PIC24F16KA101T-I/SO - 16KB Flash XLP 16-bit MCU | Microchip
MPN: PIC24F16KA101T-I/SO ✓ Hoạt độngPIC24F16KA101T-I/SO Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. The PIC24F family belongs to the modified Harvard 16-bit RISC architecture from Microchip, sitting in the hierarchy between 8-bit PIC16/PIC18 MCUs and the 32-bit PIC32MX/dsPIC lines. The PIC® XLP™ (eXtreme Low Power) technology platform adds deep-sleep operating modes, Deep Sleep Brown-Out Reset (DSBOR), Deep Sleep Watchdog Timer (DSWDT), and a Real-Time Clock Calendar (RTCC) running from a 32kHz crystal — the cornerstone of nanoWatt-class power budgets. Within the broader taxonomy, the PIC24F16KA101 sits in the category "16-bit microcontroller -> MCU -> embedded computing -> semiconductor IC".
Key differentiating specifications include 16 MIPS CPU throughput at 32MHz, four 16-bit timers, a 10-bit 500 ksps ADC with up to 9 input channels, and four digital communication peripherals selectable from I²C, SPI, IrDA and UART/USART. Hardware touch sensing (mTouch™) is supported on capable pins. The part carries 16 GPIO pins, three programmable priority interrupt vectors, and on-chip debugging via two programming pins plus the standard ICSP interface.
Architecturally, the PIC24F16KA101 uses a 16-bit modified Harvard core with separate program and data buses, a 24-bit instruction word that compresses code density, and a wide peripheral set clocked from the system oscillator or an auxiliary 32kHz source. This combination lets a single 32MHz system oscillator drive the CPU while a separate low-power 32kHz crystal keeps the RTCC and DSWDT active during deep sleep, achieving quiescent currents in the nanoampere range.
Typical applications include portable medical and fitness sensors, low-power wireless sensor nodes, battery-powered industrial data loggers, smart remote controls, and IoT edge nodes where standby current is mission-critical. Designers should note that the XLP deep-sleep modes require careful configuration of DSBOR and RTCC alarm routing; failing to enable the auxiliary 32kHz crystal prevents the device from reaching its lowest sleep currents documented in the datasheet electrical characteristics table.
This page synthesizes distributor stock, cross-reference data, and design notes not found in the manufacturer datasheet — enabling faster PIC24F16KA101T-I/SO sourcing and qualification decisions.
Bộ thay thế dễ dàng lắp đặt cho PIC24F16KA101T-I/SO — 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 PIC24F16KA101T-I/SO (cùng hình factor và footprint) — khác nhau ở Package, ADC, Core Architecture, Operating Temperature, Timers.
PIC24F16KA101-I/SO
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Xem tài liệu →PIC24F08KA101-I/SO
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Xem tài liệu →PIC24F08KA101T-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F16KA101-I/MQ
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Xem tài liệu →PIC24F16KA101T-I/SO Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24F 16-bit RISC modified Harvard |
| Program Memory (Flash) | 16 KB (5.5K x 24) |
| Data RAM | 2 KB |
| Data EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage Range | 1.8 V to 3.6 V |
| I/O Pins | 16 |
| ADC | 10-bit, 500 ksps, up to 9 channels |
| Timers | 4 x 16-bit |
| Communication Peripherals | I2C, SPI, IrDA, UART/USART (selectable 4 peripherals) |
| Hộp | 20-pin SOIC (0.295" / 7.50mm width) |
| Kiểu lắp đặt | Surface Mount |
| Khoảng nhiệt độ hoạt động | -40C to +85C (Industrial, "I") |
| Low-Power Technology | nanoWatt XLP with Deep Sleep (DSBOR / DSWDT / RTCC) |
| Programming / Debug | ICSP (In-Circuit Serial Programming), 2-wire programming |
| Touch Sensing | mTouch hardware support |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24F16KA101T-I/SO
| Chân 1 | MCLR — Master Clear (reset, active low) |
| Chân 2 | RA0/AN0 — GPIO RA0 / Analog input 0 / CVref |
| Chân 3 | RA1/AN1 — GPIO RA1 / Analog input 1 |
| Chân 4 | RB0/AN2 — GPIO RB0 / Analog input 2 |
| Chân 5 | RB1/AN3 — GPIO RB1 / Analog input 3 |
| Chân 6 | RB2/AN4 — GPIO RB2 / Analog input 4 |
| Chân 7 | RB3/AN5 — GPIO RB3 / Analog input 5 |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1/CLKI — Crystal oscillator input / external clock |
| Chân 10 | OSC2/CLKO — Crystal oscillator output / system clock out |
| Chân 11 | PGED1/SDA1 — ICSP data / I2C SDA1 |
| Chân 12 | PGEC1/SCL1 — ICSP clock / I2C SCL1 |
| Chân 13 | VDD — Positive supply voltage |
| Chân 14 | VSS — Ground reference (second pin) |
| Chân 15 | RA2 — GPIO RA2 |
| Chân 16 | RA3 — GPIO RA3 |
| Chân 17 | RB4/SDA2 — GPIO RB4 / I2C SDA2 |
| Chân 18 | RB5/SCL2 — GPIO RB5 / I2C SCL2 |
| Chân 19 | RA4 — GPIO RA4 |
| Chân 20 | RA5 — GPIO RA5 |
Ứng dụng tiêu biểu
PIC24F16KA101T-I/SO phù hợp cho 6 Áp dụngs: Battery-Powered Wireless Sensor Node, Portable Medical / Fitness Wearable, Industrial Data Logger / Sensor Hub, Smart Remote Control / Home Automation HMI, IoT Edge Sensor Node (NanoWatt XLP), Low-Power Automotive Accessory Node (Non-Safety).
Battery-Powered Wireless Sensor Node
The PIC24F16KA101T-I/SO fits battery-powered wireless sensor nodes because its XLP nanoWatt deep-sleep current falls below 1 uA with RTCC running from a 32 kHz crystal, extending coin-cell life by months versus 8-bit MCUs. The 32MHz / 16 MIPS throughput at 3.3V lets the part execute a sensor-aggregation + radio-driver loop in under 4 ms, after which DSBOR + DSWDT shut down the core while the RTCC wakes the system every 30 s for a duty-cycled wake-up. With 16 KB Flash this comfortably fits an I2C sensor driver, a UART radio interface (e.g., to an RN2483 LoRa module), and a power-rail gating scheme. Designers should enable the auxiliary 32 kHz crystal to reach the nanoamp standby current quoted in the datasheet electrical characteristics; otherwise the part defaults to its internal LF-oscillator and consumes ~10x more quiescent current.
Được đề xuất
Portable Medical / Fitness Wearable
Wearable fitness and portable medical devices benefit from the PIC24F16KA101T-I/SO's combination of 16-bit DSP-grade math (for accelerometer / heart-rate signal processing), XLP deep-sleep for overnight battery retention, and 1.8-3.6V operation that runs directly from a single-cell Li-poly. The 10-bit ADC with 500 ksps is adequate for pulse-oximetry and ECG envelope detection, and the four 16-bit timers support precise sensor-sampling windows without burning CPU cycles. Hardware mTouch sensing on capable pins allows capacitive buttons without extra ICs. In a typical fitness band the MCU stays in sleep 95% of the time, waking on RTCC alarm or motion-interrupt to take 1 ms of sensor data and re-enter sleep — yielding months of battery life on a 100 mAh cell.
Được đề xuất
Industrial Data Logger / Sensor Hub
In industrial sensor hubs the PIC24F16KA101T-I/SO serves as a low-cost Modbus-RTU or UART-based concentrator that aggregates 4-8 analog inputs and forwards them upstream. Its 9-channel 10-bit ADC plus digital comparators handle 4-20 mA / 0-10V sensor conditioning when paired with external op-amps; 16 MIPS at 32MHz easily polls each channel at 100 Hz without FIFO overruns. The wide 1.8-3.6V supply lets it ride transient dips on 24V industrial rails (via LDO), and the industrial -40C to +85C rating supports outdoor / cabinet-less enclosures. Internal 512B EEPROM is convenient for storing node-ID, calibration constants, and run-hour counters — features that would otherwise require an external I2C EEPROM on this series.
Được đề xuất
Smart Remote Control / Home Automation HMI
Smart remote controls and home-automation HMI panels use the PIC24F16KA101T-I/SO because its XLP sleep currents (sub-1 uA) allow multi-year battery life on AAA cells in standby, while the 32MHz burst speed handles IR-protocol encoding (RC5, NEC), Bluetooth-HID keymap dispatch, or Wi-Fi co-processor handshaking via UART. The 16 GPIO pins cover a typical 4x4 keypad matrix + LED indicator banks with hardware debouncing via the timers. mTouch capability replaces mechanical buttons on premium models. Deep-sleep DSWDT adds a safety-net watchdog in case the radio stack hangs during firmware development — without the watchdog drain penalty of an external supervisor.
Được đề xuất
IoT Edge Sensor Node (NanoWatt XLP)
IoT edge sensor nodes benefit from the PIC24F16KA101T-I/SO's dedicated nanoWatt XLP deep-sleep block: DSBOR holds brown-out reset thresholds in sleep, DSWDT keeps a watchdog alive at < 1 uA, and the RTCC maintains wall-clock time on a 32 kHz crystal so the node can wake on scheduled intervals without running the main oscillator. The 16 KB Flash and 2 KB SRAM comfortably store an MQTT-SN or CoAP client over UART-attached LoRa / NB-IoT modules. Combined with a 3.3V LDO and a single 2000 mAh Li-SO2 primary cell, end-nodes can run 5-10 years unattended on a single battery. The 16 MIPS CPU lets the node run an L3 DTLS handshake during the brief wake window.
Được đề xuất
Low-Power Automotive Accessory Node (Non-Safety)
Although the PIC24F16KA101T-I/SO is industrial-grade (-40C to +85C) and NOT AEC-Q100 qualified, it fits non-safety automotive accessories such as cabin USB chargers, ambient-lighting controllers, infotainment auxiliary keypads, and aftermarket alarm-system auxiliary sensors. Its 1.8-3.6V operation rides downstream of an automotive 5V or 12V LDO, and the 32MHz throughput handles LIN-bus polling via UART plus PWM for LED drivers. Designers should add an external CAN or LIN transceiver because the PIC24F16KA101 lacks on-chip CAN. For safety-relevant nodes, migrate to PIC24HJ128GP502 or dsPIC33EV family AEC-Q100 parts.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24F16KA101T-I/SO — 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 | PIC24F16KA101-I/SO | PIC24F08KA101-I/SO | PIC24F08KA101T-I/SO |
|---|---|---|---|---|
| Package | 20-SOIC (7.50mm) | 20-SOIC (same) | 20-SOIC (same) | 20-SOIC (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 16 KB Flash | 16 KB Flash | 8 KB Flash | 8 KB Flash |
| Data RAM | 2 KB | 2 KB | 1 KB | 1 KB |
| Maximum Frequency | 32 MHz (16 MIPS) | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V |
| XLP nanoWatt Features | DSBOR + DSWDT + RTCC | DSBOR + DSWDT + RTCC | DSBOR + DSWDT + RTCC | DSBOR + DSWDT + RTCC |
| Price (qty 1) | $3.45 | $3.20 - $3.45 | $2.95 - $3.10 | $2.95 - $3.10 |
Bảo phân biệt quan trọng
- nanoWatt XLP with DSBOR + DSWDT + RTCC (vsPIC24F08KA101-I/SO (8KB Flash variant))
- Tape-and-reel packaging for SMT production (vsPIC24F16KA101-I/SO (tube packaging))
- 16-bit modified Harvard RISC architecture (vsPIC18F46K22 (8-bit))
Ghi chú thiết kế
Estimated — Enable the auxiliary 32 kHz crystal and configure RTCC for periodic wake to reach sub-1 uA deep-sleep current. The datasheet shows typical deep-sleep current of 20-50 nA with DSWDT + RTCC active and DSBOR disabled in DEEP_SLEEP configuration register. Without the 32 kHz crystal, the part falls back to internal LF-OSC and consumes roughly 10x more current. Place a 22 pF load cap matching the crystal's CL rating on both OSC1 and OSC2 traces, kept short to avoid stray capacitance.
Estimated — Place a 100 nF decoupling capacitor within 3 mm of each VDD pin, with a wide ground pour tying VSS pins together. The 20-SOIC package has two VDD/VSS pairs (pins 8/13 and 14/16); both must be decoupled. Add a 4.7 uF bulk capacitor near the IC for ADC reference settling. Keep the ICSP PGED1/PGEC1 traces accessible on the PCB edge or test points for in-circuit programming without removing the chip from the board.
Estimated — Do not exceed 3.6V on VDD; the absolute-maximum is 4.0V per datasheet, but reliability degrades rapidly above 3.6V. Avoid leaving MCLR floating — always tie it to VDD through a 10 kOhm pull-up and a 100 nF cap to ground for noise immunity. The PGEC1/PGED1 pins double as I2C1 (SCL1/SDA1) and the second set (RB4/RB5) as SCL2/SDA2; using both I2C buses simultaneously requires careful pin assignment to avoid contention. Note that the "T" suffix only indicates tape-and-reel — the silicon is identical to PIC24F16KA101-I/SO so code is interchangeable.
Thông tin tuân thủ
PIC24F16KA101T-I/SO is RoHS and REACH compliant per Microchip product page. It is NOT AEC-Q100 qualified; choose AEC-Q100 variants (PIC24F16KA101-E or PIC24FV... variants) for safety-relevant automotive nodes. The "I" in the part number denotes Industrial temperature (-40C to +85C) only, NOT automotive grade.
