PIC24FJ192GA108T-I/PT - 192KB Flash 16-bit MCU 80-TQFP | Microchip
MPN: PIC24FJ192GA108T-I/PT ✓ Hoạt độngPIC24FJ192GA108T-I/PT Tóm tắt
What is a PIC24F microcontroller? A PIC24F is a 16-bit RISC microcontroller from Microchip that sits in the hierarchy: microcontroller (MCU) -> 16-bit MCU -> flash MCU -> low-power MCU -> PIC24F family. It is the lower-power complement to the dsPIC/PIC24H line, and is engineered for battery-friendly applications where 8-bit PICs lack memory or peripheral bandwidth but the system does not need a DSP engine. The 'F' suffix denotes Flash program memory and the 'J' denotes the nanoWatt XLP-style ultra-low-power process.
Key features include 192 KB self-reprogrammable flash, 16 KB SRAM, an operating voltage range of 2.0 V to 3.6 V with 5.5 V tolerant digital inputs, three I2C, three SPI, four UART, and 23 independent timers. The device supports multiple power management modes (Sleep, Idle, Doze) with fast wake-up, configurable open-drain outputs, and high-current 18 mA sink/source capability on every I/O pin. It also integrates a Parallel Master Port (PMP) for off-chip memory or graphics expansion.
Architecturally, the PIC24FJ192GA108T-I/PT uses a modified Harvard architecture with a 16-bit datapath and 24-bit instruction word. The CIP (Core Independent Peripherals) approach allows hardware state machines to handle timing-sensitive tasks without CPU intervention, reducing active time and current draw. The 32 MHz core delivers 16 MIPS of throughput while operating from as low as 2.0 V.
Typical applications include industrial control and HMI panels, portable medical instrumentation, low-power sensor hubs, USB and serial gateway bridges, and battery-backed telemetry devices. The 16 KB RAM buffer is particularly useful for protocol stacks and audio sample buffering in DSP-lite workloads.
Designers should pay attention to the 2.0-3.6 V supply constraint and avoid 5 V system buses unless using the 5.5 V tolerant digital inputs. Decoupling requires at least one 100 nF ceramic capacitor per VDD/VSS pair plus a bulk 10 µF near the ICSP programming header. For firmware development, MPLAB X IDE with the XC16 compiler is the standard toolchain.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not consolidated on the manufacturer datasheet alone - useful for engineers evaluating long-term availability and second-source options for industrial programs.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ192GA108T-I/PT — 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 PIC24FJ192GA108T-I/PT (cùng hình factor và footprint) — khác nhau ở Package, ADC, Core Architecture, Standby Current, Operating Temperature.
PIC24FJ192GB108T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ192GA108-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ192GA108T-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GA108T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ192GA106T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ192GA108T-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC 16-bit RISC |
| Family | PIC24FJ192GA108 |
| Core Frequency | 32 MHz |
| Instruction Throughput | 16 MIPS |
| Program Memory (Flash) | 192 KB (65.5K x 24 words) |
| RAM | 16 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| Digital Input Tolerance | 5.5 V tolerant (digital pins only) |
| I/O Sink/Source Current | 18 mA / 18 mA |
| I2C Interfaces | 3 |
| SPI Interfaces | 3 |
| UART Interfaces | 4 |
| Timers (16-bit) | 23 independent |
| Parallel Master Port (PMP) | Yes |
| Standby Current | <100 nA (typical) |
| Power Management Modes | Sleep, Idle, Doze |
| Hộp | 80-pin TQFP (12x12 mm) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Cấp MSL | 3 |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FJ192GA108T-I/PT
| Chân 1 | RE0 — Port E bit 0 (I/O) |
| Chân 2 | RE1 — Port E bit 1 (I/O) |
| Chân 3 | RE2 — Port E bit 2 (I/O) |
| Chân 4 | RE3 — Port E bit 3 (I/O) |
| Chân 5 | RE4 — Port E bit 4 (I/O) |
| Chân 6 | RE5 — Port E bit 5 (I/O) |
| Chân 7 | MCLR — Master Clear (reset, active low) |
| Chân 8 | RA0 — Port A bit 0 (I/O) |
| Chân 9 | RA1 — Port A bit 1 (I/O) |
| Chân 10 | RA2 — Port A bit 2 (I/O) |
| Chân 11 | VDD — Positive supply voltage (2.0 V to 3.6 V) |
| Chân 12 | VSS — Ground reference |
| Chân 13 | RA3 — Port A bit 3 (I/O) |
| Chân 14 | RA4 — Port A bit 4 (I/O) |
| Chân 15 | RA5 — Port A bit 5 (I/O) |
| Chân 16 | RA6 — Port A bit 6 (I/O) |
| Chân 17 | RA7 — Port A bit 7 (I/O) |
| Chân 18 | RB0 — Port B bit 0 (I/O) |
| Chân 19 | RB1 — Port B bit 1 (I/O) |
| Chân 20 | RB2 — Port B bit 2 (I/O) |
| Chân 21 | RB3 — Port B bit 3 (I/O) |
| Chân 22 | RB4 — Port B bit 4 (I/O) |
| Chân 23 | RB5 — Port B bit 5 (I/O) |
| Chân 24 | RB6 — Port B bit 6 (I/O, ICSPCLK programming) |
| Chân 25 | RB7 — Port B bit 7 (I/O, ICSPDAT programming) |
| Chân 26 | RB8 — Port B bit 8 (I/O) |
| Chân 27 | RB9 — Port B bit 9 (I/O) |
| Chân 28 | RB10 — Port B bit 10 (I/O) |
| Chân 29 | RB11 — Port B bit 11 (I/O) |
| Chân 30 | RB12 — Port B bit 12 (I/O) |
| Chân 31 | RB13 — Port B bit 13 (I/O) |
| Chân 32 | VDD — Positive supply voltage |
| Chân 33 | VSS — Ground reference |
| Chân 34 | RB14 — Port B bit 14 (I/O) |
| Chân 35 | RB15 — Port B bit 15 (I/O) |
| Chân 36 | RC0 — Port C bit 0 (I/O) |
| Chân 37 | RC1 — Port C bit 1 (I/O) |
| Chân 38 | RC2 — Port C bit 2 (I/O) |
| Chân 39 | RC3 — Port C bit 3 (I/O) |
| Chân 40 | RC4 — Port C bit 4 (I/O) |
| Chân 41 | RC5 — Port C bit 5 (I/O) |
| Chân 42 | RC6 — Port C bit 6 (I/O) |
| Chân 43 | RC7 — Port C bit 7 (I/O) |
| Chân 44 | RC8 — Port C bit 8 (I/O) |
| Chân 45 | RC9 — Port C bit 9 (I/O) |
| Chân 46 | RC10 — Port C bit 10 (I/O) |
| Chân 47 | RC11 — Port C bit 11 (I/O) |
| Chân 48 | RC12 — Port C bit 12 (I/O) |
| Chân 49 | RC13 — Port C bit 13 (I/O) |
| Chân 50 | RC14 — Port C bit 14 (I/O) |
| Chân 51 | RC15 — Port C bit 15 (I/O) |
| Chân 52 | RD0 — Port D bit 0 (I/O) |
| Chân 53 | RD1 — Port D bit 1 (I/O) |
| Chân 54 | VDD — Positive supply voltage |
| Chân 55 | VSS — Ground reference |
| Chân 56 | RD2 — Port D bit 2 (I/O) |
| Chân 57 | RD3 — Port D bit 3 (I/O) |
| Chân 58 | RD4 — Port D bit 4 (I/O) |
| Chân 59 | RD5 — Port D bit 5 (I/O) |
| Chân 60 | RD6 — Port D bit 6 (I/O) |
| Chân 61 | RD7 — Port D bit 7 (I/O) |
| Chân 62 | RD8 — Port D bit 8 (I/O) |
| Chân 63 | RD9 — Port D bit 9 (I/O) |
| Chân 64 | RD10 — Port D bit 10 (I/O) |
| Chân 65 | RD11 — Port D bit 11 (I/O) |
| Chân 66 | RD12 — Port D bit 12 (I/O) |
| Chân 67 | RD13 — Port D bit 13 (I/O) |
| Chân 68 | RD14 — Port D bit 14 (I/O) |
| Chân 69 | RD15 — Port D bit 15 (I/O) |
| Chân 70 | RF0 — Port F bit 0 (I/O) |
| Chân 71 | RF1 — Port F bit 1 (I/O) |
| Chân 72 | RF2 — Port F bit 2 (I/O) |
| Chân 73 | RF3 — Port F bit 3 (I/O) |
| Chân 74 | RF4 — Port F bit 4 (I/O) |
| Chân 75 | RF5 — Port F bit 5 (I/O) |
| Chân 76 | VDD — Positive supply voltage |
| Chân 77 | VSS — Ground reference |
| Chân 78 | RF6 — Port F bit 6 (I/O) |
| Chân 79 | RF7 — Port F bit 7 (I/O) |
| Chân 80 | RF8 — Port F bit 8 (I/O) |
Ứng dụng tiêu biểu
PIC24FJ192GA108T-I/PT phù hợp cho 6 Áp dụngs: Industrial HMI Control Panels, Portable Medical Instrumentation, Battery-Backed Sensor Hubs, Serial Protocol Bridges and Gateways, Automotive Body and Comfort Modules, Consumer Audio and Display Peripherals.
Industrial HMI Control Panels
The PIC24FJ192GA108T-I/PT's 192 KB Flash and 16 KB RAM comfortably host full graphical HMI state machines, while the Parallel Master Port interfaces directly to TFT LCD drivers or external SRAM for framebuffering. Its four UART channels support simultaneous RS-232/RS-485 field-bus links, and three SPI buses drive digital potentiometers, DACs, and isolated comms. Industrial-grade -40C to +85C operation suits factory floor deployment without extra thermal hardening.
Được đề xuất
Portable Medical Instrumentation
Sub-100 nA standby and fast wake-up Sleep/Idle modes let the PIC24FJ192GA108T-I/PT run on coin-cell or Li-ion packs for pulse oximeters, glucose meters, and bedside monitors. The 16 KB RAM holds raw sensor sample buffers, while the 18 mA I/O drive directly energizes LED arrays, piezo buzzers, and segmented LCDs. Five-volt-tolerant digital inputs simplify interfacing with legacy hospital bus transceivers without level shifters.
Được đề xuất
Battery-Backed Sensor Hubs
The PIC24FJ192GA108T-I/PT is ideal for wireless sensor hubs aggregating data from multiple SPI or I2C sensor chains. Its 32 MHz throughput and DMA-driven peripherals can sample multi-axis IMUs, environmental sensors, and gas sensors concurrently while leaving CPU bandwidth for stack processing. The 192 KB Flash hosts full 6LoWPAN or BLE HCI host code, and 5.5 V tolerant inputs ease integration with industrial 5 V sensor rails.
Được đề xuất
Serial Protocol Bridges and Gateways
Three I2C, three SPI, and four UART channels let the PIC24FJ192GA108T-I/PT act as a multi-protocol bridge between Modbus RTU, I2C sensor clusters, SPI displays, and Ethernet or cellular modems. The 16 KB RAM supports protocol translation buffers, while the 32 MHz core runs Modbus, MQTT-SN, and proprietary protocols in parallel. CIP (Core Independent Peripherals) handle UART framing and CRC without CPU load.
Được đề xuất
Automotive Body and Comfort Modules
Although not AEC-Q100 qualified, the PIC24FJ192GA108T-I/PT's industrial -40C to +85C range and CIP peripherals are used in non-safety body modules such as seat controllers, mirror adjusters, and ambient lighting. The 18 mA I/O drive directly powers LED drivers and small relays, while three SPI buses drive CAN-transceiver-equipped peripherals. For AEC-Q100 requirements, designers migrate to the PIC24HJ or dsPIC33 families.
Được đề xuất
Consumer Audio and Display Peripherals
The PIC24FJ192GA108T-I/PT's high-current 18 mA I/O lines can source LED strings and segmented LCD bias rails directly, while the three SPI ports drive audio DACs, AMOLED controllers, and SD cards. 16 KB RAM buffers audio sample frames for software codecs, and the 32 MHz core handles UI rendering with a small TFT. The PMP (Parallel Master Port) interfaces to 8/16-bit parallel LCDs without external glue logic.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ192GA108T-I/PT — 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 | PIC24FJ192GB108T-I/PT | PIC24FJ192GA108-I/PT | PIC24FJ192GA108T-E/PT | PIC24FJ128GA108T-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-pin TQFP (12x12 mm) | 80-pin TQFP - same | 80-pin TQFP - same | 80-pin TQFP - same | 80-pin TQFP - same |
| Core Architecture | PIC24F 16-bit RISC | PIC24F 16-bit RISC | PIC24F 16-bit RISC | PIC24F 16-bit RISC | PIC24F 16-bit RISC |
| Core Frequency | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| Flash Memory | 192 KB | 192 KB | 192 KB | 192 KB | 128 KB (-33%) |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| USB Peripheral | None | USB 2.0 OTG | None | None | None |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +85C |
Bảo phân biệt quan trọng
- Best balance of Flash density and RAM in 80-pin TQFP PIC24F family (vsPIC24FJ128GA108T-I/PT)
- Non-USB variant avoids USB peripheral overhead (vsPIC24FJ192GB108T-I/PT)
- Industrial temperature grade with extended variant option (vsPIC24FJ192GA108T-E/PT)
Ghi chú thiết kế
The PIC24FJ192GA108T-I/PT requires four VDD/VSS pairs (pins 11/12, 32/33, 54/55, 76/77) properly decoupled with 100 nF X7R ceramic capacitors placed within 3 mm of each pair. Add a bulk 10 uF tantalum or ceramic capacitor near the ICSP programming header to suppress inrush during flash programming. The 2.0 V to 3.6 V supply must remain within tolerance during Sleep-mode wake-up transients, where the FRC stabilizes within 10 us.
Do not apply voltages above 3.6 V to VDD even though digital inputs tolerate 5.5 V. A common mistake is powering the MCU from a 3.3 V LDO and switching 5 V signal lines - this works for inputs but the absolute maximum on any analog pin (AVDD) is still 3.6 V. Use the ADC only with 0 to VDD analog rails, and configure the band-gap reference selection carefully if using external VREF+.
Route the ICSP pins (RB6/ICSPCLK and RB7/ICSPDAt) as a dedicated 2-wire bus with no series resistors above 100 ohm and keep traces under 50 mm to ensure reliable in-circuit programming. Avoid routing high-speed signals under the MCU's exposed pad (note: TQFP-80 has no EP, but DQFN variants do). The 80-pin TQFP allows 0.5 mm pitch routing on a 4-layer board with 4 mil traces and 4 mil spacing.
Thông tin tuân thủ
RoHS compliant per Microchip product page; lead-free TQFP package. Not AEC-Q100 qualified - use dsPIC33 or PIC24HJ AEC-Q100 variants for automotive.