PIC18F25K83-E/SS - 64MHz 8-bit MCU, 32KB Flash, CAN, 28-SSOP | Microchip
MPN: PIC18F25K83-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.55 | $3.55 |
| 10 | $3.2 | $32.00 |
| 100 | $2.85 | $285.00 |
| 500 | $2.55 | $1,275.00 |
| 1,000 | $2.28 | $2,280.00 |
PIC18F25K83-E/SS Overview
A PIC18F-series 8-bit MCU is a CISC/RISC hybrid microcontroller built around the PIC Harvard architecture, enhanced instruction set, and Core Independent Peripherals (CIPs). It sits in the hierarchy: PIC18F -> 8-bit PIC MCU -> PIC microcontroller -> microcontroller -> embedded computing. The K83 generation specifically adds an integrated CAN module (CAN FD capable), a 12-bit differential ADC² with Capacitive Voltage Divider (CVD) hardware, and vectored interrupt controller with fixed latency for deterministic real-time response.
Key features include a maximum CPU clock of 64 MHz (16 MIPS), 25 general-purpose I/O pins, an 8-channel 12-bit ADC² with hardware oversampling and CVD for capacitive touch, one CAN FD module, one I²C, two SPI/I²S, two UART modules, a 5-bit DAC, and four 16-bit timers. Power-saving features include nanoWatt XLP technology with typical idle current under 1 µA, sleep current under 100 nA, and an operating voltage range of 2.3 V to 5.5 V supporting both 3.3 V and 5 V rails.
The PIC18F25K83 family combines Core Independent Peripherals with a CAN bus interface, allowing offloading of touch sensing, signal conditioning, and communication tasks from the CPU. Hardware CVD automates capacitive touch measurements, the DMA-capable ADC² performs averaging and thresholding autonomously, and CIPs such as the CWG, NCO, and PWM modules allow motor control and waveform generation without CPU intervention, making the K83 well suited for real-time industrial and automotive body-control designs.
Typical applications include capacitive touch human-machine interfaces, CAN node industrial controllers, automotive body and lighting modules, sensor hub platforms, low-power IoT edge nodes, and small motor or fan control subsystems. Designers should pick this part when they need CAN connectivity plus integrated touch in a compact SSOP footprint.
A key design consideration is decoupling: place 100 nF and 1 µF ceramic capacitors as close as possible to VDD/AVDD pins, route the 32.768 kHz crystal traces short and guarded, and keep the CAN bus 120 Ω termination accurate to maintain signal integrity on industrial networks. The 28-SSOP package also requires thermal relief on the PCB pad for hand rework.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, delivering engineering value beyond the standalone 28-pin 8-bit MCU documentation.
Drop-in alternatives for PIC18F25K83-E/SS — 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 PIC18F25K83-E/SS (same form factor and footprint) — differing in ADC, Package, DAC, Comparators, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F25K83-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F26K83-E/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F25K80-I/SS
✅ Drop-In✓ In Stock
$1.45 / Unit
View Datasheet →PIC18F25K42-E/SS
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC18F25K40-E/SS
✅ Drop-In✓ In Stock
$1.89 / Unit
View Datasheet →PIC18F25K22-E/SS
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →PIC18F25K83-E/SS Maximum Ratings & Electrical Characteristics
| Device Family | PIC18F25K83 |
| CPU Core | PIC18 8-bit RISC |
| Maximum CPU Clock | 64 MHz |
| Instruction Throughput | 16 MIPS |
| Program Memory (Flash) | 32 KB (16K x 16) |
| Data RAM | 2 KB |
| Data EEPROM | 1 KB |
| I/O Pins | 25 |
| ADC | 12-bit ADC² with CVD, hardware oversampling |
| CAN Module | 1 x CAN FD |
| Serial Interfaces | 2x UART, 2x SPI/I²S, 1x I²C |
| Timers | 4 x 16-bit |
| DAC | 1 x 5-bit |
| Operating Voltage | 2.3 V to 5.5 V |
| Operating Temperature | -40 °C to +125 °C (Extended, -E suffix) |
| Package | 28-pin SSOP (/SS) |
| Core Independent Peripherals (CIPs) | Yes (CWG, NCO, DMA-capable ADC², CLC) |
| RoHS Status | Compliant |
| MSL Level | MSL3 (per JEDEC J-STD-020) |
| XLP nanoWatt Technology | Yes |
PIC18F25K83-E/SS Pin Configuration
| Pin 1 | MCLR/RE3 — Master Clear (Reset) input or digital I/O RE3 |
| Pin 2 | RA0 — Bidirectional I/O with analog AN0 |
| Pin 3 | RA1 — Bidirectional I/O with analog AN1 |
| Pin 4 | RA2 — Bidirectional I/O with analog AN2 |
| Pin 5 | RA3 — Bidirectional I/O with analog AN3 |
| Pin 6 | RA4 — Bidirectional I/O with analog AN4 |
| Pin 7 | RA5 — Bidirectional I/O with analog AN5 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RA7 — Bidirectional I/O with analog AN7 |
| Pin 10 | RA6 — Bidirectional I/O with analog AN6 |
| Pin 11 | RC0 — Bidirectional I/O; SOSCO crystal output |
| Pin 12 | RC1 — Bidirectional I/O; SOSCI crystal input |
| Pin 13 | RC2 — Bidirectional I/O |
| Pin 14 | RC3 — Bidirectional I/O; SCL1 |
| Pin 15 | RC4 — Bidirectional I/O; SDA1 |
| Pin 16 | RC5 — Bidirectional I/O |
| Pin 17 | RC6 — Bidirectional I/O; TX/CK |
| Pin 18 | RC7 — Bidirectional I/O; RX/DT |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage |
| Pin 21 | RB0 — Bidirectional I/O with interrupt-on-change |
| Pin 22 | RB1 — Bidirectional I/O with interrupt-on-change |
| Pin 23 | RB2 — Bidirectional I/O with interrupt-on-change |
| Pin 24 | RB3 — Bidirectional I/O with interrupt-on-change |
| Pin 25 | RB4 — Bidirectional I/O with interrupt-on-change |
| Pin 26 | RB5 — Bidirectional I/O with interrupt-on-change |
| Pin 27 | RB6 — Bidirectional I/O; ICD PGC |
| Pin 28 | RB7 — Bidirectional I/O; ICD PGD |
Typical Applications
PIC18F25K83-E/SS is suitable for 6 applications: Capacitive Touch HMI, CAN Node Industrial Controller, Automotive Body and Lighting Module, Low-Power IoT Edge Sensor Node, Small Motor / Fan Control, Sensor Hub and Signal Conditioner.
Capacitive Touch HMI
The PIC18F25K83-E/SS is purpose-built for capacitive touch human-machine interfaces thanks to its integrated 12-bit ADC² with Capacitive Voltage Divider (CVD) hardware. The ADC² automates averaging, filtering, oversampling, and threshold comparison, offloading touch scanning from the CPU entirely. Combined with Microchip's mTouch firmware, the MCU supports up to 25 touch channels in the SSOP-28 footprint, ideal for appliance panels, smart locks, and industrial control keypads. Power consumption stays under 1 µA idle via nanoWatt XLP, supporting battery-powered touch remotes.
Recommended
CAN Node Industrial Controller
The PIC18F25K83-E/SS integrates a CAN FD module, supporting both classic CAN 2.0B and CAN FD protocols at bit rates up to 1 Mbps. This allows the MCU to serve as a CANopen, DeviceNet, or J1939 node on industrial networks without an external CAN controller IC. The 32 KB Flash accommodates CANopen stack libraries while 2 KB RAM handles PDO buffers. Paired with a Microchip MCP2551 or MCP2562 transceiver, the part forms a complete industrial CAN node in a compact 28-SSOP footprint.
Recommended
Automotive Body and Lighting Module
The PIC18F25K83-E/SS extended -40 °C to +125 °C temperature grade suits automotive body controllers, lighting modules, and HVAC actuators. With 16 MIPS throughput and CIPs handling PWM for LED dimming, the part can drive multiple lighting channels while simultaneously managing LIN or CAN communication. Hardware CVD enables touch-sensitive interior controls. While not AEC-Q100 qualified, the '-E' temperature grade operates in cabin and underhood environments adjacent to AEC-Q100 deployments.
Recommended
Low-Power IoT Edge Sensor Node
With nanoWatt XLP idle current under 1 µA and sleep current under 100 nA, the PIC18F25K83-E/SS serves as an efficient IoT edge sensor node processor. The 12-bit ADC² with hardware oversampling captures sensor data while the CPU sleeps. The 1 KB EEPROM stores calibration constants, and 32 KB Flash accommodates Microchip's MPLAB XC8 compiled firmware. Operating from 2.3 V to 5.5 V allows direct battery connection from 2x AA cells or a single Li-Ion cell, simplifying power tree design.
Recommended
Small Motor / Fan Control
The PIC18F25K83-E/SS combines 16 MIPS throughput with motor-control CIPs including the Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and configurable logic cells (CLC). These peripherals drive brushless DC (BLDC) and stepper motor commutation tables autonomously while the CPU handles higher-level control loops. The 4x 16-bit timers and 5-bit DAC enable sensorless BEMF detection, while the 28-SSOP package fits compact fan and pump controller PCBs.
Recommended
Sensor Hub and Signal Conditioner
The PIC18F25K83-E/SS 12-bit ADC² with hardware oversampling and threshold detection excels as a sensor hub aggregating analog sensor inputs. The vectored interrupt controller with fixed latency guarantees deterministic response to time-critical sensor events. Combined with the 5-bit DAC for sensor excitation and 25 I/O for digital sensor interfacing, the MCU replaces multiple dedicated signal-conditioning ICs. The 32 KB Flash holds sensor-fusion firmware while 2 KB RAM buffers high-rate ADC sample streams.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F25K83-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F25K83-I/SS | PIC18F26K83-E/SS | PIC18F25K80-I/SS | PIC18F25K42-E/SS | PIC18F25K40-E/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SSOP-28 (/SS) | SSOP-28 (/SS) - same | SSOP-28 (/SS) - same | SSOP-28 (/SS) - same | SSOP-28 (/SS) - same | SSOP-28 (/SS) - same |
| CPU Clock / MIPS | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS |
| Flash / RAM / EEPROM | 32 KB / 2 KB / 1 KB | 32 KB / 2 KB / 1 KB | 64 KB / 2 KB / 1 KB | 32 KB / 2 KB / 1 KB | 32 KB / 2 KB / 256 B | 32 KB / 2 KB / 1 KB |
| CAN Module | CAN FD | CAN FD | CAN FD | CAN 2.0B (no FD) | No CAN | No CAN |
| ADC | 12-bit ADC² + CVD | 12-bit ADC² + CVD | 12-bit ADC² + CVD | 10-bit ADC | 12-bit ADC | 10-bit ADC |
| Operating Temperature | -40 °C to +125 °C (E grade) | -40 °C to +85 °C (I grade) | -40 °C to +125 °C (E grade) | -40 °C to +85 °C (I grade) | -40 °C to +125 °C (E grade) | -40 °C to +125 °C (E grade) |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 1.8 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
Key Differentiators
- Integrated CAN FD module eliminates external CAN controller (vs PIC18F25K40-E/SS)
- 12-bit ADC² with CVD enables hardware capacitive touch sensing (vs PIC18F25K80-I/SS)
- Higher memory density doubles Flash for firmware-rich designs (vs PIC18F25K22-E/SS)
Design Notes
Decouple VDD and AVDD each with 100 nF + 1 µF ceramic capacitors placed as close to the pins as possible; route power traces wide (>= 0.5 mm) to handle inrush during Flash programming. The PIC18F25K83-E/SS core draws up to 15 mA at 64 MHz with peripherals active; the regulated core allows direct 3.3 V or 5 V supply. For battery-powered designs, switch to nanoWatt XLP sleep (SLEEP < 100 nA) between touch scans to extend battery life.
Route the 32.768 kHz SOSC crystal traces short (< 5 mm) and symmetric, surrounded by a ground guard ring to reduce noise coupling. Place the MCLR pull-up (10 kΩ) close to the MCLR pin and add an in-line diode or TVS if the design will be exposed to ESD events. Keep the CAN TX/RX traces matched in length and impedance-controlled (typically 120 Ω differential) per ISO 11898 if a CAN transceiver is fitted.
Do not confuse '-E' (Extended, -40 to +125 °C) with '-I' (Industrial, -40 to +85 °C) when ordering - the temperature grades are not interchangeable across all deployments. The ICD PGC/PGD pins (RB6/RB7) must be accessible for in-circuit debugging; do not lock RB6/RB7 as outputs in configuration bits. Finally, ensure CONFIG words are explicitly set to disable unused peripherals (WDT, BOR, etc.) for lowest power and reliable start-up behavior.
Estimated: at 64 MHz with all peripherals active and 5.0 V supply, the PIC18F25K83-E/SS core dissipates approximately 75 mW. The SSOP-28 package has thermal resistance theta_JA around 95 °C/W, so the junction rise above ambient is roughly 7 °C at full activity. At +125 °C ambient the junction reaches +132 °C, well below the +150 °C absolute maximum - but the design should still provide thermal relief on the PCB land for production thermal cycling.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - extended temperature grade (-E) supports -40 to +125 °C operation but does not carry AEC-Q100 certification. For AEC-Q100 qualified alternatives in the PIC18 family, consult Microchip's automotive-grade PIC18F K-series variants.
