PIC24FV08KM101-I/SS - 16-bit XLP MCU, 8KB Flash, 20-SSOP | Microchip
MPN： PIC24FV08KM101-I/SS ✓ 啟用中PIC24FV08KM101-I/SS 概覽
A 16-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals (ADC, timers, communication ports) into one package. 16-bit MCUs such as the PIC24F family sit between 8-bit microcontrollers and 32-bit ARM Cortex-M parts, offering higher computational throughput (16 MIPS at 32 MHz) than 8-bit parts while keeping cost, code complexity, and power consumption well below typical 32-bit alternatives. The 'F' in PIC24F denotes the Flash-based, low-power product line, and the 'FV' extension indicates the wide-voltage variant supporting 2.0V to 5.5V.
Key features include XLP™ nanoWatt technology with multiple low-power modes (Sleep, Idle, Doze), an integrated 12-bit A/D converter, configurable logic cells that let designers replace discrete glue logic with on-chip peripherals, and peripheral pin select for flexible signal routing. The device also includes a real-time clock calendar (RTCC) and a charge time measurement unit (CTMU) for capacitive touch and basic sensor interfaces.
Architecturally, the PIC24FV08KM101 uses a 16-bit modified Harvard core with separate instruction and data paths, a hardware stack, and 16 working registers, achieving 16 MIPS at 32 MHz. The 8KB Flash holds approximately 2.75K 24-bit instructions, and the 1KB data RAM supports C-language stacks and buffers. Wide-voltage operation is achieved through an on-chip voltage regulator that derives the internal 1.8V logic supply from the wide VIN range.
Typical applications include low-power sensor nodes, battery-powered portable instruments, home appliances, LED lighting control, capacitive touch user interfaces, and small industrial control modules where 8-bit performance is insufficient but cost and power must remain low.
When designing with this MCU, verify that the application fits within 8KB of Flash and 1KB of RAM, and choose the appropriate clock configuration (internal 8 MHz FRC or external crystal) to balance power consumption against timing accuracy. The SSOP-20 footprint is hand-solderable but uses a 0.65 mm pitch, so production boards typically reflow.
This page synthesizes distributor pricing from DigiKey, Mouser, Octopart and LCSC, lists 6 same-package drop-in alternatives (including 5 same-Microchip siblings from the PIC24F/FV KM family and one PIC24FJ cross-brand drop-in), and surfaces practical design notes that go beyond the manufacturer datasheet summary.
直接替換替代品，適用於 PIC24FV08KM101-I/SS — 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： PIC24FV08KM101-I/SS （相同外形與佔位） — 差異在於 ADC, Operating Temperature, Package, Communication, Program Memory (Flash).
PIC24FV08KM101T-I/SS
✅ 直接替換📋 參考替代品（不在目錄中）
PIC24FV08KM102-I/SS
✅ 直接替換聯絡詢價
查看資料表 →PIC24FV16KM101-I/SS
✅ 直接替換📋 參考替代品（不在目錄中）
PIC24F08KM101-I/SS
✅ 直接替換📋 參考替代品（不在目錄中）
PIC24FV08KM101-I/SO
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24FJ64GA102-I/SS
✅ 直接替換聯絡詢價
查看資料表 →PIC24FV08KM101-I/SS 最大額定值與電氣特性
| Core Architecture | PIC24F 16-bit modified Harvard |
| CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 8 KB (2.75K x 24 instructions) |
| Data SRAM | 1 KB |
| EEPROM | 512 x 8 bytes |
| Operating Voltage Range | 2.0 V to 5.5 V |
| Digital I/O Pins | 17 |
| ADC | 1 x 12-bit |
| Configurable Logic Cells (CLC) | Yes (per Microchip KM family description) |
| RTCC | Yes (Real-Time Clock Calendar) |
| CTMU | Yes (Charge Time Measurement Unit) |
| Communication | I2C, SPI, UART (per PIC24F KM family) |
| 封裝 | 20-pin SSOP (5.30 mm body, 0.65 mm pitch) |
| 工作溫度 | -40 C to +85 C (Industrial -I grade) |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| Low-Power Modes | Sleep, Idle, Doze (XLP nanoWatt technology) |
PIC24FV08KM101-I/SS 腳位配置
| 腳位 1 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| 腳位 2 | RA0 — Port A bit 0 / analog AN0 / RPn |
| 腳位 3 | RA1 — Port A bit 1 / analog AN1 / RPn |
| 腳位 4 | RB0 — Port B bit 0 / analog AN2 / RPn |
| 腳位 5 | RB1 — Port B bit 1 / analog AN3 / RPn |
| 腳位 6 | RB2 — Port B bit 2 / analog AN4 / RPn |
| 腳位 7 | RB3 — Port B bit 3 / analog AN5 / RPn |
| 腳位 8 | VSS — Ground reference |
| 腳位 9 | OSC1 — Crystal oscillator input or external clock |
| 腳位 10 | OSC2 — Crystal oscillator output |
| 腳位 11 | RA2 — Port A bit 2 / RPn |
| 腳位 12 | RA3 — Port A bit 3 / RPn |
| 腳位 13 | RC0 — Port C bit 0 / RPn |
| 腳位 14 | RC1 — Port C bit 1 / RPn |
| 腳位 15 | RC2 — Port C bit 2 / RPn |
| 腳位 16 | RC3 — Port C bit 3 / RPn |
| 腳位 17 | RA4 — Port A bit 4 / RPn |
| 腳位 18 | RA5 — Port A bit 5 / MCLR / RPn (function multiplexed) |
| 腳位 19 | VSS — Ground reference (secondary) |
| 腳位 20 | VDD — Positive supply voltage (secondary) |
典型應用
PIC24FV08KM101-I/SS 適用於 6 應用s: Battery-Powered Sensor Node, Capacitive Touch User Interface, Home Appliance Control Board, LED Lighting Controller, Portable Medical Monitoring Device, Small Industrial Control Module.
Battery-Powered Sensor Node
The PIC24FV08KM101-I/SS is engineered for low-power wireless sensor nodes where wide-voltage battery support and nanoWatt XLP modes are essential. Its 2.0V to 5.5V supply range lets a single design operate from a fresh 3V coin cell down to a depleted 2V alkaline stack without a boost converter. In Sleep mode the device draws microamp-level current, waking on interrupts from the ADC, CTMU, or RTCC for periodic measurements. The 12-bit ADC and integrated CTMU provide direct capacitive or resistive sensor interfaces without external analog front-end ICs, reducing BOM cost. With 8KB Flash and 1KB RAM, the part comfortably fits typical sensor-fusion plus LoRa/BLE stack-lite firmware.
推薦
Capacitive Touch User Interface
The PIC24FV08KM101-I/SS is well suited to capacitive touch keypads and sliders because it integrates a Charge Time Measurement Unit (CTMU) that measures capacitance with sub-pF resolution. Combined with Configurable Logic Cells (CLC), designers replace external gates and timers with on-chip logic, shrinking the PCB and BOM. The 17 I/O pins support up to 12 self-capacitance touch channels plus indicator LEDs and a UART bridge to a host MCU. XLP Sleep mode keeps idle current in the microamp range, critical for battery-powered remote controls. The 32 MHz CPU executes touch-decimation and debounce firmware with ample headroom within the 8KB Flash budget.
推薦
Home Appliance Control Board
The PIC24FV08KM101-I/SS fits small home appliances such as coffee machines, blenders, and smart plugs where the MCU must read sensors, drive TRIACs or relays, and display status on a small LED array. The 2.0V to 5.5V supply accommodates universal 5V/3.3V peripheral rails, and the integrated 12-bit ADC handles thermistor, voltage, and current sensing. Capture/Compare/PWM modules generate the timing for power-factor control and TRIAC firing. Industrial -40C to +85C temperature grade supports unheated enclosures. Wide availability from multiple distributors simplifies long-life appliance production runs that span many years.
推薦
LED Lighting Controller
The PIC24FV08KM101-I/SS serves as a low-cost controller for dimmable LED drivers and color-mixing fixtures. Its Capture/Compare/PWM peripherals generate the high-resolution PWM required for smooth 16-bit dimming without flicker, and the CLC blocks implement safety interlocks and zero-cross detection without external logic. Wide 2.0V to 5.5V supply lets the same firmware run on 3.3V or 5V LED driver boards. The RTCC schedules daylight-saving transitions and ambient-light ramp curves in connected luminaires. Industrial temperature grade plus XLP Sleep modes support always-on standby with under-100uA quiescent draw.
推薦
Portable Medical Monitoring Device
The PIC24FV08KM101-I/SS fits portable medical peripherals such as pulse oximeters, spirometers, and digital thermometers where low power, small package, and analog integration are paramount. The 12-bit ADC plus op-amp peripherals built into the PIC24F KM family enable direct photodiode or thermistor signal conditioning, while the CTMU simplifies flow-sensor capacitance measurement. Wide 2.0V to 5.5V operation supports both Li-ion and 2xAA chemistries through the same firmware. The -40C to +85C industrial temperature rating accommodates refrigerated storage and clinical environments. Designers transitioning to FDA-class designs should move to the AEC-Q100 qualified variants.
推薦
Small Industrial Control Module
The PIC24FV08KM101-I/SS is a strong fit for compact industrial modules such as sensor transmitters, valve controllers, and small motor drivers that need deterministic 16-bit performance without the cost of a 32-bit MCU. Its CCP modules interface to quadrature encoders and PWM-driven half-bridges, while the UART/I2C/SPI peripherals link to industrial transceivers like RS-485 or CAN bridges. Wide-voltage operation tolerates long cable drops in 24V industrial rails after regulation down to 5V or 3V. The CLC blocks implement safety logic such as watchdog and interlocks directly on the MCU, removing external PLDs.
推薦
推薦產品摘要
工程參考資料，適用於 PIC24FV08KM101-I/SS — 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 | PIC24FV08KM101T-I/SS | PIC24FV08KM102-I/SS | PIC24FV16KM101-I/SS | PIC24F08KM101-I/SS | PIC24FJ64GA102-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SSOP-20 | SSOP-20 (same) | SSOP-20 (same) | SSOP-20 (same) | SSOP-20 (same) | SSOP-20 (same footprint, verify pinout) |
| Flash Memory | 8 KB | 8 KB (identical) | 8 KB (identical) | 16 KB (double) | 8 KB (identical) | 64 KB (much higher) |
| RAM | 1 KB | 1 KB | 2 KB (double) | 1 KB | 1 KB | 8 KB |
| Operating Voltage | 2.0 V to 5.5 V (FV wide) | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 1.8 V to 3.6 V (narrower) | 2.0 V to 3.6 V |
| CPU Speed | 32 MHz (16 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| CLC / CTMU | Yes | Yes | Yes | Yes | Yes | Limited / different mapping |
| Price Tier (qty 1) | $2.62 | ~$2.62 (same die) | ~$2.80 | ~$3.10 | ~$2.40 | ~$3.50 |
| AEC-Q100 Qualified | No (industrial grade only) | No | No | No | No | No |
主要差異化特點
- Wide 2.0 V to 5.5 V operating voltage, supporting both 3.3 V and 5 V rails without a regulator swap (對比PIC24F08KM101-I/SS (F variant))
- Integrated Configurable Logic Cells (CLC) and CTMU on-chip, reducing external glue logic (對比PIC24FJ64GA002)
- Lowest-cost 16-bit MCU with nanoWatt XLP Sleep mode under typical 100 uA (對比PIC24FV16KM101-I/SS)
- Single-chip analog-rich MCU integrating ADC, op amps, and CTMU (對比Discrete MCU plus external analog front-end ICs)
設計說明
Estimated: when the PIC24FV08KM101-I/SS runs at 32 MHz from a 3.3 V supply and all 17 I/O pins are unloaded, the core draws approximately 12 mA. Add decoupling per the Microchip datasheet recommendation: a 0.1 uF ceramic capacitor on each VDD pin (pins 1 and 20) placed within 3 mm of the package, plus a bulk 10 uF tantalum or ceramic at the supply entry. For battery applications, prefer the internal 8 MHz FRC oscillator in Sleep mode to drop current below 100 uA and only switch to 32 MHz PLL for active periods.
Place the SSOP-20 footprint with the Microchip recommended land dimensions (0.45 mm pad length, 0.30 mm width) and use a 0.65 mm pitch. Route the OSC1/OSC2 pins (9 and 10) with short, symmetric traces and a guard ring tied to VSS to minimize EMI pickup. If using the ICSP programming pins (typically PGEDx/PGECx mapped via peripheral pin select), expose them on a 0.1 inch header or test pad for production programming. Keep analog and digital traces separated; the KM family has separate AVSS/AVDD on larger variants but shares rails on SSOP-20.
Estimated: a common mistake is configuring the MCLR pin (RA5) as a regular I/O without disabling the MCLR function via the Configuration bit FWDTEN or appropriate CONFIG register, causing the MCU to remain in Reset. Another pitfall is assuming the PIC24FV08KM101 (FV, wide voltage) and PIC24F08KM101 (F, narrow voltage) are interchangeable in 5V designs - the F variant VIN max is 3.6V and will fail in 5V systems. Always verify Configuration bits in code before mass production to lock oscillator and watchdog settings.
For SSOP-20 hand prototyping and rework, expose a 0.1 inch dual-header footprint under the SSOP pads so you can plug in a TQFP-to-DIP adapter board - this avoids damaging the fine-pitch SSOP during repeated programming cycles. Production boards should use ENIG finish to preserve solderability over the long lifecycle typical of Microchip 16-bit MCU designs.
合規資訊
Lead-free /SS package suffix confirms RoHS compliance. Industrial temperature grade (-40 C to +85 C) per the -I suffix. Not AEC-Q100 qualified - Q-grade variants are available separately for automotive.
