PIC18F47Q83-I/PT - 64MHz 128KB Flash CIP MCU | Microchip
MPN: PIC18F47Q83-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.95 | $3.95 |
| 10 | $3.56 | $35.60 |
| 100 | $3.17 | $317.00 |
| 500 | $2.85 | $1,425.00 |
| 1,000 | $2.54 | $2,540.00 |
PIC18F47Q83-I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral subsystems on one silicon die. The PIC18 architecture belongs to the modified Harvard 8-bit family, where program and data memory use separate buses for predictable instruction throughput. Within the broader taxonomy, the PIC18F47Q83 sits between general-purpose 16-bit MCUs and 32-bit ARM Cortex-M parts - offering higher peripheral integration than baseline PIC16 devices while keeping the deterministic interrupt model of the PIC18 core. The PIC18F47Q83 targets CAN-connected and CIP-driven designs where software offloading to hardware saves code space and CPU cycles.
Key features include 128 KB self-programmable Flash with device firmware upgrade support, 13 KB SRAM, 1 KB EEPROM, 36 MHz internal oscillator (HFINTOSC) and PLL, hardware CAN FD peripheral, up to 35 channels of 12-bit ADC with computation, 5-bit/8-bit DAC, op-amp core, configurable logic cells (CLC), DMA, multiple UART/SPI/I2C, and 10-bit/12-bit PWM with complementary outputs. The 44-pin TQFP exposes 36 I/O pins with 5V-tolerant digital interfaces.
Typical applications include industrial automation controllers, automotive body and sensor ECUs, appliance and white-goods control boards, IoT gateways with CAN node connectivity, and battery management systems requiring deterministic CAN traffic. When designing with this device, ensure proper decoupling (100 nF ceramic plus bulk) on each VDD/VSS pair, follow Microchip AN1255 for Q83 family CIP configuration, and reserve a dedicated CAN transceiver footprint such as the MCP2562FD.
Drop-in alternatives for PIC18F47Q83-I/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC18F47Q83-I/PT (same form factor and footprint) — differing in DAC, Core, Package, ADC, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F47Q83-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F46Q84-E/P
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC18F47Q43-E/PT
✅ Drop-In✓ In Stock
$2.32 / Unit
View Datasheet →PIC18F47K42-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F47K40-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F47Q83-I/PT Maximum Ratings & Electrical Characteristics
| Core | PIC18 (8-bit, Enhanced Mid-Range) |
| Maximum CPU Frequency | 64 MHz |
| Program Memory (Flash) | 128 KB |
| Data SRAM | 13 KB |
| Data EEPROM | 1 KB |
| Package | 44-pin TQFP (10x10 mm) |
| Operating Voltage Range | 2.5 V to 5.5 V |
| Operating Temperature Range | -40C to +85C (Industrial, -I) |
| I/O Pins | 36 |
| ADC | 12-bit, up to 35 channels with computation |
| DAC | 5-bit and 8-bit |
| CAN | 1x CAN FD |
| UART/SPI/I2C | Multiple UART, SPI, I2C peripherals |
| PWM | 10/12-bit with complementary outputs |
| Core Independent Peripherals | CLC, DSM, op-amp core, DMA, math accelerator |
| Internal Oscillator | 36 MHz HFINTOSC with PLL |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount (TQFP) |
PIC18F47Q83-I/PT Pin Configuration
| Pin 1 | RA0/AN0 — PORTA bit 0 / ADC channel 0 |
| Pin 2 | RA1/AN1 — PORTA bit 1 / ADC channel 1 |
| Pin 3 | RA2/AN2 — PORTA bit 2 / ADC channel 2 |
| Pin 4 | RA3/AN3 — PORTA bit 3 / ADC channel 3 |
| Pin 5 | RA4/AN4 — PORTA bit 4 / ADC channel 4 |
| Pin 6 | RA5/AN5 — PORTA bit 5 / ADC channel 5 |
| Pin 7 | RA6/AN6 — PORTA bit 6 / ADC channel 6 |
| Pin 8 | RA7/AN7 — PORTA bit 7 / ADC channel 7 |
| Pin 9 | VSS — Ground reference |
| Pin 10 | VDD — Positive supply (2.5V to 5.5V) |
| Pin 11 | RB0/AN8 — PORTB bit 0 / ADC channel 8 |
| Pin 12 | RB1/AN9 — PORTB bit 1 / ADC channel 9 |
| Pin 13 | RB2/CANTX — PORTB bit 2 / CAN FD transmit |
| Pin 14 | RB3/CANRX — PORTB bit 3 / CAN FD receive |
| Pin 15 | RB4/AN10 — PORTB bit 4 / ADC channel 10 |
| Pin 16 | RB5/AN11 — PORTB bit 5 / ADC channel 11 |
| Pin 17 | RB6/ICSCLK — PORTB bit 6 / ICD clock |
| Pin 18 | RB7/ICSDAT — PORTB bit 7 / ICD data |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply |
| Pin 21 | RC0 — PORTC bit 0 |
| Pin 22 | RC1 — PORTC bit 1 |
| Pin 23 | RC2 — PORTC bit 2 |
| Pin 24 | RC3 — PORTC bit 3 |
| Pin 25 | RC4 — PORTC bit 4 |
| Pin 26 | RC5 — PORTC bit 5 |
| Pin 27 | RC6 — PORTC bit 6 |
| Pin 28 | RC7 — PORTC bit 7 |
| Pin 29 | VSS — Ground reference |
| Pin 30 | VDD — Positive supply |
| Pin 31 | RD0 — PORTD bit 0 |
| Pin 32 | RD1 — PORTD bit 1 |
| Pin 33 | RD2 — PORTD bit 2 |
| Pin 34 | RD3 — PORTD bit 3 |
| Pin 35 | RD4 — PORTD bit 4 |
| Pin 36 | RD5 — PORTD bit 5 |
| Pin 37 | RD6 — PORTD bit 6 |
| Pin 38 | RD7 — PORTD bit 7 |
| Pin 39 | VSS — Ground reference |
| Pin 40 | VDD — Positive supply |
| Pin 41 | RE0 — PORTE bit 0 |
| Pin 42 | RE1 — PORTE bit 1 |
| Pin 43 | RE2 — PORTE bit 2 |
| Pin 44 | RE3 — PORTE bit 3 |
Typical Applications
PIC18F47Q83-I/PT is suitable for 6 applications: Automotive Body and Sensor ECUs, Industrial Automation Controllers, Appliance and White-Goods Control, IoT Gateway with CAN Node Connectivity, Battery Management Systems (BMS), HVAC and Building Automation.
Automotive Body and Sensor ECUs
The PIC18F47Q83-I/PT's hardware CAN FD controller (ISO 11898-1:2015) and 64 MHz / 16 MIPS throughput make it ideal for body and sensor ECUs such as door modules, seat controllers, and lighting nodes. With 128 KB Flash and 13 KB SRAM the device can run a CANopen or J1939 lightweight stack while the 12-bit ADC with computation offloads sensor filtering to hardware via the math accelerator. The 2.5-5.5 V input range tolerates load-dump transients when paired with the MCP2562FD transceiver, and the -40C to +85C industrial range covers cabin installations.
Recommended
Industrial Automation Controllers
In PLC expansion modules and small PLCs, the PIC18F47Q83-I/PT delivers deterministic response via Core Independent Peripherals such as CLC and DSM, freeing the core from bit-banged logic. The 36 I/O pins support multiple sensor interfaces (SPI sensors, I2C ADC arrays, UART displays) while the math accelerator handles PID loop math at 64 MHz without CPU intervention. The 128 KB Flash hosts ladder-logic interpreters or Modbus RTU firmware, and the 44-pin TQFP footprint eases integration into compact DIN-rail modules.
Recommended
Appliance and White-Goods Control
Washing machines, dishwashers and induction cooktops benefit from the PIC18F47Q83-I/PT's 12-bit ADC with computation, op-amp core and configurable logic cells that handle zero-cross detection, motor current sensing and triac driving without external glue logic. The 128 KB Flash accommodates multi-language UI tables and complex motor-control state machines, while the 13 KB SRAM enables waveform buffers for closed-loop control. The 5V-tolerant I/O simplifies interface to legacy triac drivers.
Recommended
IoT Gateway with CAN Node Connectivity
Industrial IoT gateways aggregate CAN traffic from sensors and forward to Ethernet or Wi-Fi uplinks. The PIC18F47Q83-I/PT's CAN FD peripheral plus its multiple UART/SPI/I2C instances let it bridge a CAN sub-network to an external ESP32 or W5500 Ethernet controller while running local aggregation logic in 128 KB Flash. The math accelerator scales and timestamps incoming CAN frames at 1 Mbit/s with low CPU load, and the DMA engine moves ADC samples directly to RAM without ISR overhead.
Recommended
Battery Management Systems (BMS)
Multi-cell battery monitoring boards use the PIC18F47Q83-I/PT's 12-bit ADC with up to 35 channels to read individual cell voltages plus pack current via a shunt amplifier. The math accelerator computes SOC/SOH cells in hardware while the 1 KB EEPROM logs lifetime counters and the CAN FD peripheral reports pack telemetry to the vehicle or inverter master. The 64 MHz core ensures deterministic 10 ms control loops even with 12 cells scanned sequentially.
Recommended
HVAC and Building Automation
Variable Refrigerant Volume (VRV/VRF) HVAC controllers and building automation nodes use the PIC18F47Q83-I/PT to run BACnet MS-TP or Modbus RTU on a UART while monitoring temperature/humidity via I2C sensors. The 13 KB SRAM hosts protocol buffers, the math accelerator handles PID loops for damper control, and the 2.5-5.5 V range supports 24 VAC rectified supplies. The 44-pin TQFP simplifies multi-board controller designs with shared firmware across variants.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F47Q83-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F47Q83-E/PT | PIC18F46Q84-E/P | PIC18F47Q43-E/PT | PIC18F47K42-I/PT | PIC18F47K40-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 | TQFP-44 - same | PDIP-40 - different footprint | TQFP-44 - same | TQFP-44 - same | TQFP-44 - same |
| CPU Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Flash Memory | 128 KB | 128 KB | 64 KB | 128 KB | 128 KB | 128 KB |
| RAM | 13 KB | 13 KB | 8 KB | 13 KB | 8 KB | 3.6 KB |
| CAN FD | Yes (1x) | Yes (1x) | Yes (1x) | Yes (1x) | No | No |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| DMA Controller | Yes | Yes | Yes | Yes | Yes | No |
Key Differentiators
- Hardware CAN FD vs CAN 2.0B only on K-series siblings (vs PIC18F47K40-I/PT)
- Math accelerator off-loads DSP from the core (vs PIC18F47K42-I/PT)
- Same die available in extended -40C to +125C variant (vs PIC18F47Q83-E/PT)
Design Notes
Decouple each VDD/VSS pair with a 100 nF X7R ceramic capacitor placed within 5 mm of the pin, plus a 10 uF bulk capacitor on the board's main 3.3 V or 5 V rail. The PIC18F47Q83-I/PT has four VDD/VSS pairs (pins 9-10, 19-20, 29-30, 39-40); failure to decouple every pair can cause ADC noise and CAN bit-rate jitter. Brown-out reset must be enabled in CONFIG1 for safe power-up behavior.
Route the CANH/CANL differential pair to RB2/CANTX and RB3/CANRX with a 120 ohm characteristic impedance and keep traces matched within 5 mm. Place the MCP2562FD transceiver within 25 mm of the MCU CAN pins, and keep the bus away from switching nodes to maintain CISPR 25 EMC margins. The 44-pin TQFP exposed pad (if present on datasheet rev) should be soldered to a continuous ground pour for thermal dissipation.
PPS (Peripheral Pin Select) assignments must be unlocked and configured before alternate functions become active; the default POR state assigns most pins to GPIO. Ensure the ADC channel used by the math accelerator is enabled in software, otherwise averaging hardware runs but does not store results. When migrating code from PIC18F46K22 or K40, the register map differs - re-validate CONFIG bits and PPS locking sequence per Microchip AN1255.
Compliance Information
RoHS compliant per Microchip product page. Industrial temperature grade (-I) is not AEC-Q100 qualified; for AEC-Q100 automotive grade consult Microchip's auto-qualified PIC18 portfolio separately.