PIC18F1330-E/P - 8KB Flash, 25MHz 8-bit MCU w/ PWM | Microchip
MPN: PIC18F1330-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.78 | $47.80 |
| 100 | $4.05 | $405.00 |
| 500 | $3.55 | $1,775.00 |
| 1,000 | $3.1 | $3,100.00 |
PIC18F1330-E/P Overview
An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that combines a CPU, program memory (Flash/ROM), data memory (RAM), and programmable I/O peripherals on a single die. Within the Microchip taxonomy the PIC18F1330 sits at the hierarchy: PIC18F1330 -> PIC18F MCU family -> 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor IC. Its nanoWatt technology sits alongside peers such as PIC16F and dsPIC33F, but is differentiated by the on-chip 10-bit high-speed PWM engine for switching power conversion and motor drive.
The PIC18F1330's core features a Harvard RISC architecture with 16-bit instructions and an 8-bit data path, 75 instructions total, and direct/indirect addressing modes that simplify C and assembly firmware development. Enhanced Flash cells permit >10K erase/write cycles per block, while the nanoWatt Manager offers multiple idle and sleep modes that drop quiescent current to microampere levels. The integrated 10-bit ADC with up to 4 channels supports motor current sensing, and the Motion Feedback Module (MFM) generates zero-crossing and timing events without CPU intervention. Supply voltage spans 4.2V to 5.5V for standard Enhanced-Flash 'F' variants such as the PIC18F1330.
Typical applications include sensorless and sensored BLDC/PMSM fan and pump motor control, small appliance drives, 3-phase sinusoidal or trapezoidal commutation stages, and low-cost PWM-driven switching regulators. The 18-pin PDIP package is well suited to through-hole prototype boards and hobbyist motor-control projects. The internal 8 MHz oscillator eliminates an external crystal in many cost-sensitive designs.
When laying out a board, place a 0.1uF decoupling capacitor as close as possible to VDD and reserve a bulk capacitor on the analog AVDD rail. Connect unused I/O pins to defined logic levels (do not leave them floating) to keep ICC current low. Select the appropriate oscillator mode (HFINTOSC vs. external crystal) to balance EMI performance against timing accuracy, and configure the MFM registers early in firmware init before enabling the PWM output.
Drop-in alternatives for PIC18F1330-E/P — 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 PIC18F1330-E/P (same form factor and footprint) — differing in PWM Module, Package, Mounting Type, A/D Converter, Analog Comparators.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F1330-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F1230-I/P
✅ Drop-In✓ In Stock
$3.05 / Unit
View Datasheet →PIC18F1330-E/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC18F1320-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F1330-I/SS
✅ Drop-In✓ In Stock
$2.1 / Unit
View Datasheet →PIC18F1330-E/P Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC18 Harvard RISC |
| Instruction Set Size | 75 instructions (16-bit opcodes) |
| Program Memory (Flash) | 8 KB (4K x 16) |
| RAM | 256 bytes |
| Maximum CPU Frequency | 25 MHz (10 MIPS) |
| Internal Oscillator | 8 MHz HFINTOSC (factory calibrated) |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 16 |
| 10-bit ADC | Up to 4 channels |
| PWM Module | 10-bit, up to 6 channels (Power Control PWM) |
| Analog Comparators | 3 |
| Communication | 1x LIN-capable Enhanced USART |
| Motion Feedback Module (MFM) | Yes (sensorless BLDC support) |
| Timers | 3 (Timer0/1/2) |
| Package | 18-pin PDIP (DIP-18) |
| Operating Temperature Range | -40C to +125C (Extended, 'E' suffix) |
| Mounting Type | Through-Hole (THT) |
| Lead-Free / RoHS | Lead-Free / RoHS compliant |
PIC18F1330-E/P Pin Configuration
| Pin 1 | RA2/AN2/VREF- — Port A bit 2 / analog input 2 / DAC negative reference |
| Pin 2 | RA3/AN3/VREF+ — Port A bit 3 / analog input 3 / DAC positive reference |
| Pin 3 | RA4/AN4 — Port A bit 4 / analog input 4 |
| Pin 4 | RA5/T1CKI/FLTA — Port A bit 5 / Timer1 clock input / PWM fault A |
| Pin 5 | VSS — Ground |
| Pin 6 | OSC1/CLKI/RA7 — Crystal input / external clock input / Port A bit 7 |
| Pin 7 | OSC2/CLKO/RA6 — Crystal output / clock output / Port A bit 6 |
| Pin 8 | RC0/PWM1 — Port C bit 0 / PWM1 output |
| Pin 9 | RC1/PWM2 — Port C bit 1 / PWM2 output |
| Pin 10 | RC2/PWM3 — Port C bit 2 / PWM3 output |
| Pin 11 | RC3/PWM4 — Port C bit 3 / PWM4 output |
| Pin 12 | RC4/PWM5 — Port C bit 4 / PWM5 output |
| Pin 13 | RC5/PWM6 — Port C bit 5 / PWM6 output |
| Pin 14 | RC6/TX/CK — Port C bit 6 / USART TX / USART clock |
| Pin 15 | RC7/RX/DT — Port C bit 7 / USART RX / USART data |
| Pin 16 | RB0/INT0/C1IN+ — Port B bit 0 / external interrupt 0 / comparator 1 input + |
| Pin 17 | RB1/INT1/C1IN- — Port B bit 1 / external interrupt 1 / comparator 1 input - |
| Pin 18 | VDD — Positive supply voltage |
Typical Applications
PIC18F1330-E/P is suitable for 7 applications: Sensorless BLDC Fan/Pump Motor Control, Brushed-DC Motor Speed Control, 3-Phase Sinusoidal/Trapezoidal Commutation, LED Lighting PWM Dimmer, Low-Cost Switching Regulator Controller, Small Appliance Control Board, Hobbyist Motor-Control Prototyping.
Sensorless BLDC Fan/Pump Motor Control
The PIC18F1330-E/P is purpose-built for sensorless BLDC and PMSM motor drives because its integrated Motion Feedback Module (MFM) generates zero-crossing and timing events without CPU intervention, while the 10-bit high-speed PWM with up to 6 channels delivers the complementary switching signals required for three-phase bridges. In a typical 24V/3A fan drive the MCU samples back-EMF through one of three internal analog comparators, the MFM calculates commutation events, and the firmware toggles PWM duty for closed-loop speed regulation; the 8 KB Flash accommodates state-machine plus lookup tables. Compared with discrete analog BLDC controllers, the integrated MCU approach simplifies BOM and allows firmware tuning of ramp profiles, fail-safe braking, and soft-start behaviour.
Recommended
Brushed-DC Motor Speed Control
The PIC18F1330-E/P drives brushed-DC motors up to several amps using the 10-bit PWM as a single-channel H-bridge command signal, with feedback from the 10-bit ADC monitoring motor current or back-EMF. At 25 MHz the control loop executes in well under 100 us, enabling smooth acceleration profiles; nanoWatt idle modes drop standby current to microamps for battery-powered applications. Compared with a 555-timer-based PWM controller, the PIC18F1330-E/P offers programmable soft-start, fault handling, and serial telemetry through its LIN-capable USART, all in the same 18-pin PDIP footprint engineers use for prototyping.
Recommended
3-Phase Sinusoidal/Trapezoidal Commutation
Three-phase sinusoidal or trapezoidal commutation stages use the PIC18F1330-E/P's six PWM channels to drive three half-bridges with proper dead-band control. The MFM and three internal comparators provide the timing feedback needed for sinusoidal commutation, while the 10-bit ADC handles rotor-position interpolation. For a 36V/2A pump drive the MCU can switch at 20 kHz PWM while the sine lookup fits easily into the 8 KB Flash; the 256-byte RAM is sufficient for state variables and one PID loop. Compared with PIC16F alternatives, the PIC18F1330-E/P's higher instruction throughput and dedicated PWM peripheral eliminate CPU stalls during commutation.
Recommended
LED Lighting PWM Dimmer
LED dimmers and color-mixing fixtures leverage the PIC18F1330-E/P's 10-bit PWM for smooth, flicker-free dimming across multiple channels (RGB or RGBW), with the ADC monitoring temperature or light-level feedback. The internal 8 MHz oscillator keeps BOM small, while nanoWatt sleep modes reduce standby draw below 1 uA for mains-powered fixtures required to meet energy standards. Compared with discrete NE555 PWM controllers, the PIC18F1330-E/P provides logarithmic dimming curves, fade effects, and DMX/LIN command handling through its USART, all from a single 18-pin PDIP.
Recommended
Low-Cost Switching Regulator Controller
Switching regulator controller applications exploit the PIC18F1330-E/P's 10-bit PWM, fast comparator, and ADC to build digital-control buck/boost converters. With a 25 MHz CPU the firmware can run a 100 kHz voltage-mode control loop with adequate margin, and the 10-bit ADC samples output voltage for closed-loop regulation. The internal 8 MHz HFINTOSC and nanoWatt idle modes keep total BOM cost low for non-isolated point-of-load regulators. Compared with dedicated PWM controller ICs like the UC3842, the PIC18F1330-E/P adds programmability, telemetry, and fault logging in the same 18-pin PDIP form factor.
Recommended
Small Appliance Control Board
Small home appliances such as blenders, kitchen hoods, and air purifiers use the PIC18F1330-E/P as the central controller for motor speed, user-interface button scanning, and sensor reads. The 16 I/O pins accommodate keypads, status LEDs, and rotary encoders; the LIN-capable USART enables simple appliance networking. With 8 KB Flash and 256 bytes RAM the firmware fits a state machine plus modest menu logic. Compared with discrete logic ICs, the PIC18F1330-E/P reduces PCB area, simplifies EMC compliance through programmable slew, and provides firmware-upgrade capability for product variants.
Recommended
Hobbyist Motor-Control Prototyping
Educational and hobbyist motor-control projects benefit from the PIC18F1330-E/P's through-hole 18-pin PDIP package, which is breadboard-friendly and supports hand-soldering. The MPLAB X IDE plus PICkit 5 programmer provides a free firmware toolchain with motor-control libraries and example projects. Students and makers can prototype sensorless BLDC drivers, brushed-DC H-bridges, and PWM regulators without SMD reflow equipment. Compared with surface-mount PIC18F1330-I/SS variants, the PDIP is far easier for first-time users and small-batch educational kits.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F1330-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F1330-I/P | PIC18F1230-I/P | PIC18F1320-I/P | PIC18F1330-I/SS | PIC18F1330-E/SP |
|---|---|---|---|---|---|---|
| Package | 18-pin PDIP (DIP-18) | 18-pin PDIP (DIP-18) - same | 18-pin PDIP (DIP-18) - same | 18-pin PDIP (DIP-18) - same | 20-pin SSOP (different footprint) | 18-pin PDIP (SPDIP) - extended |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 8 KB | 8 KB - same | 4 KB (-50%) | 8 KB - same | 8 KB - same | 8 KB - same |
| RAM | 256 bytes | 256 bytes - same | 128 bytes (-50%) | 256 bytes - same | 256 bytes - same | 256 bytes - same |
| Maximum CPU Frequency | 25 MHz (10 MIPS) | 25 MHz - same | 25 MHz - same | 40 MHz (faster) | 25 MHz - same | 25 MHz - same |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| Motion Feedback Module (MFM) | Yes | Yes - same | Yes - same | No (older generation) | Yes - same | Yes - same |
| PWM Channels | 6 (10-bit) | 6 - same | 6 - same | 2 (CCP) - reduced | 6 - same | 6 - same |
Key Differentiators
- Higher Flash and RAM than predecessor PIC18F1320 (vs PIC18F1320-I/P)
- Extended temperature range versus industrial-grade sibling (vs PIC18F1330-I/P)
- Motion Feedback Module and 10-bit high-speed PWM (vs PIC18F1230-I/P)
Design Notes
Place a 0.1 uF decoupling capacitor as close as possible to the VDD pin (pin 18) and a bulk 10 uF tantalum or aluminum electrolytic on the AVDD rail. For motor-control applications with high-current switching, add an additional 1 uF ceramic bypass across VDD-VSS to suppress PWM-induced supply transients. The PIC18F1330-E/P operates from 4.2V to 5.5V; below 4.2V use the PIC18LF1330 low-voltage variant instead.
At 25 MHz CPU and full I/O switching the PIC18F1330-E/P typically dissipates around 100 mW internally; the 18-pin PDIP has a thermal resistance of approximately 70 C/W junction-to-ambient, yielding a 7C rise at 100 mW. Forced airflow is rarely needed but avoid placing the MCU directly next to a hot MOSFET or rectifier. Keep AVDD and VDD traces short and use a ground plane on the bottom layer to spread heat and reduce ground bounce.
Do not leave unused I/O pins floating; configure them as outputs or inputs with internal weak pull-ups to minimize leakage current. The Motion Feedback Module (MFM) requires firmware initialization before enabling PWM outputs - calling PWM_Start() before MFM_Init() can cause spurious commutation events. Verify your configuration bits select the correct oscillator mode (HFINTOSC vs. external crystal) to avoid firmware lock-out if programming without ICSP enabled.
Keep PWM output traces (RC0-RC5) short and away from analog signal traces to minimize capacitive coupling into the ADC inputs. For three-phase BLDC drives, route the three high-side and three low-side gate-drive signals in matched-length pairs to within 5 mm; this minimizes dead-time mismatch and reduces switching losses. Place the ICSP programming header (ICSPDAT/ICSPCLK) on a 0.1 inch pitch accessible from the board edge for in-circuit programming.
Compliance Information
Microchip PIC18F family is RoHS/REACH compliant and lead-free. AEC-Q100 qualification is not standard for this part; check PIC18F1330-E/P automotive variants with full Q100 paperwork before AEC-qualified deployments.
