PIC24F04KL101-E/P - 16-bit MCU, 32MHz, 4KB Flash, 20-PDIP | Microchip
MPN: PIC24F04KL101-E/P ✓ Hoạt độngPIC24F04KL101-E/P Tóm tắt
What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals (I/O, timers, communication interfaces). A 16-bit MCU like the PIC24F04KL101 processes data in 16-bit words, doubling the arithmetic throughput of 8-bit MCUs while retaining low cost and ultra-low power consumption. The PIC24F sits in the hierarchy: microcontroller -> 16-bit MCU -> PIC24F family -> "KL" sub-family (low-power, low-cost, low pin count).
Key features of the PIC24F04KL101 include 4KB self-programmable Flash with table-read/table-write support, 512 bytes of SRAM, a 3-channel 16-bit timer, MSSP (Master Synchronous Serial Port) supporting both I2C and SPI, CCP (Capture/Compare/PWM), 10-bit ADC, nanoWatt XLP deep-sleep modes down to nanoampere quiescent current, and an integrated 32kHz low-power oscillator. The device operates from 1.8V to 3.6V, making it ideal for single-cell lithium or two-AA battery applications.
Architecturally, the PIC24F "KL" family uses a modified Harvard architecture with separate 16-bit instruction and 24-bit data paths, allowing single-cycle instruction fetch with single-cycle data access. The nanoWatt XLP technology incorporates multiple power-saving modes (Sleep, Idle, Doze) and a dedicated low-power Real-Time Clock/Calendar domain, drawing currents measured in nanoamps in deep-sleep with RTCC active. This combination delivers extended battery life for always-on sensor applications.
Typical applications include low-cost consumer electronics (portable media players, toys, remote controls), battery-powered medical disposables (glucose meters, inhalers), safety/security peripherals (wireless sensors, smoke detector bases), industrial sensor nodes (LoRaWAN/BLE end-nodes), and any application migrating from PIC18 to 16-bit PIC24F while keeping the same DIP-20 footprint. The through-hole 20-PDIP package is favored for hand-prototyping, education, and field-replaceable designs.
When designing with the PIC24F04KL101-E/P, place a 0.1uF decoupling capacitor as close as possible to the VDD pin and a 10uF bulk capacitor on the supply rail. Use the ICSP interface (PGECx/PGEDx pairs) for in-circuit programming and debugging, and select the correct pair for your PCB layout. Do not exceed the 3.6V absolute maximum on any pin to avoid latch-up.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the standalone manufacturer datasheet, giving you a single reference for sourcing, comparing, and deploying the PIC24F04KL101-E/P.
Bộ thay thế dễ dàng lắp đặt cho PIC24F04KL101-E/P — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC24F04KL101-E/P (cùng hình factor và footprint) — khác nhau ở Package, Program Memory (Flash), ADC, Operating Temperature, Timers.
PIC24F04KL100-E/P
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24F04KL200-E/P
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F08KL101-E/P
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F16KL101-E/P
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FV16KA101-E/P
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24HJ12GP201-E/P
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24F04KL101-E/P Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 4 KB (1.375K x 24 instructions) |
| Data Memory (RAM) | 512 bytes |
| Operating Voltage Range | 1.8 V to 3.6 V |
| Khoảng nhiệt độ hoạt động | -40 C to +125 C (Industrial, -E suffix) |
| Hộp | 20-pin PDIP (DIP, 0.300 inch / 7.62 mm row spacing) |
| Kiểu lắp đặt | Through-Hole |
| Communication Interfaces | MSSP (I2C/SPI), UART |
| PWM/CCP | Yes (Capture/Compare/PWM modules) |
| Low-Power Technology | nanoWatt XLP |
| ICSP | Yes (In-Circuit Serial Programming via PGECx/PGEDx) |
| Trạng thái RoHS | Compliant |
| Cấp MSL | Not applicable (through-hole package) |
Cấu hình chân PIC24F04KL101-E/P
| Chân 1 | MCLR — Master Clear (reset) input, active low |
| Chân 2 | RA0 — Port A bit 0 / analog input |
| Chân 3 | RA1 — Port A bit 1 / analog input |
| Chân 4 | RB0 — Port B bit 0 |
| Chân 5 | RB1 — Port B bit 1 |
| Chân 6 | RB2 — Port B bit 2 |
| Chân 7 | RB3 — Port B bit 3 |
| Chân 8 | VSS — Ground reference |
| Chân 9 | RA2 — Port A bit 2 / analog input |
| Chân 10 | RA3 — Port A bit 3 / analog input |
| Chân 11 | RB4 — Port B bit 4 |
| Chân 12 | RA4 — Port A bit 4 |
| Chân 13 | RA5 — Port A bit 5 |
| Chân 14 | VDD — Positive supply voltage (1.8V-3.6V) |
| Chân 15 | OSC1 — External oscillator input |
| Chân 16 | OSC2 — External oscillator output |
| Chân 17 | RA6 — Port A bit 6 |
| Chân 18 | RA7 — Port A bit 7 |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply voltage (1.8V-3.6V) |
Ứng dụng tiêu biểu
PIC24F04KL101-E/P phù hợp cho 6 Áp dụngs: Battery-Powered Sensor Nodes, Disposable Medical Devices, Cost-Sensitive Consumer Electronics, Industrial Sensor Conditioning, Educational & Prototyping Platforms, Safety & Security Peripherals.
Battery-Powered Sensor Nodes
The PIC24F04KL101-E/P is engineered for low-duty-cycle wireless sensor nodes where the MCU spends 99% of its time asleep. Its nanoWatt XLP technology draws under 20 nA in deep-sleep with the RTCC running on the secondary 32 kHz oscillator, while a wake-up event triggers a 16 MIPS core that processes sensor data and transmits a packet before re-entering sleep. With 1.8V-3.6V VDD, the part can run directly from a single CR2032 coin cell or two AA batteries without a boost regulator. The integrated 10-bit ADC reads thermistor, photodiode, or battery-monitor signals, and the MSSP drives an SPI LoRa/BLE radio. Compared with a discrete low-power MCU + supervisor solution, the KL101 cuts BOM by 3-4 parts.
Được đề xuất
Disposable Medical Devices
Handheld and disposable medical products (glucose meters, peak-flow meters, single-use inhalers) need a low-cost MCU that still offers reliable analog measurement and battery longevity. The PIC24F04KL101-E/P provides a 10-bit ADC accurate enough for sensor readout, nanoWatt XLP for shelf-life extending sleep currents, and a 20-PDIP package that simplifies hand-assembly for short production runs. The industrial -40C to +125C operating range covers refrigerated pharmaceutical storage and warm-clinic use cases. The MSSP supports I2C OLED displays commonly used in patient-facing readouts. Drop-in compatibility with the larger PIC24F04KL200-E/P (1KB RAM) gives firmware engineers a path to add more sophisticated UI without a PCB change.
Được đề xuất
Cost-Sensitive Consumer Electronics
The PIC24F04KL101-E/P is the workhorse of cost-sensitive 16-bit consumer products: portable media players, electronic toys, remote controls, and personal-care appliances. Designers migrating from 8-bit PIC18 parts gain 16-bit arithmetic and 16 MIPS performance with a familiar MPLAB X toolchain and a peripheral set (MSSP, CCP, ADC) that mirrors the PIC18, shortening the learning curve. The 20-PDIP through-hole package keeps the assembly process compatible with hobbyist and small-batch hand-soldering, while the SOIC-20 and SSOP-20 siblings (PIC24F04KL101-E/SO, -E/SS) offer surface-mount options for high-volume reflow. At less than $1.20 per unit at 1,000-piece qty, the KL101 undercuts most Cortex-M0+ competitors on BOM cost.
Được đề xuất
Industrial Sensor Conditioning
Industrial 4-20 mA loop-powered transmitters, RTD/thermocouple signal conditioners, and remote I/O modules need an MCU that can operate across -40C to +125C and tolerate wide supply transients. The PIC24F04KL101-E/P's industrial temperature grade (-E suffix), 1.8V-3.6V VDD, and integrated 10-bit ADC make it a strong fit for these applications. The MSSP drives a 4-20 mA DAC or digital isolator, while the 16-bit timer captures pulse-counted flow-meter events with sub-microsecond resolution. The 20-PDIP package eases integration into legacy through-hole industrial PCBs that still dominate PLC and DCS designs, and AEC-Q100 grade is available in the -Q version for harsher automotive/industrial environments.
Được đề xuất
Educational & Prototyping Platforms
The 20-PDIP package of the PIC24F04KL101-E/P is breadboard-friendly, making it a favorite in undergraduate embedded-systems curricula and maker communities. Students get 16-bit performance and 16 MIPS throughput without leaving the familiar PIC ecosystem, while the ICSP interface allows on-the-fly flash reprogramming with a PICkit 3/4 or Snap programmer. The MPLAB X IDE, XC16 compiler, and MCC code configurator are free, and the 4KB Flash capacity supports lab projects such as I2C sensor logging, PWM motor control via CCP, and 10-bit ADC waveform capture. Educators value the 20-PDIP because damaged parts can be swapped by hand in seconds.
Được đề xuất
Safety & Security Peripherals
Smoke-detector bases, CO sensor modules, and door/window contact sensors benefit from the PIC24F04KL101-E/P's combination of XLP low-power and deterministic 16 MIPS wake-up response. The MSSP drives a SPI-connected LoRa or sub-GHz radio, the 10-bit ADC reads a photoelectric smoke chamber, and the CCP module drives a piezo alarm with precision frequency control. With 4KB Flash, the part can host simple encryption/authentication routines for security peripherals. The 20-PDIP package also enables field-replaceable modules in ceiling-mounted smoke detectors where SMT rework is impractical. Designers looking for a smaller SMD variant can use the -E/SO or -E/SS footprints on the same firmware.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24F04KL101-E/P — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC24F04KL100-E/P | PIC24F04KL200-E/P | PIC24F08KL101-E/P | PIC24F16KL101-E/P | PIC24FV16KA101-E/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-PDIP | 20-PDIP (same) | 20-PDIP (same) | 20-PDIP (same) | 20-PDIP (same) | 20-PDIP (same) |
| Core | PIC24F 16-bit, 16 MIPS | PIC24F 16-bit, 16 MIPS | PIC24F 16-bit, 16 MIPS | PIC24F 16-bit, 16 MIPS | PIC24F 16-bit, 16 MIPS | PIC24F 16-bit, 16 MIPS |
| Max CPU Speed | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| Flash | 4 KB | 4 KB | 4 KB | 8 KB | 16 KB | 16 KB |
| RAM | 512 B | 512 B | 1 KB | 1 KB | 1 KB | 1 KB |
| Operating Voltage | 1.8 V - 3.6 V | 1.8 V - 3.6 V | 1.8 V - 3.6 V | 1.8 V - 3.6 V | 1.8 V - 3.6 V | 1.8 V - 5.5 V |
| Temperature Grade | -40C to +125C (E suffix) | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| 10-bit ADC | Yes | No | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Largest Flash in the KL101 20-PDIP line (vsPIC24F04KL200-E/P)
- Industrial 125C operating range (vsPIC24F04KL101-I/P)
- Wider voltage range drop-in upgrade (vsPIC24FV16KA101-E/P)
Ghi chú thiết kế
Place a 0.1uF ceramic decoupling capacitor within 5 mm of each VDD pin (pins 14 and 20) and a single 10uF bulk capacitor on the main supply rail. The PIC24F04KL101-E/P draws spikes of tens of milliamps when the core wakes from deep-sleep; inadequate decoupling can cause VDD droop and spurious brown-out resets. For battery applications, add a 100k + 100nF RC filter on MCLR (pin 1) to suppress false resets during supply transients.
The PIC24F04KL101 is a 3.3V part with an absolute maximum of 3.6V on VDD. Do not power it from a 5V rail, even briefly, or via a resistive divider that can exceed 3.6V under no-load conditions. The ICSP pins (PGECx/PGEDx) are 5V-tolerant on some revisions but not all - check the datasheet revision before connecting a 5V PICkit directly. Use a level translator or a PICkit 4/Snap, both of which are 3.3V-safe by default.
Route the ICSP pair (PGEC1/PGED1 or PGEC2/PGED2) as a matched-length differential pair to the programming header, keeping them away from switching nodes such as the PWM outputs and the MSSP clock. Place a 4.7k pull-up on MCLR to VDD. If the design uses an external crystal on OSC1/OSC2, keep the crystal traces short and surround them with a ground pour to minimize EMI radiation that could disturb the ADC.
Thông tin tuân thủ
RoHS compliance per Microchip product page. Not AEC-Q100 qualified - the -Q automotive variant is the KL101-E/P equivalent for AEC-Q100. Lead-free terminations (JESD-609 e3 per Vyrian datasheet excerpt).
