PIC24F08KL302-E/SP - 16-bit 8KB Flash MCU 32MHz SPDIP-28 | Microchip
料号： PIC24F08KL302-E/SP ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.36 | $2.36 |
| 10 | $2.2 | $22.00 |
| 100 | $2.05 | $205.00 |
| 500 | $1.85 | $925.00 |
| 1,000 | $1.65 | $1,650.00 |
PIC24F08KL302-E/SP 概述
What is a 16-bit microcontroller? A 16-bit microcontroller is an embedded computing device whose central processing unit manipulates data in 16-bit wide chunks, sitting between 8-bit MCUs (lower performance, lower cost) and 32-bit MCUs (higher performance, more complex). Within the taxonomy of programmable logic devices, 16-bit MCUs occupy the cost-sensitive mid-tier for applications that need more computational headroom than 8-bit can offer but do not justify 32-bit ARM Cortex-M complexity. The PIC24F KL family specifically targets cost-sensitive 16-bit designs with peripheral compatibility with PIC18 for easy migration.
Key differentiating features of the PIC24F08KL302-E/SP include 8KB self-programmable Flash (2.75K x 24 words), 1KB SRAM, 256 bytes EEPROM, integrated 10-bit ADC with up to 12 channels, dual analog comparators, 5 CCP/PWM modules, MSSP supporting both I2C and SPI, and nanoWatt XLP technology for sub-microamp sleep currents. The E/SP suffix indicates the Extended (-40C to +125C) operating temperature grade in SPDIP-28 package.
The PIC24F08KL302 architecture uses a modified Harvard RISC CPU with a 16-bit wide data path and 24-bit wide instruction word, executing most instructions in a single oscillator cycle. This allows the device to deliver 16 MIPS performance at 32 MHz while maintaining low dynamic power. The device also features brown-out detect/reset (BOR), high/low-voltage detect (HLVD), power-on reset (POR), and a watchdog timer (WDT) for robust embedded operation.
Typical applications include low-power IoT sensor nodes, battery-powered remote controls, consumer appliances, cost-sensitive industrial controls, and educational/hobbyist 16-bit designs. The 28-SPDIP through-hole package simplifies breadboarding and hand-soldered repair, making it especially popular with students and prototype developers.
When designing with this device, consider the 3V supply requirement: the K in the part number designates the 1.8V-3.6V VDD range, so interface with 5V logic requires level shifters. The 8KB Flash supports roughly 2,500 lines of C code via the MPLAB XC16 compiler, adequate for typical embedded state machines and protocol stacks.
This page synthesizes distributor pricing, drop-in SPDIP-28 alternatives, and practical design notes not typically found in the manufacturer datasheet alone, helping procurement and engineering teams make faster, more informed decisions.
直接替换替代料： PIC24F08KL302-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： PIC24F08KL302-E/SP （相同外形与封装尺寸） ——差异在于 Package, ADC, Core, I/O Pins, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC24F08KL302-I/SP
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24F08KL301-E/SS
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.84 / 个
查看数据手册 →PIC24F08KL301-E/P
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.55 / 个
查看数据手册 →PIC24F08KL201-E/P
✅ 直接替换✓ 有现货
$1.27 / 个
查看数据手册 →PIC24F08KL200-E/P
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.42 / 个
查看数据手册 →PIC24F08KL302-E/SP 最大额定值与电气特性
| Core | PIC24F (16-bit RISC, modified Harvard) |
| Family | PIC24F KL3 series |
| Program Memory (Flash) | 8 KB (2.75K x 24 words) |
| Data RAM | 1 KB |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| 工作温度 | -40 C to +125 C (Extended grade) |
| I/O Pins | 24 |
| 封装 | 28-pin SPDIP (Skinny Plastic DIP) |
| 安装类型 | Through-Hole |
| ADC | 10-bit, up to 12 channels |
| Analog Comparators | 2 |
| PWM / CCP Modules | 5 (CCP/ECCP) |
| Serial Peripherals | MSSP (I2C/SPI), UART |
| Timers | 16-bit and 32-bit Timer/Counter |
| Low-Power Technology | nanoWatt XLP |
| Reset / Supervision | POR, BOR, HLVD, WDT |
| RoHS 状态 | Compliant |
PIC24F08KL302-E/SP 引脚配置
| 引脚 1 | MCLR — Master Clear (reset) input, active low |
| 引脚 2 | RA0 — Port A bit 0 / analog input AN0 |
| 引脚 3 | RA1 — Port A bit 1 / analog input AN1 |
| 引脚 4 | RB0 — Port B bit 0 / analog input AN2 |
| 引脚 5 | RB1 — Port B bit 1 / analog input AN3 |
| 引脚 6 | RB2 — Port B bit 2 / analog input AN4 |
| 引脚 7 | RB3 — Port B bit 3 / analog input AN5 |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | RA2 — Port A bit 2 / analog input AN6 / CVREF |
| 引脚 10 | RA3 — Port A bit 3 / analog input AN7 / VREF+ |
| 引脚 11 | RB4 — Port B bit 4 / analog input AN8 |
| 引脚 12 | RB5 — Port B bit 5 / analog input AN9 |
| 引脚 13 | OSC1 — Oscillator input / CLKI |
| 引脚 14 | OSC2 — Oscillator output / CLKO |
| 引脚 15 | RA4 — Port A bit 4 / analog input AN10 / T1G |
| 引脚 16 | RA5 — Port A bit 5 / analog input AN11 |
| 引脚 17 | RA6 — Port A bit 6 / OSCO |
| 引脚 18 | RA7 — Port A bit 7 / OSCI / SOSCI |
| 引脚 19 | VSS — Ground reference |
| 引脚 20 | VDD — Positive supply voltage (1.8V-3.6V) |
| 引脚 21 | RB6 — Port B bit 6 / analog input AN6 |
| 引脚 22 | RB7 — Port B bit 7 / analog input AN7 |
| 引脚 23 | RC0 — Port C bit 0 |
| 引脚 24 | RC1 — Port C bit 1 |
| 引脚 25 | RC2 — Port C bit 2 |
| 引脚 26 | RC3 — Port C bit 3 / SCL1 |
| 引脚 27 | RC4 — Port C bit 4 / SDA1 |
| 引脚 28 | RC5 — Port C bit 5 |
典型应用
PIC24F08KL302-E/SP 适用于 6 应用s: Battery-Powered IoT Sensor Node, Consumer Remote Control / HMI, Cost-Sensitive Industrial Control Module, Educational 16-bit MCU Learning Platform, Battery Charger / Power Management Controller, Low-Cost Motor Drive Module.
Battery-Powered IoT Sensor Node
The PIC24F08KL302-E/SP fits battery-powered IoT sensor nodes because its nanoWatt XLP technology delivers sub-microamp sleep currents and the 1.8V-3.6V VDD range allows direct operation from a single CR2032 coin cell or 2x AA alkaline batteries. The 24 GPIO pins comfortably multiplex multiple sensor interfaces (temperature, humidity, motion) via the 10-bit 12-channel ADC, while 8KB Flash is sufficient for sensor-fusion state machines and basic BLE/Zigbee stacks. Placed on a daughter board with a 32.768 kHz crystal on SOSCO/SOSCI for RTCC timing, the device achieves months-to-years of battery life through deep sleep between wake-up events. Performance is adequate at 16 MIPS for on-device edge processing before radio transmission.
推荐
Consumer Remote Control / HMI
For consumer remote control and HMI designs, the PIC24F08KL302-E/SP offers the right blend of 16 MIPS performance, 5 CCP/ECCP PWM channels for IR LED modulation, and 24 GPIO for keypad matrix scanning. The 1.8V-3.6V supply aligns with 2x AAA battery stacks commonly used in TV remotes, and nanoWatt XLP keeps idle current below 1 uA between button presses. The MSSP peripheral drives I2C OLED displays or SPI LED drivers while the 10-bit ADC reads battery voltage for the low-battery indicator. Compared to 8-bit alternatives, the 16-bit core handles debouncing, IR protocol encoding (RC5/RC6/SIRC), and LED breathing patterns simultaneously without jitter. The 28-SPDIP package simplifies hand-assembly of low-volume SKUs.
推荐
Cost-Sensitive Industrial Control Module
The PIC24F08KL302-E/SP suits cost-sensitive industrial control modules where its Extended -40C to +125C temperature grade survives factory-floor environments without requiring expensive industrial-grade add-ons. The 24 GPIO pins interface to relay drivers, optocouplers, and discrete sensors via the built-in comparators for threshold detection and HLVD for supply monitoring. The 5 CCP/ECCP PWM modules drive triac phase-control circuits for heater regulation or motor speed control, while the 10-bit ADC digitizes sensor inputs at 200 ksps. The 28-SPDIP through-hole package simplifies field replacement and repair of legacy industrial panels. Consider pairing with the MCP2515 CAN controller if you need industrial networking beyond the UART.
推荐
Educational 16-bit MCU Learning Platform
The PIC24F08KL302-E/SP is widely used as a 16-bit MCU teaching platform because the 28-SPDIP package drops into standard breadboards, IC sockets, and educational development boards, eliminating the need for soldering or microscope work. MPLAB X IDE with the free XC16 compiler supports a full C development workflow, and the 8KB Flash / 1KB RAM constraint teaches students efficient coding habits. The MSSP peripheral introduces both I2C and SPI protocols, the 5 CCP modules cover PWM/timer fundamentals, and the 10-bit ADC demonstrates real-world signal acquisition. Universities favor this part for embedded systems courses because it bridges the gap between PIC18 8-bit teaching kits and ARM Cortex-M 32-bit advanced classes.
推荐
Battery Charger / Power Management Controller
The PIC24F08KL302-E/SP operates as a smart battery charger controller by using the 10-bit ADC to monitor charge current, battery voltage, and cell temperature, then driving PWM outputs for buck/boost converter regulation. The 1.8V-3.6V VDD range lets the MCU run directly from a single Li-ion cell without boost conversion, while nanoWatt XLP keeps quiescent current minimal during idle storage. The MSSP I2C interface reads fuel-gauge ICs and EEPROM logs, and 256 bytes of onboard EEPROM stores charge-cycle counters for warranty tracking. Designers appreciate the 16 MIPS throughput for running coulomb-counting algorithms in real time, and the 28-SPDIP package simplifies the prototyping of custom charging profiles before committing to QFN production.
推荐
Low-Cost Motor Drive Module
The PIC24F08KL302-E/SP drives small DC motors, steppers, and BLDC fans in low-cost motor control modules by leveraging its 5 CCP/ECCP PWM channels for variable-speed drive signals and 24 GPIO for direction, brake, and tachometer feedback. The 16 MIPS throughput handles sensorless back-EMF commutation algorithms in software for BLDC, or generates precise step/direction pulses for stepper drivers. The dual analog comparators detect overcurrent events for hardware protection, while the 10-bit ADC samples motor current and back-EMF. The 1.8V-3.6V VDD range works with 2x AA or 1S Li-ion packs, and the 28-SPDIP package fits inside compact hobby motor housings. Consider pairing with an external DRV8871 or L293D driver IC for higher-current loads.
推荐
推荐产品汇总
工程参考数据： PIC24F08KL302-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 | PIC24F08KL302-I/SP | PIC24F08KL301-E/P | PIC24F08KL201-E/P | PIC24F08KL301-E/SS | PIC24F08KL200-E/P |
|---|---|---|---|---|---|---|
| Package | 28-SPDIP | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SSOP - different | 28-SPDIP - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Operating Voltage | 1.8V - 3.6V | 1.8V - 3.6V | 1.8V - 3.6V | 2.0V - 5.5V (5V-tolerant) | 1.8V - 3.6V | 1.8V - 3.6V |
| Maximum 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) |
| I/O Pins | 24 | 24 | 17 (20-pin SSOP variant) | 24 | 17 | 24 |
| Temperature Grade | Extended (-40C to +125C) | Industrial (-40C to +85C) | Extended (-40C to +125C) | Extended (-40C to +125C) | Extended (-40C to +125C) | Extended (-40C to +125C) |
关键差异点
- Extended -40C to +125C temperature grade in through-hole 28-SPDIP （对比 PIC24F08KL302-I/SP)
- 8KB Flash with self-programmability and 256B EEPROM （对比 PIC24F08KL200-E/P)
- nanoWatt XLP technology with sub-microamp sleep current （对比 PIC24F08KL201-E/P)
设计说明
The PIC24F08KL302-E/SP operates from 1.8V to 3.6V VDD; do not connect directly to 5V rails or you will damage the MCU. Use a 3.3V LDO such as the MCP1700 for stable supply from USB or 5V adapters. Place a 100 nF decoupling capacitor within 5 mm of the VDD pin, and add a 10 uF bulk capacitor near the supply source for transient response. Use the internal BOR (Brown-Out Reset) at the 1.8V threshold to protect Flash integrity during battery end-of-life.
When laying out the PCB, group the analog inputs (AN0-AN11) on one side of the package and digital I/O on the other side to minimize capacitive coupling between noisy digital traces and sensitive ADC inputs. Keep the ADC reference (VREF+/VREF-) traces short and guarded by a ground ring to reduce ADC noise. If using an external crystal on OSC1/OSC2, place the crystal within 10 mm of the pins and surround the traces with a ground pour to prevent EMI pickup.
Common pitfalls when starting with the PIC24F08KL302-E/SP include: forgetting the MCLR pull-up resistor (10 kohm to VDD), leaving the PGD/PGC programming pins unconnected (they need pull-ups during debug), configuring the ADC without adequate acquisition time causing noisy readings, and selecting the wrong oscillator configuration bits (CONFIG1) so the device boots at the wrong speed. Use MPLAB X IDE's Configuration Bits window to set the FOSC, WDTE, and BOREN fields carefully, and always verify the clock setting on startup with a scope.
For I2C bus reliability, install 4.7 kohm pull-up resistors on SCL1 and SDA1 (RC3/RC4); these pins are open-drain and will not pull the bus high on their own. For SPI runs longer than 50 mm, reduce the clock frequency to below 4 MHz to avoid ringing, or add a 100 ohm series resistor at the master SDO pin. The MSSP peripheral supports both 100 kHz Standard-mode and 400 kHz Fast-mode I2C, but Fast-mode requires careful pull-up sizing to meet the 300 ns rise time spec.
合规信息
RoHS and REACH compliant per Microchip product page. Halogen-free per JEDEC JS709B. Not AEC-Q100 qualified - automotive applications should consider PIC24F parts with explicit AEC-Q100 designation.
