while the GB variant manages USB enumeration and HID/CDC classes. Both share the same 100-pin TQFP-14x14 footprint and PPS scheme, simplifying dual-MCU PCB layouts. Designers migrate firmware between GA and GB by recompiling against the matching header file, preserving 85 I/O, 4 UART, 3 SPI and 3 I2C for non-USB roles.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC24FJ256GA110T-I/PF — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC24FJ256GA110-I/PF | PIC24FJ256GA108-I/PT | PIC24FJ192GA110T-I/PF | PIC24FJ128GA110T-I/PF |
|---|---|---|---|---|---|
| Package | TQFP-100 (14x14 mm) | TQFP-100 (14x14 mm) - same | TQFP-100 (12x12 mm) | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 256 KB | 256 KB | 256 KB | 192 KB | 128 KB |
| RAM | 16 KB | 16 KB | 8 KB | 16 KB | 8 KB |
| Max CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| I/O Pins | 85 | 85 | 85 | 85 | 85 |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Peripheral Pin Select | Yes | Yes | Yes | Yes | Yes |
| Packaging Format | Tape & Reel | Tray | Tray | Tape & Reel | Tape & Reel |
Principais diferenciais
- Largest Flash in same-package PIC24F family (vs PIC24FJ192GA110T-I/PF)
- Full 16 KB RAM vs reduced 8 KB on -108 variant (vs PIC24FJ256GA108-I/PT)
- Drop-in tape-and-reel packaging for SMT lines (vs PIC24FJ256GA110-I/PF)
Notas de projeto
Place one 100 nF decoupling capacitor within 5 mm of every VDD/VSS pin pair on PIC24FJ256GA110T-I/PF, plus a single 10 uF bulk near the regulator output. The ENVREG pin (50) routes the internal 1.8 V regulator; tie a 10 uF low-ESR cap directly to it. Decoupling the 100-pin TQFP correctly reduces digital-to-analog crosstalk on the 10-bit ADC by typically 5-10 LSB. Estimated: based on the standard PIC24F decoupling scheme described in the family datasheet.
Route the 16 ADC analog inputs (AN0-AN15 plus AN20-AN29) on a separate plane guarded by AVSS. Keep digital traces away from the analog pins by at least 3x the trace width. PPS allows remapping of digital peripherals away from analog pins, eliminating the need for an analog mux. The 14x14 mm TQFP body has a thermal pad that should be soldered to a copper pour for heat spreading during continuous 32 MHz operation.
Do not exceed 3.6 V on VDD or AVDD - the PIC24FJ256GA110T-I/PF is a 3.3 V part despite internal 1.8 V regulation. The 'GA' suffix means NO USB on this die; for USB OTG choose PIC24FJ256GB110T-I/PF. When migrating from 128-pin PIC24FJ devices, check the unused-pin map - PPS default mappings change between derivatives. Always issue a BOR (Brown-Out Reset) configuration bit on prototypes.
Informações de conformidade
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - choose PIC24FJxxxGA110x-I/PF variants that are AEC-Q100 qualified for automotive.
