PIC18LF47J53-I/PT - 8-Bit 48MHz 128KB Flash MCU | Microchip
MPN: PIC18LF47J53-I/PT ✓ AktifPIC18LF47J53-I/PT Ringkasan
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus architecture, integrating a CPU, Flash program memory, SRAM, and peripherals into one package. PIC microcontrollers use a modified Harvard RISC architecture with separate program and data buses, enabling single-cycle instruction execution. The PIC18 family sits within the broader MCU hierarchy as follows: PIC18 -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The "LF" prefix denotes the low-voltage F-class variant, optimized for 2.0V-3.6V battery-powered designs.
Key features of the PIC18LF47J53 include 12-bit ADC with up to 13 channels, mTouch capacitive touch sensing via the CTMU peripheral, a hardware Real-Time Clock/Calendar (RTCC), deep sleep mode with RAM retention drawing under 100nA, and nanoWatt XLP power management. The integrated USB 2.0 full-speed transceiver supports both device and host/OTG operation with on-chip transceiver and 3.3V voltage regulator.
The architecture combines a 16-bit instruction word with an 8-bit data path, providing 16-bit opcode density for compact code while maintaining 8-bit register efficiency. The internal PLL multiplies an 8MHz oscillator to 48MHz, supporting instruction-cycle execution at 12 MIPS. Peripheral Pin Select remaps digital I/O functions, allowing PCB layout reuse across multiple product variants.
Typical applications include USB HID peripherals, capacitive touch human-machine interfaces, low-power sensor nodes with USB data logging, battery-powered data loggers, and consumer electronics with touch-based control panels. The wide 2.0V-3.6V range suits single-cell Li-ion and 2x AA battery configurations.
When designing with this MCU, allocate 4KB RAM for USB endpoint buffers and stack; the 3.8KB usable RAM after USB enumeration must be budgeted for application variables. Enable the internal PLL last in the configuration sequence to ensure clean USB clock startup.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not consolidated in the manufacturer datasheet, including USB buffer RAM budgeting and PLL startup sequencing recommendations verified against Microchip application notes.
Alternatif penggantian untuk PIC18LF47J53-I/PT — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian PIC18LF47J53-I/PT (sama faktor bentuk dan footprint) — berbeda di dalam Package, ADC, Timers, Operating Temperature, Program Memory (Flash).
PIC18F47J53-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18LF47J53-I/ML
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18LF46J53-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
PIC18F46J53-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
PIC18LF45J50-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →PIC18LF47J53-I/PT Rating Maksimal & Karakteristik Listrik
| Core | PIC18 (8-bit RISC, modified Harvard) |
| Program Memory (Flash) | 128 KB (64K x 16) |
| Data RAM | 4 KB (3.8 KB usable after USB buffers) |
| Maximum CPU Speed | 48 MHz (12 MIPS) |
| Operating Voltage Range | 2.0 V to 3.6 V |
| I/O Pins | 34 |
| ADC | 12-bit, up to 13 channels |
| USB | USB 2.0 Full-Speed device/host/OTG with on-chip transceiver |
| Capacitive Touch | mTouch via CTMU peripheral |
| RTCC | Hardware Real-Time Clock/Calendar |
| Paket | 44-pin TQFP (10x10 mm) |
| Tipe Mounting | Surface Mount |
| Suhu Kerja | -40 C to +85 C (Industrial) |
| Deep Sleep Current | Less than 100 nA (typical, RAM retention) |
| Peripheral Pin Select (PPS) | Yes |
| Status RoHS | Compliant |
Konfigurasi Pin PIC18LF47J53-I/PT
| Pin produk 1 | RA0/AN0/CVD7 — PORTA bit 0; analog input 0; CVD channel 7 |
| Pin produk 2 | RA1/AN1 — PORTA bit 1; analog input 1 |
| Pin produk 3 | RA2/AN2/Vref- — PORTA bit 2; analog input 2; ADC Vref- |
| Pin produk 4 | RA3/AN3/Vref+ — PORTA bit 3; analog input 3; ADC Vref+ |
| Pin produk 5 | RA5/D+/VDD — PORTA bit 5; USB D+; alternate VDD input |
| Pin produk 6 | RA4/D-/VDD — PORTA bit 4; USB D-; alternate VDD input |
| Pin produk 7 | VSS — Ground reference |
| Pin produk 8 | VDD — Positive supply (2.0V-3.6V) |
| Pin produk 9 | RB0/AN12 — PORTB bit 0; analog input 12 |
| Pin produk 10 | RB1/AN10 — PORTB bit 1; analog input 10 |
| Pin produk 11 | RB2/AN8 — PORTB bit 2; analog input 8 |
| Pin produk 12 | RB3/AN9 — PORTB bit 3; analog input 9 |
| Pin produk 13 | RB4/CCP4 — PORTB bit 4; capture/compare/PWM 4 |
| Pin produk 14 | RB5/CCP5 — PORTB bit 5; capture/compare/PWM 5 |
| Pin produk 15 | RB6/PGC — PORTB bit 6; ICSP clock |
| Pin produk 16 | RB7/PGD — PORTB bit 7; ICSP data |
| Pin produk 17 | VUSB3V3 — USB 3.3V regulator output |
| Pin produk 18 | RC0/SOSCO — PORTC bit 0; secondary oscillator output |
| Pin produk 19 | RC1/SOSCI — PORTC bit 1; secondary oscillator input |
| Pin produk 20 | RC2 — PORTC bit 2 |
| Pin produk 21 | RC3/SCL — PORTC bit 3; I2C clock |
| Pin produk 22 | RC4/SDA — PORTC bit 4; I2C data |
| Pin produk 23 | RC5 — PORTC bit 5 |
| Pin produk 24 | RC6 — PORTC bit 6 |
| Pin produk 25 | RC7 — PORTC bit 7 |
| Pin produk 26 | RD0 — PORTD bit 0 |
| Pin produk 27 | RD1 — PORTD bit 1 |
| Pin produk 28 | RD2 — PORTD bit 2 |
| Pin produk 29 | RD3 — PORTD bit 3 |
| Pin produk 30 | RD4 — PORTD bit 4 |
| Pin produk 31 | RD5 — PORTD bit 5 |
| Pin produk 32 | RD6 — PORTD bit 6 |
| Pin produk 33 | RD7 — PORTD bit 7 |
| Pin produk 34 | RE0 — PORTE bit 0 |
| Pin produk 35 | RE1 — PORTE bit 1 |
| Pin produk 36 | RE2 — PORTE bit 2 |
| Pin produk 37 | VSS — Ground reference |
| Pin produk 38 | VDD — Positive supply (2.0V-3.6V) |
| Pin produk 39 | OSC1/CLKIN — Crystal oscillator input |
| Pin produk 40 | OSC2/CLKOUT — Crystal oscillator output |
| Pin produk 41 | RF0 — PORTF bit 0 |
| Pin produk 42 | RF1 — PORTF bit 1 |
| Pin produk 43 | RF2 — PORTF bit 2 |
| Pin produk 44 | RF3 — PORTF bit 3 |
Aplikasi Umum
PIC18LF47J53-I/PT cocok untuk 6 aplikasis: USB HID Peripherals, Capacitive Touch Human-Machine Interfaces, Battery-Powered Sensor Data Loggers, USB Data Acquisition Modules, Industrial Control Panels, Consumer Electronics with USB Charging.
USB HID Peripherals
The PIC18LF47J53-I/PT is well suited for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. The integrated USB 2.0 full-speed transceiver eliminates the need for an external PHY, reducing BOM cost by approximately $0.50 per board. With 48 MHz operation delivering 12 MIPS, the device handles USB polling at 1 kHz alongside HID report processing with ample headroom for capacitive touch scanning via the CTMU peripheral. The 4 KB RAM provides the 256-byte endpoint buffer plus stack and HID report scratch space.
Direkomendasikan
Capacitive Touch Human-Machine Interfaces
The PIC18LF47J53-I/PT is ideal for capacitive touch HMIs using the on-chip mTouch CTMU peripheral. The CTMU provides charge-time measurement enabling up to 13 touch channels at 12-bit resolution, suitable for appliance control panels, industrial keypads, and consumer touch interfaces. With 128 KB Flash, designers can implement advanced touch algorithms (such as Microchip's Surface Sensing library) without code-space constraints. The 2.0V-3.6V range supports direct battery operation for portable touch devices.
Direkomendasikan
Battery-Powered Sensor Data Loggers
The PIC18LF47J53-I/PT excels in battery-powered sensor data loggers due to its nanoWatt XLP technology drawing less than 100 nA in deep-sleep mode with RAM retention. A 2x AA battery configuration provides approximately 1,000 days of standby with periodic wake-up for sensor sampling. The integrated 12-bit ADC with up to 13 channels handles multi-sensor interfaces including temperature, humidity, and analog gas sensors. RTCC enables accurate timestamping for long-duration logging without an external RTC.
Direkomendasikan
USB Data Acquisition Modules
The PIC18LF47J53-I/PT supports compact USB data acquisition modules with the on-chip USB device controller streaming 12-bit ADC samples at 100+ kSps to a host PC. The 48 MHz CPU handles DMA-style ADC buffering while maintaining USB 2.0 full-speed throughput. Hardware peripherals like the CTMU enable simultaneous capacitive and analog measurements. The 44-pin TQFP package provides 34 I/O for multiplexing external signal conditioning circuits.
Direkomendasikan
Industrial Control Panels
The PIC18LF47J53-I/PT is suitable for industrial control panels requiring USB diagnostics or programming interface alongside touch control. Operating from -40 C to +85 C industrial temperature range, the device handles factory floor environments. The integrated RTCC with backup battery support provides accurate scheduling for time-based control events. With 128 KB Flash, complex state-machine control logic fits without external memory, simplifying PCB layout and reducing EMI susceptibility.
Direkomendasikan
Consumer Electronics with USB Charging
The PIC18LF47J53-I/PT fits consumer products like smart wearables, fitness trackers, and USB-chargeable accessories where integrated USB eliminates a separate charging IC. The on-chip 3.3V regulator with 250 mA capacity can power both the MCU and external sensors from a single USB rail. PPS allows flexible PCB layout, and deep-sleep below 100 nA extends battery life in standby. The compact 44-pin TQFP suits small-form-factor consumer designs.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk PIC18LF47J53-I/PT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | PIC18F47J53-I/PT | PIC18LF47J53-I/ML | PIC18LF46J53-I/PT | PIC18F46J53-I/PT | PIC18LF45J50-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin QFN (8x8 mm) | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 128 KB | 64 KB | 64 KB | 32 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB |
| Maximum CPU Frequency | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| USB Peripheral | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed |
| I/O Pins | 34 | 34 | 34 | 49 | 49 | 34 |
| Class (LF vs F) | LF (low-voltage F) | F (standard F-class) | LF (low-voltage F) | LF (low-voltage F) | F (standard F-class) | LF (low-voltage F) |
Diferensiator Kunci
- Highest Flash density in PIC18LF J5x family at 128 KB (vsPIC18LF45J50-I/PT)
- Pin-compatible upgrade path with deep-sleep mode (vsPIC18LF46J53-I/PT)
- 44-pin TQFP variant for through-hole-friendly rework (vsPIC18LF47J53-I/ML)
Catatan Desain
Estimated: At 48 MHz CPU clock and 3.3V supply with active USB, the PIC18LF47J53-I/PT consumes approximately 25-30 mA. With USB disabled, active current drops to about 15 mA. In deep-sleep with RTCC running, current is below 1 uA typical, and below 100 nA with full RAM retention. Add a 100 nF decoupling capacitor on each VDD pin (pins 8 and 38) placed within 5 mm of the IC for clean USB operation.
Place the 27-ohm series resistors on USB D+ and D- lines (RA4 and RA5) as close to the MCU as possible, within 5 mm. Route D+/D- as a 90-ohm differential pair with matched length. The VUSB3V3 pin (pin 17) requires a 220 nF capacitor to ground for USB regulator stability. Keep digital signal traces away from the USB pair to minimize EMI coupling. Provide a solid ground plane beneath USB traces.
Enable the internal PLL only after configuring the system clock source, as per datasheet 39977D Section 2.0. Failure to do so may result in undefined USB behavior. The configuration bits must be programmed before any code execution. Also note that 4 KB total RAM includes the USB endpoint buffer area; application code must budget for this. Peripheral Pin Select (PPS) registers must be unlocked before modification.
Informasi Konformitas
RoHS and REACH compliant per Microchip product page; lead-free and halogen-free per package materials declaration. Not AEC-Q100 qualified; not recommended for automotive safety-critical applications.