PIC18F47K40-I/PT - 8-Bit 64MHz 128KB Flash MCU | Microchip
Référence : PIC18F47K40-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $2.94 | $2,94 |
| 10 | $2.66 | $26,60 |
| 100 | $2.25 | $225,00 |
| 500 | $1.86 | $930,00 |
| 1 000 | $1.62 | $1 620,00 |
| 3 000 | $1.4 | $4 200,00 |
PIC18F47K40-I/PT Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory and peripherals around a single IC. PIC18 devices sit in the 8-bit enhanced mid-range tier of the Microchip portfolio and target general-purpose embedded designs where deterministic behavior, low power and 5V tolerance are critical. The K40 family extends the PIC18 line by adding more CIPs and larger memory than its K22/K20 predecessors.
Headline specifications include 64 MHz internal oscillator operation (16 MIPS throughput), 35 I/O pins, 17 ADC channels, 2 comparators, 2 I2C/SPI and 2 UART/I2C peripherals, plus a 5-bit DAC. XLP Sleep current is typically under 50 nA, allowing battery-powered designs to run for years on a single cell. The 44-pin TQFP is the largest footprint in the K40 family, exposing the maximum peripheral count.
Internally the K40 uses a C-optimized RISC core with hardware multiplier and a 16-bit instruction word fetched from Flash. The CPU is supported by a 4-deep stack, indexed addressing modes and a C-friendly peripheral library (MCC code generator). 5V tolerance across digital I/O simplifies interfacing to legacy analog and industrial buses without level shifters.
Typical applications include home appliances and white goods, IoT sensor nodes, industrial control panels, USB HID peripherals, motor control with CWG, lighting ballasts, and automotive body modules. The 128 KB Flash also makes it attractive as a platform MCU for consumer products with graphical LCDs.
When designing with the K40, plan the analog pin assignments carefully because several CIPs share analog inputs. Decouple VDD with 100 nF + 1 uF near each power pin, keep the ICSP lines accessible for in-circuit programming, and budget for an external 32 kHz crystal only if RTC accuracy below 1% is required.
Alternatives de remplacement direct pour PIC18F47K40-I/PT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC18F47K40-I/PT (même facteur de forme et même empreinte) — différant par Package, ADC, DAC, Mounting Type, Comparators.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC18F47K40-E/PT
✅ Remplacement direct✓ En stock
$2.1 / unité
Voir la fiche technique →PIC18F47K40-I/P
✅ Remplacement direct✓ En stock
$2.88 / unité
Voir la fiche technique →PIC18F47J53T-I/PT
✅ Remplacement direct✓ En stock
$4.3 / unité
Voir la fiche technique →PIC18F46K40-I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC18F46Q84-E/P
✅ Remplacement direct✓ En stock
$2.18 / unité
Voir la fiche technique →PIC18F46Q43-I/P
✅ Remplacement direct✓ En stock
$1.52 / unité
Voir la fiche technique →PIC18F47K40-I/PT Valeurs maximales et caractéristiques électriques
| Core | PIC18 8-bit enhanced mid-range |
| CPU Speed | 64 MHz (16 MIPS) |
| Program Memory (Flash) | 128 KB |
| Data EEPROM | 1024 bytes |
| Data SRAM | 3728 bytes |
| Boîtier | 44-pin TQFP (PT) 10x10 mm |
| Supply Voltage (VDD) | 2.3 V to 5.5 V |
| I/O Pins | 35 |
| ADC | 10-bit, up to 35 channels (with computation) |
| DAC | 5-bit, 2 channels |
| Comparators | 2 |
| UART | 2 |
| I2C | 2 (MSSP) |
| SPI | 2 (MSSP) |
| Core Independent Peripherals | CWG, WWDT, CRC/SCAN, NCO, DSM |
| Operating Temperature (I grade) | -40 C to +85 C |
| Type de montage | Surface Mount |
| RoHS | Compliant |
Configuration des broches de PIC18F47K40-I/PT
| Broche 1 | MCLR — Master Clear (reset) input, active low |
| Broche 2 | RA0 — Digital I/O / analog input AN0 |
| Broche 3 | RA1 — Digital I/O / analog input AN1 |
| Broche 4 | RA2 — Digital I/O / analog input AN2 |
| Broche 5 | RA3 — Digital I/O / analog input AN3 |
| Broche 6 | RA4 — Digital I/O / analog input AN4 |
| Broche 7 | RA5 — Digital I/O / analog input AN5 |
| Broche 8 | RA6 — Digital I/O / analog input AN6 |
| Broche 9 | RA7 — Digital I/O / analog input AN7 |
| Broche 10 | RE0 — Digital I/O (Port E bit 0) |
| Broche 11 | VDD — Positive supply voltage |
| Broche 12 | VSS — Ground reference |
| Broche 13 | RB0 — Digital I/O / interrupt-on-change |
| Broche 14 | RB1 — Digital I/O / interrupt-on-change |
| Broche 15 | RB2 — Digital I/O / interrupt-on-change |
| Broche 16 | RB3 — Digital I/O / interrupt-on-change |
| Broche 17 | RB4 — Digital I/O / interrupt-on-change |
| Broche 18 | RB5 — Digital I/O / interrupt-on-change |
| Broche 19 | RB6 — Digital I/O / ICSP clock |
| Broche 20 | RB7 — Digital I/O / ICSP data |
| Broche 21 | RC0 — Digital I/O / analog input AN16 |
| Broche 22 | RC1 — Digital I/O / analog input AN17 |
| Broche 23 | RC2 — Digital I/O / analog input AN18 |
| Broche 24 | RC3 — Digital I/O / analog input AN19 |
| Broche 25 | RC4 — Digital I/O |
| Broche 26 | RC5 — Digital I/O |
| Broche 27 | RC6 — Digital I/O / UART1 TX |
| Broche 28 | RC7 — Digital I/O / UART1 RX |
| Broche 29 | RE1 — Digital I/O (Port E bit 1) |
| Broche 30 | RE2 — Digital I/O (Port E bit 2) |
| Broche 31 | VSS — Ground reference |
| Broche 32 | VDD — Positive supply voltage |
| Broche 33 | RD0 — Digital I/O (Port D bit 0) |
| Broche 34 | RD1 — Digital I/O (Port D bit 1) |
| Broche 35 | RD2 — Digital I/O (Port D bit 2) |
| Broche 36 | RD3 — Digital I/O (Port D bit 3) |
| Broche 37 | RD4 — Digital I/O (Port D bit 4) |
| Broche 38 | RD5 — Digital I/O / ICSP clock |
| Broche 39 | RD6 — Digital I/O / ICSP data |
| Broche 40 | RD7 — Digital I/O (Port D bit 7) |
| Broche 41 | RF0 — Digital I/O (Port F bit 0) |
| Broche 42 | RF1 — Digital I/O (Port F bit 1) |
| Broche 43 | RF2 — Digital I/O (Port F bit 2) |
| Broche 44 | RF3 — Digital I/O (Port F bit 3) |
Applications typiques
PIC18F47K40-I/PT convient pour 7 applications: Home Appliance and White Goods Control, Industrial Sensor Node and IoT Edge, USB HID and Consumer Peripherals, Lighting Control and LED Ballasts, Automotive Body and Comfort Modules, Battery-Powered Handheld Instruments, Display and HMI Front Panel.
Home Appliance and White Goods Control
The PIC18F47K40-I/PT fits home appliance control boards thanks to its 64 MHz / 16 MIPS throughput for fast main-loop responsive runs, 128 KB Flash for combined UI/state-machine code, and 5V-tolerant digital I/O that interfaces directly to legacy triac and zero-cross detection circuits without level shifters. Its CWG peripheral generates complementary PWM for switching power and motor pre-drivers, and the on-chip 10-bit ADC with computation reads NTC temperature sensors and current shunts autonomously, freeing the CPU for the user interface. XLP Sleep currents below 100 nA keep standby power compliant with EU eco-design regulations on standby consumption.
Recommandé
Industrial Sensor Node and IoT Edge
Industrial sensor nodes benefit from the PIC18F47K40-I/PT's eXtreme Low Power (XLP) technology, which delivers Sleep currents below 100 nA and multiple Sleep modes with peripheral wake-up from ADC, comparator, or interrupt-on-change. The 128 KB Flash and 3728 bytes SRAM fit MQTT-over-UART firmware stacks with room for OTA bootloader. The 2 UART and 2 I2C/SPI channels connect to RS-485 transceivers, sensor front-ends, and local HMI displays simultaneously. Per-pin PPS mapping simplifies PCB routing when sensors are scattered across the board.
Recommandé
USB HID and Consumer Peripherals
The PIC18F47K40-I/PT can act as a USB HID device class microcontroller using a software USB stack on the MSSP SPI or a soft-USB bit-banging on the CWG/peripheral mapping, though the user should consider PIC18F47J53T-I/PT for full hardware USB 2.0 full-speed OTG support. The 128 KB Flash fits HID descriptors plus application code for keyboards, mice, and game controllers. Its 64 MHz core keeps HID polling latency under the USB 1 ms frame budget. The 44-pin TQFP package leaves headroom for additional buttons, encoders, and RGB LED drivers.
Recommandé
Lighting Control and LED Ballasts
The PIC18F47K40-I/PT drives digital LED ballasts and addressable lighting controllers by leveraging its CWG (Complementary Waveform Generator) for high-resolution PWM, NCO for frequency synthesis, and DSM (Data Signal Modulator) for DALI or DMX protocol bit generation. The 5V-tolerant I/O simplifies direct interface to DMX512 transceivers and 0-10 V analog dimming inputs. With 35 I/O pins in the 44-pin TQFP, it can drive up to 12 high-current LED channels directly through external MOSFETs. The XLP Sleep mode cuts standby power below the 0.5 W eco-design limit when lights are off.
Recommandé
Automotive Body and Comfort Modules
Automotive body modules such as door locks, seat controllers and HVAC user interfaces are well served by the PIC18F47K40-I/PT in non-safety-critical subsystems. The I-grade -40 C to +85 C temperature range covers cabin environments; for under-hood duty the E-grade PIC18F47K40-E/PT extends coverage to +125 C. The 5V I/O tolerance, robust ESD and the CWG peripheral support brushed DC and stepper motor drive pre-driver stages. CAN connectivity requires an external MCP2515 or migration to the PIC18F46Q84 family, which adds CAN-FD in a pin-compatible footprint.
Recommandé
Battery-Powered Handheld Instruments
Handheld test, measurement and consumer battery devices benefit from the PIC18F47K40-I/PT's XLP Sleep currents under 100 nA, allowing multi-year shelf life on a CR2032 coin cell when the device is idle. The 10-bit ADC with computation reads battery voltage autonomously, and the integrated 5-bit DAC generates bias voltages for analog front-end stages without an external reference. The 128 KB Flash holds firmware for full measurement routines, calibration tables, and USB or BLE command interfaces. The 5V tolerance enables direct connection to legacy 5 V analog front-end ICs.
Recommandé
Display and HMI Front Panel
The PIC18F47K40-I/PT drives small graphic LCD and OLED front-panel HMIs, with 35 I/O pins in the 44-pin TQFP exposing enough connections for 4-bit SPI TFT panels, capacitive touch controllers and rotary encoders simultaneously. The CWG peripheral generates backlight PWM with programmable dead-band, while the DSM and NCO support backlight color mixing or simple audio beep tones. PPS routing simplifies PCB layout by remapping peripherals to convenient pins without re-routing traces. The 128 KB Flash holds menus, multi-language strings and bitmap assets.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC18F47K40-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC18F47K40-E/PT | PIC18F47K40-I/P | PIC18F47J53T-I/PT | PIC18F46K40-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (PT) | 44-pin TQFP (PT) - same | 40-pin PDIP (P) - differs | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same |
| Program Flash | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB |
| Data SRAM | 3728 bytes | 3728 bytes | 3728 bytes | 3800 bytes | 3728 bytes |
| Data EEPROM | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes |
| Maximum CPU Speed | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS | 48 MHz / 12 MIPS | 64 MHz / 16 MIPS |
| I/O Pins | 35 | 35 | 33 | 35 | 35 |
| USB Hardware | No | No | No | USB 2.0 FS OTG | No |
| Operating Temperature | -40 C to +85 C (I grade) | -40 C to +125 C (E grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) |
Principaux différenciateurs
- Wider extended-temperature drop-in option (vs PIC18F47K40-E/PT)
- Drop-in USB 2.0 full-speed upgrade path (vs PIC18F47J53T-I/PT)
- Cost-down option with same peripheral set (vs PIC18F46K40-I/PT)
Notes de conception
Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of pins 11 and 32, plus a bulk 1 uF to 10 uF on the same rail. Add a 10 kohm pull-up on MCLR (pin 1) and keep the trace short. For XLP Sleep currents under 100 nA, disable the ADC and comparators in firmware before entering Sleep, and use interrupt-on-change wake-up from RB ports. Unused pins should be configured as outputs low to minimize leakage.
The 44-pin TQFP (10x10 mm, 0.8 mm pitch) requires 4-layer PCB for clean signal routing because the analog and digital grounds must be kept separate. Star-route analog AGND (VSS) at the IC, and place a ferrite bead between VDD_CORE and VDD_IO if noise-sensitive analog inputs are used. Keep the ICSP clock/data traces (RB6/RB7 and RD5/RD6) short and avoid routing near switching power nodes.
Do not assume the PPS (Peripheral Pin Select) mappings are the same as earlier PIC18F46K22 or PIC18F46K20 designs - always re-check the K40 datasheet for the exact register settings. Configuration bits must include FEXTOSC = HFINTOSC with PLL disabled or enabled per design target. Programming voltage on MCLR must reach at least 8 V for high-voltage ICSP; for low-voltage ICSP leave the ICD pin grounded only via the programmer.
Estimated: at maximum CPU activity (64 MHz, all peripherals enabled) the device consumes approximately 15 mA from VDD = 5 V. With a 44-pin TQFP theta_JA of approximately 50 C/W on a 4-layer JEDEC test board, the junction temperature rise is about 4 C above ambient, well within the 85 C I-grade limit. No external heatsink is required.
Informations de conformité
RoHS compliant per DigiKey product listing (PT suffix is lead-free). Not AEC-Q100 qualified; use PIC18F47K40-E/PT for extended industrial temperature or PIC18F47K40 with QSM automotive flow for AEC-Q100 needs.