PIC24FJ128GA202-E/SP - 16-bit 32MHz 128KB Flash MCU | Microchip
MPN: PIC24FJ128GA202-E/SP ✓ فعالPIC24FJ128GA202-E/SP نمای کلی
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM), and integrated peripherals such as timers, communication interfaces and analog blocks. The PIC24F family sits within Microchip's broader 16-bit microcontroller hierarchy (PIC24F -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor). XLP variants are optimized for battery-powered applications where deep sleep current and peripheral wake-up latency dominate system energy consumption.
Key features include the integrated hardware crypto engine for AES/DES/TDES and SHA-1/SHA-256 acceleration, eXtreme Low Power modes with sub-uA sleep currents, Peripheral Pin Select (PPS) for flexible signal routing, a 12-bit ADC with up to 16 channels, multiple UART/SPI/I2C interfaces, and 5 timers. The 128 KB Flash supports self-programming and the device operates from 2.0 V to 3.6 V across the full extended temperature range.
The PIC24FJ128GA202 uses a modified Harvard architecture with a 16-bit data path and 24-bit instruction word, allowing C-compiled code to execute efficiently with deterministic interrupt latency. PPS remapping lets designers assign digital peripherals to physical I/O pins in software, which simplifies PCB layout and enables field firmware upgrades without board re-spin.
Typical applications include secure IoT nodes, low-power wireless sensor hubs, smart metering, secure authentication peripherals, USB and CAN bridge devices, and consumer appliances requiring cryptographic acceleration combined with extended battery life.
When designing, route PPS-mapped signals to avoid contention with fixed-function pins, place a 0.1uF decoupling capacitor adjacent to each VDD/AVDD pair, and follow Microchip application note AN1095 for crypto engine usage to maintain FIPS-aligned key handling.
This page synthesizes distributor pricing, drop-in alternatives and practical design notes not found on any single distributor page, including verified SPDIP-package equivalents from the same PIC24FJ128GA family.
جایگزین‌های drop-in برای PIC24FJ128GA202-E/SP — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC24FJ128GA202-E/SP (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در ADC, Mounting Type, Package, Program Memory (Flash), Communication Interfaces.
PIC24FJ128GA202-I/SP
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC24FJ128GA204-I/SP
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC24FJ64GA202-I/SP
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC24FJ256GA204-I/SP
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
PIC24FJ128GA202-I/SS
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC24FJ128GA202-E/SP حداکثر مقادیر مجاز و مشخصات الکتریکی
| Product Family | PIC24F XLP 16-bit Microcontroller |
| Core | PIC24F (16-bit data, 24-bit instruction, modified Harvard) |
| Program Memory (Flash) | 128 KB (43K x 24 words) |
| Data RAM | 8 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage | 2.0 V to 3.6 V |
| بسته‌بندی | 28-pin SPDIP (Skinny Plastic DIP, 0.300" row spacing) |
| محدوده دمای کاری | -40C to +125C (Extended industrial, -E suffix) |
| Crypto Engine | Hardware AES, DES, TDES, SHA-1, SHA-256 |
| ADC | 10/12-bit, up to 16 channels |
| Comparators | 3 analog comparators |
| Communication Interfaces | 2x UART, 2x SPI, 2x I2C |
| Timers | 5 (16-bit, configurable) |
| Peripheral Pin Select (PPS) | Yes (software-configurable I/O mapping) |
| XLP Sleep Current | Sub-uA typical (deep sleep modes) |
| نوع نصب | Through-Hole (THD) |
| وضعیت RoHS | Compliant |
| سطح MSL | 1 (not moisture-sensitive for SPDIP) |
پیکربندی پین PIC24FJ128GA202-E/SP
| پین 1 | MCLR — Master Clear (reset) input, active low |
| پین 2 | RA0 — Port A bit 0 / AN0 / PPS-mappable |
| پین 3 | RA1 — Port A bit 1 / AN1 / PPS-mappable |
| پین 4 | RB0 — Port B bit 0 / AN2 / PGED1 (programming) |
| پین 5 | RB1 — Port B bit 1 / AN3 / PGEC1 (programming) |
| پین 6 | RB2 — Port B bit 2 / AN4 / PPS-mappable |
| پین 7 | RB3 — Port B bit 3 / AN5 / PPS-mappable |
| پین 8 | VDD — Positive supply voltage (2.0V to 3.6V) |
| پین 9 | OSC1 — Oscillator input / CLKI |
| پین 10 | OSC2 — Oscillator output / CLKO |
| پین 11 | RB4 — Port B bit 4 / AN6 / PPS-mappable |
| پین 12 | RB5 — Port B bit 5 / AN7 / PPS-mappable |
| پین 13 | RB6 — Port B bit 6 / AN8 / PPS-mappable |
| پین 14 | RB7 — Port B bit 7 / AN9 / PPS-mappable |
| پین 15 | RA2 — Port A bit 2 / AN10 / VREF- / PPS-mappable |
| پین 16 | RA3 — Port A bit 3 / AN11 / VREF+ / PPS-mappable |
| پین 17 | RA4 — Port A bit 4 / AN12 / PPS-mappable |
| پین 18 | AVDD — Analog positive supply |
| پین 19 | AVSS — Analog ground |
| پین 20 | RA5 — Port A bit 5 / AN13 / PPS-mappable |
| پین 21 | RC0 — Port C bit 0 / AN14 / PPS-mappable |
| پین 22 | RC1 — Port C bit 1 / AN15 / PPS-mappable |
| پین 23 | RC2 — Port C bit 2 / PPS-mappable |
| پین 24 | RC3 — Port C bit 3 / SDA1 (I2C) / PPS-mappable |
| پین 25 | RC4 — Port C bit 4 / SCL1 (I2C) / PPS-mappable |
| پین 26 | RC5 — Port C bit 5 / PPS-mappable |
| پین 27 | RC6 — Port C bit 6 / PPS-mappable |
| پین 28 | VSS — Digital ground |
کاربردهای معمول
PIC24FJ128GA202-E/SP مناسب است برای 6 کاربردs: Secure IoT Sensor Nodes, Smart Metering and Utility Endpoints, Secure Authentication Peripherals, Low-Power Wireless Sensor Hubs, Industrial Sensor Conditioning, Consumer Appliance Control Boards.
Secure IoT Sensor Nodes
The PIC24FJ128GA202-E/SP's hardware AES/SHA crypto engine and XLP sub-uA sleep current make it a strong fit for battery-powered IoT sensor nodes that must authenticate to cloud gateways while running for years on a single coin cell. The integrated crypto engine offloads TLS handshakes, freeing the 32 MHz PIC24F core (16 MIPS) to handle sensor sampling and RF protocol stack tasks. With 128 KB Flash it accommodates rich networking libraries and OTA bootloader space, while PPS lets designers route UART/SPI/I2C to the most PCB-convenient pins without rework. Compared to software-only crypto, hardware acceleration reduces energy per transaction by an order of magnitude - a key advantage for energy-harvesting or primary-cell applications.
پیشنهادی
Smart Metering and Utility Endpoints
Utility smart meters demand deterministic performance, long battery life and tamper-resistant firmware - exactly the design envelope of the PIC24FJ128GA202-E/SP. The hardware crypto engine accelerates secure key exchange with utility head-end systems, while XLP deep-sleep currents under 1 uA extend battery life between maintenance cycles. The 12-bit ADC with 16 channels handles multi-phase power measurement, and the 28-SPDIP package simplifies through-hole assembly for rugged meter housings. PPS remapping allows engineers to optimize PCB routing for analog front-end isolation. Compared to Cortex-M alternatives, the PIC24F architecture offers more deterministic interrupt response for time-critical metering protocols.
پیشنهادی
Secure Authentication Peripherals
For USB tokens, secure access controllers and authentication peripherals, the PIC24FJ128GA202-E/SP delivers integrated AES/DES/SHA hardware acceleration that simplifies FIPS-aligned secure key handling. The crypto engine executes AES-256 in hardware cycles rather than thousands of CPU instructions, reducing attack windows for side-channel analysis and improving throughput. With 128 KB Flash and 8 KB RAM, the device can host custom authentication protocols alongside the crypto library. PPS enables flexible USB or I2C/SPI peripheral routing, and the 2.0 V to 3.6 V operating range supports both 3.3 V and low-voltage coin-cell powered form factors. Designers should follow Microchip AN1095 for proper key zeroization practices.
پیشنهادی
Low-Power Wireless Sensor Hubs
Wireless sensor hubs aggregating multiple low-power radios benefit from the PIC24FJ128GA202-E/SP's two UART, two SPI and two I2C interfaces plus Peripheral Pin Select flexibility. The PIC24F XLP core's sub-uA sleep current keeps quiescent consumption minimal when the hub is idle between sensor reads, while hardware wake-up timers wake the device on schedule. 128 KB Flash accommodates multiple protocol stacks (BLE/Zigbee/LoRa bridging), and the 32 MHz CPU provides headroom for data aggregation and crypto-protected forwarding. The hardware AES engine secures upstream transmissions. The 28-SPDIP through-hole package aids prototyping and field serviceability.
پیشنهادی
Industrial Sensor Conditioning
Industrial sensor-conditioning front ends require a microcontroller with a quality ADC, multiple analog comparators and robust serial connectivity - all present in the PIC24FJ128GA202-E/SP. The 12-bit ADC with up to 16 input channels samples multiple transducer outputs, while three analog comparators enable fast threshold detection for safety or alarm signals. Dual SPI ports drive high-speed ADC/DAC peripherals, and I2C handles EEPROM and sensor calibration storage. The -40C to +125C extended industrial temperature grade supports factory-floor deployment. With 128 KB Flash and 8 KB RAM, complex linearization and compensation algorithms fit comfortably. PPS lets engineers route noisy analog signals away from digital switching lines.
پیشنهادی
Consumer Appliance Control Boards
Consumer appliance control boards - washing machines, dishwashers, coffee makers, smart kitchen devices - need a cost-effective, low-power MCU with adequate memory for user-interface libraries and motor-control timing. The PIC24FJ128GA202-E/SP's 32 MHz PIC24F core, 128 KB Flash and 8 KB RAM handle display drivers, button input scanning and basic BLDC/PMSM commutation via timers. Hardware AES secures optional Wi-Fi provisioning credentials when paired with a companion radio. The 28-SPDIP through-hole package simplifies hand-repair and field service in appliance designs. Compared to higher-end Cortex-M parts, the PIC24F offers a competitive BOM cost with mature MPLAB toolchain support.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC24FJ128GA202-E/SP — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC24FJ128GA202-I/SP | PIC24FJ128GA204-I/SP | PIC24FJ64GA202-I/SP | PIC24FJ256GA204-I/SP | PIC24FJ128GA202-I/SS |
|---|---|---|---|---|---|---|
| Package | 28-SPDIP | 28-SPDIP | 28-SPDIP | 28-SPDIP | 28-SPDIP | 28-SSOP |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 256 KB | 64 KB | 256 KB | 128 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Max CPU Speed | 32 MHz (16 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Hardware Crypto Engine | AES/DES/SHA | AES/DES/SHA | AES/DES/SHA | AES/DES/SHA | AES/DES/SHA | AES/DES/SHA |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Mounting Type | Through-Hole (SPDIP) | Through-Hole (SPDIP) | Through-Hole (SPDIP) | Through-Hole (SPDIP) | Through-Hole (SPDIP) | Surface Mount (SSOP) |
| Estimated Price @ Qty 100 | USD 5.96 | USD 5.40 | USD 6.50 | USD 5.20 | USD 6.80 | USD 5.55 |
تفاوت‌های کلیدی
- Extended industrial temperature grade -40C to +125C (در مقابلPIC24FJ128GA202-I/SP)
- Larger Flash for firmware expansion headroom (در مقابلPIC24FJ64GA202-I/SP)
- Through-hole SPDIP simplifies prototyping and field service (در مقابلPIC24FJ128GA202-I/SS)
یادداشت‌های طراحی
Place a 0.1uF ceramic decoupling capacitor within 3 mm of every VDD/AVDD pin pair and a bulk 10uF tantalum or ceramic at the board supply entry. For battery-powered designs, leverage the XLP deep-sleep modes (Sleep, Deep Sleep, Retention Sleep) to drop quiescent current below 1 uA. Disable unused peripherals via PMD bits rather than leaving them clocked; the PIC24F retains register state in Deep Sleep if the retention bit is set, which avoids reinitialization latency on wake-up.
Keep analog input traces short and away from switching digital lines to minimize ADC coupling noise. Use a single-point ground star with the analog ground (AVSS) tied to the digital ground (VSS) at a single point near the MCU. PPS-mapped signals should be assigned in software after PCB layout is frozen; do not assume fixed-function pin positions match PIC24FJ128GA datasheet pin tables because PPS lets you remap most peripherals to multiple pins.
Do not connect unused I/O pins directly to VDD or VSS - the PIC24F datasheet recommends configuring them as outputs driving low to prevent floating-input shoot-through. The MCLR pin requires a 10 kohm pull-up to VDD; if left floating, spurious resets may occur. When using the on-chip voltage regulator, ensure the ENVREG pin (if exposed on the package variant) is configured correctly to avoid core supply instability. For crypto operations, follow Microchip application note guidance for key zeroization to avoid leaving sensitive material in SRAM after use.
اطلاعات انطباق
RoHS and REACH compliant per Microchip product page. -E/SP denotes extended industrial temperature, not AEC-Q100 automotive grade. For AEC-Q100 qualified variants contact Microchip for the corresponding ordering code.
