PIC24F08KL302T-I/SS - 16-bit 8KB Flash MCU, 32MHz XLP | Microchip
MPN: PIC24F08KL302T-I/SS ✓ Hoạt độngPIC24F08KL302T-I/SS Tóm tắt
A PIC24F microcontroller is a 16-bit RISC MCU built on Microchip's enhanced Harvard architecture; the KL3 sub-family targets cost-sensitive applications by migrating familiar PIC18 peripherals (MSSP I2C/SPI, CCP/ECCP, 10-bit ADC) into the 16-bit core, allowing engineers to leverage existing PIC18 firmware libraries while gaining higher throughput and a wider instruction set. It sits within the broader hierarchy: microcontroller -> embedded MCU -> semiconductor.
Key features include 256 bytes of EEPROM data memory, 3x 16-bit timers, 2x analog comparators with selectable reference, 1x UART, 1x I2C, 1x SPI, and ultra-low-power sleep modes (deep sleep current typically below 100 nA). The nanoWatt XLP technology delivers active current around 8 uA/MHz, enabling years of battery life in always-on edge devices.
Architecture-wise, the device uses a modified Harvard bus with separate program and data paths, hardware multiply, and a deterministic interrupt controller. The 32MHz internal oscillator eliminates the need for an external crystal in many cost-optimized designs, while a 4x PLL is selectable for higher instruction throughput.
Typical applications include low-cost IoT sensor nodes, battery-powered consumer devices, white goods and small home appliances, HVAC accessories, metering peripherals, and PIC18 migration designs. Designers choose this part when 8-bit PIC18 performance is insufficient but full PIC24EP cost is not required.
A key design tip is to use the 32MHz internal Fast RC oscillator with the PLL to save BOM cost, and to leverage the deep-sleep watchdog and RTCC for sub-microamp sleep profiles. Carefully review the configuration bits in the IDE to enable the correct oscillator mode before code generation.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC24F08KL302T-I/SS — 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 PIC24F08KL302T-I/SS (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, ADC, I/O Pins, Timers.
PIC24F08KL302-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KL302T-E/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F08KL301-E/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KA102T-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KA102-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KL201T-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KL200T-I/ST
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KL302T-I/SS Tỷ lệ tối đa & tính chất điện
| Architecture | PIC24F 16-bit RISC (enhanced Harvard) |
| Core | PIC24F |
| Series | PIC24F08KL302 / KL3 family |
| Program Memory (Flash) | 8 KB (2.75K x 24 words) |
| Data SRAM | 1 KB |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial, 'I') |
| ADC | 10-bit, up to 12 channels |
| Comparators | 2x analog comparators |
| Timers | 3x 16-bit timer/counters |
| Communication | 1x UART, 1x I2C/MSSP, 1x SPI |
| Capture/Compare/PWM | CCP + ECCP |
| I/O Pins | Up to 25 GPIO |
| Low-Power Tech | nanoWatt XLP (deep sleep < 100 nA typ.) |
| Hộp | 28-pin SSOP (5.30 mm width) |
| Kiểu lắp đặt | Surface Mount |
| Packaging Format | Tape & Reel (suffix 'T') |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24F08KL302T-I/SS
| Chân 1 | SDA/RB9 — I2C data / PORTB bit 9 / analog input |
| Chân 2 | RA4 — PORTA bit 4 / analog input |
| Chân 3 | RA5/MCLR — PORTA bit 5 / Master Clear (reset) |
| Chân 4 | RA6/OSC2 — PORTA bit 6 / oscillator output |
| Chân 5 | RA7/OSC1 — PORTA bit 7 / oscillator input |
| Chân 6 | VDD — Positive supply |
| Chân 7 | VSS — Ground |
| Chân 8 | RB0 — PORTB bit 0 / analog input |
| Chân 9 | RB1 — PORTB bit 1 / analog input |
| Chân 10 | RB2 — PORTB bit 2 / analog input |
| Chân 11 | RB3 — PORTB bit 3 / analog input |
| Chân 12 | RB4 — PORTB bit 4 / analog input |
| Chân 13 | RB5 — PORTB bit 5 / analog input |
| Chân 14 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Chân 15 | RB7/PGD — PORTB bit 7 / ICSP data |
| Chân 16 | SCL/RB8 — I2C clock / PORTB bit 8 |
| Chân 17 | RA0 — PORTA bit 0 / analog input |
| Chân 18 | RA1 — PORTA bit 1 / analog input |
| Chân 19 | RA2 — PORTA bit 2 / analog input |
| Chân 20 | RA3 — PORTA bit 3 / analog input |
| Chân 21 | VDD — Positive supply (second) |
| Chân 22 | VSS — Ground (second) |
| Chân 23 | RB10 — PORTB bit 10 |
| Chân 24 | RB11 — PORTB bit 11 |
| Chân 25 | RB12 — PORTB bit 12 |
| Chân 26 | RB13 — PORTB bit 13 |
| Chân 27 | RB14 — PORTB bit 14 |
| Chân 28 | RB15 — PORTB bit 15 |
Ứng dụng tiêu biểu
PIC24F08KL302T-I/SS phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, White Goods / Home Appliance Control, HVAC Accessory Thermostat, Consumer Wearable Health Monitor, PIC18 Migration Path - Cost-Sensitive 16-bit Upgrade, Industrial Metering & Telemetry Peripheral.
Battery-Powered IoT Sensor Node
The PIC24F08KL302T-I/SS fits IoT sensor nodes through nanoWatt XLP technology delivering typical active current around 8 uA/MHz and deep-sleep current below 100 nA. Its 8KB Flash holds duty-cycled firmware for temperature, humidity, or motion sensors with periodic UART/I2C wakeups. The 32MHz internal Fast RC oscillator with 4x PLL eliminates an external crystal, reducing BOM cost and standby current. Unlike higher-end Cortex-M0+ parts, the KL302 integrates PIC18 peripherals (MSSP, CCP) for straightforward migration from legacy 8-bit firmware, and the 10-bit ADC with up to 12 channels handles multiple analog sensors without an external MUX.
Được đề xuất
White Goods / Home Appliance Control
The PIC24F08KL302T-I/SS is well-suited to white goods controls (coffee machines, blenders, dishwashers, washing-machine front panels) because the ECCP module produces the precise PWM signals needed to drive triac optocouplers, MOSFET gate drivers, and brushed-DC loads. The 10-bit ADC reads thermistors for over-temperature protection, while the 1.8-3.6V supply range operates from a regulated 3.3V rail or directly from rectified 5V. The industrial -40C to +85C rating matches appliance under-cabinet environments, and the 28-SSOP footprint leaves room for a compact user-interface PCB alongside an LED or LCD panel.
Được đề xuất
HVAC Accessory Thermostat
The PIC24F08KL302T-I/SS works well in HVAC accessories including room thermostats and damper actuators where the 10-bit ADC scans thermistor bridges, the UART handles RS-485 Modbus communication to a central controller, and the ECCP module drives proportional valve solenoids. Its nanoWatt XLP sleep modes enable battery-backed operation across power outages, while the 1.8-3.6V supply range tolerates brownout events on rectified 24VAC rails. The 28-SSOP footprint supports compact wall-mount enclosures, and the industrial temperature grade sustains operation in attic and basement installations.
Được đề xuất
Consumer Wearable Health Monitor
The PIC24F08KL302T-I/SS targets low-cost consumer wearables such as heart-rate straps, fitness bands, and pulse-oximeter accessories where deep-sleep current below 100 nA extends CR2032 coin-cell life into multi-month timeframes. The 32MHz CPU cycles through I2C sensor reads in <1 ms, then returns to sleep until a timer or interrupt wakes it. The 1.8-3.6V supply matches single-cell Li-ion chemistries directly, the 28-SSOP footprint supports thin PCB layouts, and the built-in 10-bit ADC provides backup for simple analog sensor channels in cost-sensitive variants.
Được đề xuất
PIC18 Migration Path - Cost-Sensitive 16-bit Upgrade
The PIC24F08KL302T-I/SS is the natural upgrade target for engineers moving a mature PIC18 design to a 16-bit core without losing existing peripheral drivers. The MSSP module behaves like PIC18 I2C/SPI and the ECCP matches PIC18 CCP modes, so ported firmware typically runs with minimal register-level changes. The 32MHz CPU doubles throughput versus comparable PIC18F devices while keeping the 28-SSOP footprint familiar to layout designers. The 1.8-3.6V supply range matches PIC18LF low-voltage rails, so battery-powered PIC18F designs migrate with no power-system redesign.
Được đề xuất
Industrial Metering & Telemetry Peripheral
The PIC24F08KL302T-I/SS fits metering peripherals for water, gas, and electricity sub-metering applications where the 10-bit ADC samples current-shunt or pulse-output sensors while the UART forwards data to a parent concentrator. Its 256-byte EEPROM supports 100k+ erase cycles, ideal for non-volatile log retention of tamper events and usage counters. Deep-sleep current below 100 nA combined with RTCC wakeups enables 10+ year battery life on lithium-thionyl chloride cells. The 1.8-3.6V supply range survives brownout events typical of unattended metering installations, and the industrial temperature grade covers outdoor enclosures.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24F08KL302T-I/SS — 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 | PIC24F08KL302-I/SS | PIC24F08KL302T-E/SS | PIC24F08KL301-E/SS | PIC24F08KA102T-I/SS | PIC24F08KL201T-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Program Flash Memory | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB (-50%) |
| Maximum CPU Frequency | 32 MHz (8 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Temperature Range | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +85 C |
| Low-Power Family | nanoWatt XLP (KL3) | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt (older generation) | nanoWatt XLP |
| ADC Resolution | 10-bit, up to 12 channels | 10-bit, 12 ch | 10-bit, 12 ch | 10-bit, 12 ch | 10-bit, 12 ch | 10-bit, 12 ch |
Bảo phân biệt quan trọng
- PIC18-compatible peripherals in a 16-bit core (vsPIC24F08KA102T-I/SS)
- Industry-leading deep-sleep current under 100 nA (vsPIC24F08KL201T-I/SS)
- 32MHz CPU with on-chip 4x PLL eliminates external crystal (vsPIC24F08KL302T-E/SS (extended grade))
Ghi chú thiết kế
The PIC24F08KL302T-I/SS draws <100 nA in deep sleep and roughly 8 uA/MHz active. Use deep sleep aggressively between sensor reads: wake on RTCC, capture an ADC sample, transmit on UART, and return to sleep. If the design uses an external 32.768 kHz crystal for RTCC, budget 0.5-1 uA continuous draw; otherwise use the internal LFINTOSC at 31 kHz to eliminate that cost. Decouple VDD with a 100 nF ceramic within 5 mm of the pin pair; the second VDD/VSS pair must also be decoupled for clean ADC readings.
Always verify the CONFIG words in MPLAB X before generating code: the default configuration enables the internal Fast RC oscillator with the PLL but may disable the MSSP I2C pins you intend to use. The RA5/MCLR pin is multiplexed with PORTA; if you need PORTA bit 5 you must disable the MCLR function in CONFIG3. Failing to configure the ADC channel select bits properly is a common source of 'stuck-at-zero' analog readings - always assert the AD1CHS register before starting a conversion.
Estimated: at 32MHz CPU and 3.3V supply, active current around 8 uA/MHz produces roughly 8 mA total active current and 26 mW of dissipation in the SSOP-28 package. The thermal resistance theta_JA is approximately 90 C/W, yielding a 2.3 C junction temperature rise above ambient - well within industrial limits. No heatsink is required under normal conditions; however, if you run in extended temperature variants near +125 C, derate ambient by 3-5 C to maintain the 100% duty-cycle rating.
Thông tin tuân thủ
Microchip KL3 family parts ship in Pb-free SSOP packaging. Industrial (-I) temperature grade; no AEC-Q100 automotive qualification - migrate to PIC24F KLx AEC-Q100 variants for automotive use.
