PIC24F08KA101-I/P - 16-bit XLP MCU, 8KB Flash, 32MHz | Microchip
MPN: PIC24F08KA101-I/P ✓ Hoạt độngPIC24F08KA101-I/P Tóm tắt
A microcontroller (MCU) is a single-chip processor that integrates a CPU core, volatile memory (SRAM), non-volatile program memory (Flash/ROM), peripherals (timers, ADC, communication), and interrupt logic. The PIC24F family sits in Microchip's 16-bit modified-Harvard RISC line, which is hierarchically a mid-range 16-bit MCU -> Flash MCU -> embedded controller -> semiconductor. The 'XLP' designation indicates the silicon is optimized for nanoWatt sleep current, allowing years of operation from a single coin cell.
Key specifications include 16-channel 10-bit ADC with 500 ksps throughput, four 16-bit timers, two comparators, real-time clock/calendar, five PWM channels, two UART, one SPI, one I2C, and an internal 8 MHz RC oscillator with PLL. The device supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD), enabling field-upgradeable firmware and reduced development time. According to the Microchip datasheet, deep-sleep current is approximately 20 nA with full RAM retention, making it competitive with the lowest-power Cortex-M0+ parts.
Typical applications include wearable health monitors, remote sensor nodes, electronic shelf labels, smart thermostats, wireless sensor tag controllers, and battery-backed instrumentation. The 20-pin PDIP footprint supports through-hole prototyping, breadboarding, and legacy industrial designs where socketed or hand-replaceable parts are preferred over SMT-only parts.
When designing, allocate a 0.1uF decoupling capacitor within 5 mm of the VDD pin and a 10uF bulk capacitor on the VCORE pin to stabilize the internal 1.8V regulator. The -I/P suffix indicates industrial temperature range (-40C to +85C) in a PDIP package; choose -E/P for extended (-40C to +125C) or the -I/SO SOIC variant for SMT.
This page consolidates Microchip datasheet specifications, distributor pricing as of 2026-09-29, drop-in alternative guidance, and design notes not found on the manufacturer product page - useful context for sourcing engineers and firmware developers who need a complete picture of the part's role in low-power embedded designs.
Bộ thay thế dễ dàng lắp đặt cho PIC24F08KA101-I/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 PIC24F08KA101-I/P (cùng hình factor và footprint) — khác nhau ở Package, ADC, Operating Temperature, Timers, I/O Pins.
PIC24F08KA101-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F04KA201-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F04KA200-I/ST
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KA102-I/P
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F08KA101-I/P Tỷ lệ tối đa & tính chất điện
| Family | PIC24F (16-bit RISC, modified Harvard) |
| Core Architecture | PIC24F eXtreme Low Power (XLP) |
| Program Memory (Flash) | 8 KB (2.75K x 24 instruction words) |
| Data SRAM | 1 KB |
| Data EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Internal Core Voltage | 1.8 V (on-chip regulator) |
| I/O Pins | 16 |
| ADC | 10-bit, up to 16 channels, 500 ksps |
| Timers | 4 x 16-bit Timer/Counter |
| Communication Interfaces | 2x UART, 1x SPI, 1x I2C |
| PWM Channels | 5 |
| Comparators | 2 |
| Hộp | 20-pin PDIP (P, 0.300 inch / 7.62 mm row spacing) |
| Temperature Range | -40C to +85C (Industrial) |
| Deep Sleep Current | ~20 nA (typ, with RTCC and RAM retention) |
| Programming/Debug | ICSP and ICD via MPLAB X / REAL ICE / ICD 3 |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24F08KA101-I/P
| Chân 1 | MCLR — Master Clear (reset) input, active low; pull-up to VDD required |
| Chân 2 | RA0 — Digital I/O / analog AN0 / CVREF- |
| Chân 3 | RA1 — Digital I/O / analog AN1 / CVREF+ |
| Chân 4 | RA2 — Digital I/O / analog AN2 / VREF- |
| Chân 5 | RA3 — Digital I/O / analog AN3 / VREF+ |
| Chân 6 | RA4 — Digital I/O / analog AN4 / SOSCO (RTCC secondary) |
| Chân 7 | RA5 — Digital I/O / analog AN5 / SOSCI (RTCC secondary) |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1 — Crystal oscillator input / external clock input |
| Chân 10 | OSC2 — Crystal oscillator output |
| Chân 11 | RB0 — Digital I/O / PGED1 (programming data) / AN6 |
| Chân 12 | RB1 — Digital I/O / PGEC1 (programming clock) / AN7 |
| Chân 13 | RB2 — Digital I/O / AN8 / PWM OC1 |
| Chân 14 | RB3 — Digital I/O / AN9 / PWM OC2 |
| Chân 15 | RB4 — Digital I/O / AN10 / SDA1 (I2C data) |
| Chân 16 | RB5 — Digital I/O / AN11 / SCL1 (I2C clock) |
| Chân 17 | RB6 — Digital I/O / AN12 / PWM OC3 |
| Chân 18 | VCORE — Internal 1.8V regulator output, requires 10uF decoupling |
| Chân 19 | VSS — Ground reference (second pin) |
| Chân 20 | VDD — Positive supply input, 3.0V to 3.6V |
Ứng dụng tiêu biểu
PIC24F08KA101-I/P phù hợp cho 6 Áp dụngs: Battery-Powered Wireless Sensor Node, Wearable Health Monitor, Electronic Shelf Label (ESL) Controller, Industrial Data Logger, Smart Home Sensor Hub, Remote Control / Human-Machine Interface.
Battery-Powered Wireless Sensor Node
The PIC24F08KA101-I/P is well suited to wireless sensor nodes because its XLP deep-sleep current of ~20 nA allows years of operation from a CR2032 coin cell when waking periodically to transmit. Its 32 MHz / 16 MIPS core handles sensor sample processing, link-layer encryption, and RF transceiver control without external components. The 10-bit ADC with up to 16 channels supports multiple analog sensors (temperature, light, soil moisture) on a single MCU, and the 5 PWM channels can drive indicator LEDs or haptic feedback. Designers can use the integrated RTCC with alarm wake to schedule periodic measurements and the 8 KB Flash to hold a lightweight 6LoWPAN or LoRaWAN-style stack.
Được đề xuất
Wearable Health Monitor
Wearable health and fitness monitors benefit from the PIC24F08KA101-I/P's combination of low power consumption, compact 20-pin PDIP footprint, and analog integration. The 16-channel 10-bit ADC samples photoplethysmography (PPG) sensor signals, skin temperature, and galvanic skin response, while the integrated comparators detect thresholds without waking the CPU. The 1 KB SRAM holds circular sample buffers, and 512B EEPROM stores calibration constants. The 5 PWM channels drive vibration motor alerts and LED pulse oximetry. XLP sleep modes allow 1-2 week battery life at 24-hour continuous monitoring with BLE beaconing every 5 seconds.
Được đề xuất
Electronic Shelf Label (ESL) Controller
Electronic shelf labels in retail require an MCU that can run for 5-10 years on a coin cell while periodically updating a segmented or e-paper display. The PIC24F08KA101-I/P's 20 nA deep-sleep current and integrated RTCC enable exactly this duty cycle: deep-sleep most of the time, wake hourly to refresh the display and check for wireless commands. The 8 KB Flash holds a custom display driver and small RF protocol stack, while 1 KB SRAM suffices for frame buffers. The 20-pin PDIP is often replaced by the -I/SO variant on ESL PCBs, but the -I/P remains popular for hand-soldered development and prototype runs.
Được đề xuất
Industrial Data Logger
Industrial data loggers benefit from the PIC24F08KA101-I/P's industrial -40C to +85C temperature range, 512B EEPROM for non-volatile parameter storage, and 8 KB Flash for cyclic logging firmware. The 16-channel ADC captures process variables (pressure, flow, temperature) at up to 500 ksps, while the 5 PWM outputs can drive valve actuators or indicator LEDs. Two UART ports allow simultaneous connection to a local HMI display and a fieldbus gateway (RS-485 via external transceiver). The 20-pin PDIP package supports through-hole assembly for legacy industrial enclosures and vibration-resistant installations where SMT would be unreliable.
Được đề xuất
Smart Home Sensor Hub
Smart home sensor hubs leverage the PIC24F08KA101-I/P's rich peripheral set to aggregate inputs from multiple sensors and forward them to a Wi-Fi or Zigbee gateway. The 16-channel ADC reads analog sensors (gas, light, sound), the I2C bus interfaces with digital environmental sensors (temperature, humidity, VOC), and the SPI bus drives an optional color display. The 8 KB Flash holds a multi-protocol agent that bridges BLE/Zigbee/Thread radios. The integrated RTCC handles time-stamping of events even during power interruptions when paired with a backup supercap. Power consumption in idle listening mode is < 1 mA, suitable for always-on USB-powered hubs.
Được đề xuất
Remote Control / Human-Machine Interface
Remote controls, key fobs, and small HMI panels fit the PIC24F08KA101-I/P profile: 16 I/O pins scan matrix keypads up to 4x4, two comparators detect capacitive touch via RC timing, and the 5 PWM channels drive haptic motors or backlight LEDs. The XLP sleep modes allow multi-year battery life for always-listening key fobs that wake on capacitive touch. The UART supports firmware updates over a debug header without requiring physical access. Designers choose the 20-pin PDIP for through-hole hobby and maker projects where the part is socketed for easy firmware experimentation.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24F08KA101-I/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 | PIC24F08KA101-E/P | PIC24F04KA201-I/P | PIC24F04KA200-I/ST | PIC24F08KA102-I/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin PDIP | 20-pin PDIP (same) | 20-pin PDIP (same) | 20-pin PDIP option (same) | 20-pin PDIP (same) |
| Program Flash | 8 KB | 8 KB (same) | 4 KB (-50%) | 4 KB (-50%) | 8 KB (same) |
| SRAM | 1 KB | 1 KB (same) | 1 KB (same) | 1 KB (same) | 1 KB (same) |
| EEPROM | 512 B | 512 B (same) | 512 B (same) | 512 B (same) | 512 B (same) |
| Maximum 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) |
| Temperature Range | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (same) | -40C to +85C (same) | -40C to +85C (same) |
| Deep-Sleep Current | ~20 nA | ~20 nA (same) | ~20 nA (same) | ~20 nA (same) | ~20 nA (same) |
| ADC | 10-bit, 16 channels | 10-bit, 16 channels (same) | 10-bit, 9 channels | 10-bit, 9 channels | 10-bit, 16 channels (same) |
Bảo phân biệt quan trọng
- Wider industrial temperature envelope (vsPIC24F04KA201-I/P)
- Higher ADC channel count than KA2x family (vsPIC24F04KA201-I/P)
- Same core, more memory (vsPIC24F08KA101-E/P)
Ghi chú thiết kế
Place a 10 uF ceramic capacitor as close as possible to the VCORE pin (pin 18) to stabilize the internal 1.8V regulator; Xilinx/Microchip both recommend a 0.1 uF decoupling cap within 5 mm of VDD (pin 20). Estimated: at VDD=3.3V, the MCU draws ~5 mA active / ~20 nA in deep-sleep - budget bulk capacitance to ride out supply glitches during RF transmission bursts of paired radios.
For ICSP/ICD debugging, route PGED1 (RB0, pin 11) and PGEC1 (RB1, pin 12) to a 2x3 0.100 inch header with no series resistors or buffering. Keep traces short (< 50 mm) and avoid sharing these pins with high-current drivers; the on-chip debug logic asserts these signals during programming and contention will fail verification.
Do not leave MCLR floating - it requires a 10 kohm pull-up to VDD or the device will randomly reset. The -I/P variant is NOT 5V tolerant on I/O pins; driving any input above VDD+0.3V can latch-up the part. For mixed 3.3V/5V designs, use a level shifter (e.g., TXB0108) rather than direct connection.
Estimated: at 32 MHz active and 3.3V VDD, the PIC24F08KA101-I/P dissipates roughly 25 mW (8 mA core current), giving a junction rise of ~5C above ambient at the standard JEDEC EIA/JESD51 4-layer test board. The plastic PDIP package can operate continuously at -40C to +85C industrial range with conservative derating; the -E/P variant extends this to +125C for under-hood automotive applications.
When using the I2C peripheral (SDA1=RB4, SCL1=RB5), enable internal weak pull-ups only for low-speed (< 100 kHz) buses; for 400 kHz Fast Mode and 1 MHz Fast Mode Plus, use external 2.2 kohm to 4.7 kohm pull-ups to VDD. The 16 MHz SPI bus on the same MCU should use series resistors (22-33 ohm) near the driver for cable runs > 50 mm.
Thông tin tuân thủ
RoHS and REACH compliance per Microchip product material declaration; Pb-free (lead-free) and halogen-free per Microchip Green/RoHS packaging spec. AEC-Q100 not applicable for industrial-grade PDIP; choose PIC24F08KA101-E/P (extended temperature) or specific Q-graded variants for automotive.
