PIC24F08KA102-E/SP - 16-bit XLP MCU, 8KB Flash | Microchip
料号： PIC24F08KA102-E/SP ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.92 | $3.92 |
| 10 | $3.53 | $35.30 |
| 100 | $3.14 | $314.00 |
| 500 | $2.85 | $1,425.00 |
| 1,000 | $2.55 | $2,550.00 |
PIC24F08KA102-E/SP 概述
A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (typically Flash), data RAM, and a rich set of on-chip peripherals such as timers, ADC, communication interfaces, and general-purpose I/O on a single die. In the embedded hierarchy, microcontrollers sit alongside microprocessors inside the broader category of microcontrollers and embedded processors, which themselves are part of the larger semiconductor / integrated circuit (IC) family. Within Microchip's portfolio, the PIC24F family occupies the 16-bit segment between the 8-bit PIC16/PIC18 architectures and the 32-bit PIC32MX/PIC32MM families, offering a balance of deterministic performance, low power, and peripheral integration.
Key features of the PIC24F08KA102-E/SP include nanoWatt XLP deep-sleep modes with DSBOR (deep-sleep brown-out reset) and DSWDT (deep-sleep watchdog timer) that drop quiescent current into the sub-microamp range, a Real-Time Clock and Calendar (RTCC) that can operate during deep sleep, an internal oscillator that eliminates external clock components, and a wide operating voltage range suitable for 2-cell AA or single-cell Li-ion battery chemistries. The 28-pin SPDIP footprint offers generous I/O count for human-interface or sensor-conditioning designs.
Typical applications include wearable fitness/health monitors, remote control key fobs, battery-powered sensor nodes, smart thermostats, low-power IoT endpoints, and industrial data loggers. Engineers should note that the PIC24F08KA102-E/SP operates over the -40C to +125C industrial temperature range (the "E" temperature designator), making it suitable for harsh-environment deployments.
This page synthesizes distributor pricing, same-family pin-compatible variants, and practical design notes that go beyond the manufacturer datasheet summary.
直接替换替代料： PIC24F08KA102-E/SP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24F08KA102-E/SP （相同外形与封装尺寸） ——差异在于 ADC, Package, I/O Pins, Core Architecture, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC24F08KA102-I/SP
✅ 直接替换✓ 有现货
$1.82 / 个
查看数据手册 →PIC24F08KA101-I/P
✅ 直接替换✓ 有现货
$2.45 / 个
查看数据手册 →PIC24F08KA101-E/P
✅ 直接替换✓ 有现货
$1.74 / 个
查看数据手册 →PIC24F04KA201-I/P
✅ 直接替换📋 参考替代料（不在目录中）
PIC24F04KA200-I/P
✅ 直接替换📋 参考替代料（不在目录中）
PIC24F08KA102-E/SP 最大额定值与电气特性
| Core Architecture | PIC24F 16-bit |
| Program Memory (Flash) | 8 KB (2.75K x 24 words) |
| Data RAM | 1.5 KB |
| EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| I/O Pins | 18 |
| ADC | 9-channel, 10-bit |
| Communication Interfaces | I2C, SPI, UART/USART, IrDA |
| 封装 | 28-SPDIP (0.300 inch, 7.62 mm) |
| 安装类型 | Through-Hole |
| Oscillator | Internal |
| 工作温度 | -40C to +125C (E grade) |
| Low-Power Technology | nanoWatt XLP |
| Deep-Sleep Features | DSBOR, DSWDT, RTCC retention |
| RoHS 状态 | Compliant |
PIC24F08KA102-E/SP 引脚配置
| 引脚 1 | MCLR — Master Clear (reset) input, active-low |
| 引脚 2 | RA0 — Digital I/O / analog input AN0 |
| 引脚 3 | RA1 — Digital I/O / analog input AN1 |
| 引脚 4 | RB0 — Digital I/O / PGED1 (programming data) |
| 引脚 5 | RB1 — Digital I/O / PGEC1 (programming clock) |
| 引脚 6 | RB2 — Digital I/O / analog input AN4 |
| 引脚 7 | RB3 — Digital I/O / analog input AN5 |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | OSC1 — Oscillator input / CLKIN |
| 引脚 10 | OSC2 — Oscillator output |
| 引脚 11 | RB4 — Digital I/O / SDA1 (I2C data) |
| 引脚 12 | RB5 — Digital I/O / SCL1 (I2C clock) |
| 引脚 13 | RB6 — Digital I/O / ICSPCLK |
| 引脚 14 | RB7 — Digital I/O / ICSPDAT |
| 引脚 15 | RA2 — Digital I/O / analog input AN2 |
| 引脚 16 | RA3 — Digital I/O / analog input AN3 / VREF+ |
| 引脚 17 | RA4 — Digital I/O / analog input AN6 / VREF- |
| 引脚 18 | AVSS — Analog ground |
| 引脚 19 | AVDD — Analog supply voltage |
| 引脚 20 | VDD — Digital supply voltage |
| 引脚 21 | RC0 — Digital I/O |
| 引脚 22 | RC1 — Digital I/O |
| 引脚 23 | RC2 — Digital I/O |
| 引脚 24 | RC3 — Digital I/O |
| 引脚 25 | RC4 — Digital I/O |
| 引脚 26 | RC5 — Digital I/O |
| 引脚 27 | RC6 — Digital I/O / UART1 TX |
| 引脚 28 | RC7 — Digital I/O / UART1 RX |
典型应用
PIC24F08KA102-E/SP 适用于 6 应用s: Wearable Fitness & Health Monitors, Battery-Powered Remote Sensor Nodes, Remote Control Key Fobs & RF Tags, Smart Thermostats & HVAC Controllers, Low-Power IoT Data Acquisition Edge Nodes, Industrial Data Loggers.
Wearable Fitness & Health Monitors
The PIC24F08KA102-E/SP's nanoWatt XLP deep-sleep modes (DSBOR, DSWDT) drop quiescent current to sub-microamp levels while the RTCC keeps accurate timekeeping, enabling multi-month battery life on a coin cell. Its 32 MHz performance and 1.5 KB RAM handle heart-rate sampling, step counting, and BLE companion-control algorithms. The 28-SPDIP package is breadboard-friendly for prototype wearable PCBs.
推荐
Battery-Powered Remote Sensor Nodes
Industrial sensor hubs require wireless-friendly sleep currents, reliable wake-up, and deterministic ADC sampling. The PIC24F08KA102-E/SP delivers 9-channel 10-bit ADC for analog sensor arrays (temperature, humidity, gas) and SPI/I2C for digital sensors, all while consuming microamps in deep sleep. The -40C to +125C E temperature grade supports outdoor and factory-floor deployment without thermal derating.
推荐
Remote Control Key Fobs & RF Tags
RF key fobs spend 99% of their life in deep sleep and only wake on a button interrupt to transmit. The PIC24F08KA102-E/SP's DSBOR/DSWDT retention and sub-microamp deep sleep directly enable multi-year battery life on a CR2032. The integrated UART/SPI interfaces easily drive sub-GHz transceivers such as the Microchip MRF89XA for proprietary 868/915 MHz remote-control protocols.
推荐
Smart Thermostats & HVAC Controllers
Wall-mounted smart thermostats combine temperature/humidity sensing, LCD/button interfaces, and low-power wireless connectivity. The PIC24F08KA102-E/SP's 9-channel 10-bit ADC handles multiple analog sensors (NTC thermistor, humidity, light) while the 18 I/O drive keypads, relays, and triac interfaces. The RTCC supports time-based scheduling with deep-sleep retention, minimizing idle power.
推荐
Low-Power IoT Data Acquisition Edge Nodes
Edge IoT nodes aggregate sensor data, perform local filtering, and transmit via Wi-Fi/BLE/LoRa. The PIC24F08KA102-E/SP's 16 MIPS at 32 MHz handles basic DSP (moving-average, peak detection) before TX, and its deep-sleep modes allow scheduled-sampling at sub-Hz rates. The SPI interface connects directly to wireless modules; the I2C bus drives EEPROM datalogging for offline buffering.
推荐
Industrial Data Loggers
Stand-alone data loggers record process variables (vibration, pressure, current) over weeks or months without maintenance. The PIC24F08KA102-E/SP's 8 KB Flash stores firmware, 1.5 KB RAM buffers samples, and 512 B EEPROM retains calibration tables through battery swaps. The -40C to +125C E grade handles unheated enclosures, and the internal oscillator eliminates crystal-replacement failures.
推荐
推荐产品汇总
工程参考数据： PIC24F08KA102-E/SP ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC24F08KA102-I/SP | PIC24F08KA101-I/P | PIC24F04KA201-I/P |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP | 28-SPDIP (same) | 28-PDIP (same footprint) | 28-PDIP (same footprint) |
| Flash Memory | 8 KB | 8 KB (same) | 16 KB (+100%) | 4 KB (-50%) |
| RAM | 1.5 KB | 1.5 KB (same) | 1.5 KB (same) | 1 KB (-33%) |
| EEPROM | 512 B | 512 B (same) | 512 B (same) | 512 B (same) |
| Maximum Frequency | 32 MHz | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| I/O Pins | 18 | 18 (same) | 18 (same) | 18 (same) |
| Low-Power Technology | nanoWatt XLP | nanoWatt XLP (same) | nanoWatt XLP (same) | nanoWatt XLP (same) |
关键差异点
- Higher Flash memory headroom over 4 KB predecessors （对比 PIC24F04KA201-I/P)
- Extended -40C to +125C operating range for harsh-environment deployment （对比 PIC24F08KA102-I/SP)
- nanoWatt XLP deep-sleep features (DSBOR, DSWDT) absent on legacy PIC24F （对比 Older PIC24FJxxx non-XLP families)
设计说明
Estimated: total power budget for a coin-cell design. With the PIC24F08KA102-E/SP in deep sleep at 20 nA (DSBOR+DSWDT active) versus 8 mA/MIPS active, a 220 mAh CR2032 coin cell lasts ~10 years if the MCU sleeps 99.9% of the time and wakes for 10 ms per second. Always consult the datasheet's nanoWatt XLP section for the actual current under your specific deep-sleep configuration.
Place a 100 nF decoupling capacitor as close as possible to VDD (pin 20) and a separate 100 nF on AVDD (pin 19). For analog sensor accuracy, add a 10 uF bulk capacitor on VDD and route AVSS as a Kelvin connection to VSS to avoid ground-bounce noise coupling into the ADC. Keep analog traces (AN0-AN6) away from switching nodes such as oscillator traces.
When migrating from PIC24F08KA102-E/SP to a lower-memory variant such as PIC24F04KA201-I/P, verify that your compiled code fits in 4 KB Flash - the linker will silently overflow otherwise. Also, on first prototypes confirm the MCLR pull-up resistor value (typically 10 kOhm to VDD) - a missing MCLR pull-up causes erratic resets when the ICSP programmer is disconnected. The internal oscillator typically provides +/-2% accuracy; use RTCC calibration or an external crystal if UART accuracy matters.
合规信息
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; choose PIC24FxxKA-Q1 variants for automotive. Pb-free (lead-free) and halogen-free per Microchip environmental compliance disclosures.
