PIC24F08KA102-E/SO - 16-bit XLP MCU, 8KB Flash, 28-SOIC | Microchip
MPN： PIC24F08KA102-E/SO ✓ 啟用中PIC24F08KA102-E/SO 概覽
An MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, peripherals and I/O. The PIC24F family sits in Microchip's 16-bit dsPIC/PIC24 portfolio, between the 8-bit PIC18 family and the 32-bit PIC32MX/PIC32MM families, and is positioned for low-power embedded applications where 8-bit performance is insufficient but 32-bit cost is not justified. XLP variants add ultra-low-power sleep modes aimed at energy-harvesting and battery-powered IoT endpoints.
Key differentiating specifications include nanoWatt XLP technology with deep-sleep currents in the nanoampere range, on-chip 32 kHz low-power oscillator for RTC operation, a 10-bit 9-channel ADC, multiple serial interfaces (UART, SPI, I2C), and CTMU/IOC peripherals for capacitive touch and edge-triggered wake-up. The wide operating voltage range from 1.8 V to 3.6 V supports 2-cell alkaline, single-cell Li-Ion and coin-cell battery topologies directly without external regulation.
The PIC24F architecture uses a 16-bit modified Harvard CPU with a hardware multiply/divide, 24-bit instruction word and 16-bit data path. Code runs from internal Flash through a prefetch buffer, allowing single-cycle Flash access and a 32 MHz execution rate from a 16 MIPS core clock. The combination of small Flash/RAM footprints and a strong peripheral set makes the family suited for tightly-constrained sensing nodes.
Typical applications include battery-powered sensor nodes, wearable health monitors, remote controls, low-power wireless sensor platforms, energy harvesting devices, capacitive touch user interfaces and industrial data loggers. The extended temperature grade also allows deployment in outdoor metering and automotive cabin electronics.
When designing with the -E/SO variant, evaluate the active versus sleep current budget early - XLP gains are only realized if the firmware stays in deep sleep for the majority of the duty cycle. Place a 0.1 uF decoupling capacitor on every VDD/VSS pair and keep the analog reference traces short if the ADC is used.
This page synthesizes distributor stock status, parametric drop-in alternatives and practical design notes that are not aggregated in the manufacturer datasheet alone.
直接替換替代品，適用於 PIC24F08KA102-E/SO — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC24F08KA102-E/SO （相同外形與佔位） — 差異在於 Package, ADC, Core Architecture, I/O Pins, Operating Temperature.
PIC24F08KA101-I/P
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24F08KA101-E/P
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24F04KA201-I/SO
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24F04KA200T-I/ST
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24F04KL101-I/SO
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24F08KA102-E/SO 最大額定值與電氣特性
| Series | PIC® XLP™ 24F |
| Core | 16-bit dsPIC30/PIC24 modified Harvard |
| Core Size | 16-Bit |
| Program Memory Type | FLASH |
| Program Memory Size | 8 KB (2.75K x 24 words) |
| RAM Size | 1.5 KB (1.5K x 8) |
| EEPROM Size | 512 bytes |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Number of I/O Pins | 18 |
| ADC | 9-channel, 10-bit |
| Oscillator Type | Internal (with external and 32 kHz LP support) |
| 工作溫度範圍 | -40 C to +125 C (Extended, -E grade) |
| 封裝 / 外殼 | 28-SOIC (SO) |
| 安裝類型 | Surface Mount |
| Packaging | Tube |
| RoHS 狀態 | Compliant |
| Connectivity | UART, SPI, I2C |
PIC24F08KA102-E/SO 腳位配置
| 腳位 1 | MCLR — Master clear (reset) input; active low |
| 腳位 2 | RA0 — I/O / analog input |
| 腳位 3 | RA1 — I/O / analog input |
| 腳位 4 | RB0 — I/O / programming |
| 腳位 5 | RB1 — I/O |
| 腳位 6 | RB2 — I/O |
| 腳位 7 | RB3 — I/O |
| 腳位 8 | VSS — Ground reference |
| 腳位 9 | OSC1 — Crystal oscillator input |
| 腳位 10 | OSC2 — Crystal oscillator output |
| 腳位 11 | RB4 — I/O |
| 腳位 12 | RB5 — I/O |
| 腳位 13 | VDD — Positive supply |
| 腳位 14 | RB6 — I/O / ICSPCLK |
| 腳位 15 | RB7 — I/O / ICSPDAT |
| 腳位 16 | RA2 — I/O / analog input |
| 腳位 17 | RA3 — I/O / analog input |
| 腳位 18 | RA4 — I/O / analog input |
| 腳位 19 | VSS — Ground reference |
| 腳位 20 | RA5 — I/O / analog input |
| 腳位 21 | RB8 — I/O |
| 腳位 22 | RB9 — I/O |
| 腳位 23 | RB10 — I/O |
| 腳位 24 | RB11 — I/O |
| 腳位 25 | RB12 — I/O |
| 腳位 26 | RB13 — I/O |
| 腳位 27 | RB14 — I/O |
| 腳位 28 | VDD — Positive supply |
典型應用
PIC24F08KA102-E/SO 適用於 6 應用s: Battery-Powered Sensor Node, Wearable Health Monitor, Capacitive Touch User Interface, Industrial Data Logger, Remote Control / HMI Front-End, Energy-Harvesting Endpoint.
Battery-Powered Sensor Node
The PIC24F08KA102-E/SO's nanoWatt XLP technology with deep-sleep BOR, deep-sleep WDT and RTCC operation delivers nanoampere-level sleep currents, making it ideal for wireless sensor nodes that wake briefly to sample and transmit before re-entering deep sleep. With 8 KB Flash and 1.5 KB RAM the device accommodates sensor drivers, MAC-stack fragments and a small application protocol stack. The 1.8-3.6 V supply range supports direct connection to 2x alkaline or single-cell Li-Ion batteries without external regulation, removing a buck-boost stage from the BOM and shrinking the PCB footprint.
推薦
Wearable Health Monitor
Wearable devices demand long battery life in a small surface-mount form factor. The PIC24F08KA102-E/SO combines 16 MIPS performance for sensor fusion with deep-sleep currents that allow weeks of standby on a small coin cell. The 9-channel 10-bit ADC handles multiple biosensor inputs (pulse oximetry, body temperature, motion via external accelerometer), while the integrated RTCC keeps wall-clock time across sleep cycles. The 28-SOIC package is large for the tightest wrist-form-factor designs but is well suited to chest-strap and patch wearables.
推薦
Capacitive Touch User Interface
The PIC24F08KA102 family integrates the Charge Time Measurement Unit (CTMU) and Interrupt-on-Change (IOC) peripherals that enable robust capacitive touch sensing without external touch ICs. Up to 9 ADC channels provide a generous touch-pad capacity, while the 16-bit MIPS core handles debouncing, gesture detection and backlight control. Pairing the MCU with Microchip's mTouch reference firmware shortens development. Low power consumption makes the device suitable for battery-powered touch remotes and appliance control panels.
推薦
Industrial Data Logger
The 32 MHz 16-bit core, 512-byte EEPROM and 1.5 KB RAM make the PIC24F08KA102-E/SO well suited to compact industrial data loggers that periodically sample and store sensor readings. The wide 1.8-3.6 V supply range supports 3.3 V industrial sensor rails, and the -40 C to +125 C extended temperature grade tolerates outdoor and cabinet-mounted environments. The on-chip RTCC provides time-stamped events without an external RTC chip, reducing BOM cost and PCB area for sealed environmental loggers.
推薦
Remote Control / HMI Front-End
Consumer remote controls and small HMI front-ends benefit from the PIC24F08KA102's combination of UART, SPI and I2C interfaces, IOC wake-up on user input, and XLP deep sleep that keeps quiescent current in the nanoampere range. The 18 GPIO easily accommodates an IR LED driver, key matrix scan, status LED PWM and a serial link to a host. Industrial temperature grade adds reliability in cabinet-mounted and outdoor applications such as garage-door keypads and motorized blinds.
推薦
Energy-Harvesting Endpoint
Energy-harvesting IoT endpoints must spend the overwhelming majority of time in deep sleep and wake only on harvested energy or rare events. The PIC24F08KA102's deep-sleep currents in the nanoampere range and on-chip RTCC make it an ideal MCU for solar, thermal or vibration harvesters that pulse a sensor reading into non-volatile memory. The 28-SOIC industrial package and 1.8-3.6 V input range allow direct attachment to low-voltage energy-harvester outputs without regulation, and the 16 MIPS core handles occasional over-the-air firmware updates.
推薦
推薦產品摘要
工程參考資料，適用於 PIC24F08KA102-E/SO — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC24F08KA101-I/P | PIC24F08KA101-E/P | PIC24F04KA201-I/SO | PIC24F04KL101-I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (SO) | 28-PDIP (P) - through-hole | 28-PDIP (P) - through-hole | 28-SOIC (SO) - same | 28-SOIC (SO) - same |
| Program Memory | 8 KB Flash | 8 KB Flash | 8 KB Flash | 4 KB Flash (-50%) | 4 KB Flash (-50%) |
| RAM | 1.5 KB | 1.5 KB | 1.5 KB | 512 B (-66%) | 1 KB (-33%) |
| Maximum CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Supply Voltage | 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 Grade | Extended -40C to +125C (E) | Industrial -40C to +85C (I) | Extended -40C to +125C (E) | Industrial -40C to +85C (I) | Industrial -40C to +85C (I) |
| Low-Power Technology | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP |
主要差異化特點
- Extended temperature grade in SOIC-28 packaging (對比PIC24F08KA101-I/P)
- Higher Flash and RAM for richer firmware (對比PIC24F04KA201-I/SO)
- Same 28-SOIC footprint for direct PCB drop-in (對比PIC24F08KA101-I/P)
設計說明
XLP gains are only realized if the firmware spends the majority of the duty cycle in deep sleep. Use the Sleep instruction immediately after configuring peripherals, enable deep-sleep BOR and WDT only when needed, and gate clocks to unused peripherals via the PMDx registers. Reference Microchip application note AN1267 'nanoWatt XLP Technology' for typical current consumption numbers at 1.8 V and 3.3 V.
Place a 0.1 uF ceramic decoupling capacitor within 5 mm of every VDD/VSS pair; pins 13/28 share VDD and pins 8/19 share VSS on the 28-SOIC package. A single 10 uF bulk capacitor at the board supply input stabilizes load steps during radio transmission. Keep analog reference traces (AVDD if exposed) and the ADC input traces short to minimize pickup.
Do not assume the internal 8 MHz oscillator is accurate enough for UART or USB timing - configure the OSCTUN register and use the PLL only if the application needs precise baud rates. The MCLR pin must be pulled high through a resistor for normal operation; a floating MCLR causes erratic reset behavior. When migrating from PIC24F08KA102 to PIC24F04KA201-I/SO, re-check the linker script and verify that reduced Flash/RAM does not exceed the application's stack and constant footprint.
合規資訊
RoHS-compliant, lead-free, halogen-free per manufacturer product page. Not AEC-Q100 qualified - this is a commercial/industrial-grade MCU, not an automotive-qualified part.
