PIC16F18323-E/P - 8-Bit MCU, 32MHz, 3.5KB Flash, 14-PDIP | Microchip
MPN: PIC16F18323-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.45 | $1.45 |
| 10 | $1.28 | $12.80 |
| 100 | $1.05 | $105.00 |
| 500 | $0.89 | $445.00 |
| 1,000 | $0.78 | $780.00 |
PIC16F18323-E/P Overview
A microcontroller (MCU) is a single-chip computer containing a processor, memory, and input/output peripherals, and the 8-bit class represented by PIC16F parts targets cost-sensitive, deterministic, low-power embedded control applications. Microcontrollers belong to the broader category of embedded computing devices and serve as the active logic element in everything from consumer appliances to industrial sensors. The PIC16F18323-E/P's XLP (eXtreme Low Power) technology provides nanoWatt sleep currents below 50 nA typical, extending battery life in energy-harvesting and IoT applications.
Key features of the PIC16F18323-E/P include operating voltage from 2.3 V to 5.5 V, eleven shared GPIO pins with interrupt-on-change, internal 32 MHz oscillator with ±1% accuracy after calibration, and a wide industrial temperature range of -40°C to +125°C. The device supports in-circuit serial programming (ICSP) and offers code protection and a brown-out reset (BOR) for reliable field deployment. The 14-pin PDIP package is preferred for through-hole prototyping, breadboarding, and education.
Typical applications include IoT sensor nodes, battery-powered remote controls, small home appliances, LED lighting controllers, low-end motor control, and general-purpose embedded control. The PPS, CLC, and CWG peripherals make it particularly suited for custom waveform generation and sensor signal conditioning. When designing with this part, route the ICSPDAT/ICSPCLK pins to a debug header for in-circuit programming and consider placing a 100 nF decoupling capacitor within 5 mm of the VDD pin to ensure stable operation across temperature.
Drop-in alternatives for PIC16F18323-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 PIC16F18323-E/P (same form factor and footprint) — differing in ADC, Package, Core Independent Peripherals, I/O Pins, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18324-E/P
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16F18326-E/P
✅ Drop-In✓ In Stock
$0.95 / Unit
View Datasheet →PIC16F18323-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18325-E/P
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F1823-E/P
✅ Drop-In✓ In Stock
$1.24 / Unit
View Datasheet →PIC16F18323-E/P Maximum Ratings & Electrical Characteristics
| Core | PIC16 (Enhanced Mid-Range 8-bit RISC) |
| Maximum CPU Frequency | 32 MHz |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data SRAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Operating Voltage (VDD) | 2.3 V to 5.5 V |
| GPIO Pins | 11 |
| ADC | 10-bit, up to 11 channels |
| DAC | 5-bit |
| Comparators | 2 |
| PWM Channels | 10-bit, multiple outputs |
| Communication Interfaces | I2C, SPI, EUSART |
| Core Independent Peripherals | CLC, NCO, CWG, CCP |
| Peripheral Pin Select (PPS) | Yes |
| Package | 14-pin PDIP |
| Operating Temperature | -40C to +125C (Industrial) |
| Mounting Type | Through-Hole |
| RoHS Status | Compliant |
PIC16F18323-E/P Pin Configuration
| Pin 1 | VDD — Positive power supply |
| Pin 2 | RA5 — Bidirectional I/O / analog input |
| Pin 3 | RA4 — Bidirectional I/O / analog input |
| Pin 4 | RA3/MCLR — I/O or Master Clear (reset) input |
| Pin 5 | RC5 — Bidirectional I/O / analog input |
| Pin 6 | RC4 — Bidirectional I/O / analog input |
| Pin 7 | RC3 — Bidirectional I/O / analog input |
| Pin 8 | RC2 — Bidirectional I/O / analog input |
| Pin 9 | RC1 — Bidirectional I/O / analog input |
| Pin 10 | RC0 — Bidirectional I/O / analog input |
| Pin 11 | RA1 — Bidirectional I/O / analog input |
| Pin 12 | RA0 — Bidirectional I/O / analog input |
| Pin 13 | RA2 — Bidirectional I/O / analog input |
| Pin 14 | VSS — Ground reference |
Typical Applications
PIC16F18323-E/P is suitable for 6 applications: IoT Sensor Node, Battery-Powered Remote Control, Small Home Appliance Controller, LED Lighting Controller, Low-End BLDC Motor Control, Industrial Sensor Transmitter.
IoT Sensor Node
The PIC16F18323-E/P fits battery-powered IoT sensor nodes thanks to its XLP nanoWatt sleep currents (typically below 50 nA in deep sleep), 32 MHz processing headroom for on-sensor filtering, and 3.5 KB Flash to run small protocol stacks like Modbus RTU or LoRaWAN device drivers. The 10-bit ADC with computation (ADC2) performs oversampling and averaging in hardware without waking the CPU, dramatically reducing active-mode energy. Peripheral Pin Select (PPS) lets designers route I2C, SPI, and UART to any digital pin, simplifying PCB layout when adding sensors. Compared with a discrete op-amp + ADC chain, this part integrates acquisition, conditioning, and communication in one 14-pin PDIP, cutting BOM cost and standby current in remote environmental monitoring deployments.
Recommended
Battery-Powered Remote Control
The PIC16F18323-E/P is well suited for handheld remote controls because its sleep current below 50 nA combined with 32 MHz active MIPS allows years of operation from a coin cell. Its 11 GPIO can matrix-scan up to a 4x4 keypad directly, while the CWG peripheral generates IR carrier waveforms without CPU load. Wake-on-interrupt sources include IOC (interrupt-on-change), comparators, and a real-time clock from Timer1, so the device spends nearly all of its life in deep sleep. The 256-byte EEPROM stores pairing codes and user settings across power cycles. With the 14-pin PDIP package, designers can prototype on breadboard and transition the same firmware to a smaller SMD variant later without code changes.
Recommended
Small Home Appliance Controller
Small kitchen and home appliances benefit from the PIC16F18323-E/P's combination of 10-bit PWM outputs for motor speed or heater control, two comparators for overcurrent detection, and a 5-bit DAC for setpoint references. The CWG peripheral can generate complementary PWM with dead-band control for half-bridge drivers, eliminating software timing jitter. Operating from 2.3 V to 5.5 V allows direct connection to 2- or 3-cell alkaline batteries. The industrial -40C to +125C temperature range ensures reliable operation near heating elements. Its 256-byte EEPROM retains user preferences across power loss without needing an external serial EEPROM chip.
Recommended
LED Lighting Controller
The PIC16F18323-E/P is ideal for LED lighting drivers that need fine dimming and color-mixing control. Its 10-bit PWM can be frequency-shifted via the PWM peripheral to avoid audible noise, and the CWG combined with the NCO produces precise dithered waveforms for high-resolution 16-bit-equivalent dimming. The two on-chip comparators enable constant-current feedback without an external op-amp. PPS reassigns SPI or I2C to interface with LED driver ICs like the TLC5947 or WS28xx. The 32 MHz CPU performs gamma correction and color-temperature calculations in real time, while the 256-byte EEPROM stores scene presets across power cycles.
Recommended
Low-End BLDC Motor Control
Sensorless brushless DC motor control for small fans and pumps is feasible on the PIC16F18323-E/P thanks to its CWG (Complementary Waveform Generator) with programmable dead-band, fast ADC, and zero-crossing comparator inputs. The CLC allows hardwired commutation logic without CPU latency, ensuring reliable start-up. Operating voltage up to 5.5 V drives 3.3 V gate drivers directly, while a charge pump can be implemented with the 5-bit DAC. The 32 MHz core executes FOC or trapezoidal commutation routines in firmware while PPS keeps the motor-control pins and debug pins separate, reducing PCB trace crossing.
Recommended
Industrial Sensor Transmitter
The PIC16F18323-E/P serves 4-20 mA industrial sensor transmitters and field instruments because of its -40C to +125C operating range, 10-bit ADC with hardware averaging, and 256-byte EEPROM for calibration constants. The EUSART supports RS-485 with auto-direction control via a comparator, while I2C can address an external digital sensor or EEPROM. Its 11 GPIO are sufficient for a 4-20 mA loop with HART modem interface plus a local LED status indicator. The XLP low-power modes let a single MCU run the loop, sensor, and HART modem from the 4-20 mA current itself, removing the need for a separate isolated supply.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18323-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18324-E/P | PIC16F18326-E/P | PIC16F18323-I/P | PIC16F18325-E/P | PIC16F1823-E/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin PDIP | 14-pin PDIP (same) | 14-pin PDIP (same) | 14-pin PDIP (same) | 14-pin PDIP (same) | 14-pin PDIP (same) |
| Program Memory (Flash) | 3.5 KB | 4 KB | 8 KB | 3.5 KB | 8 KB | 2 KB |
| Data SRAM | 256 B | 512 B | 1 KB | 256 B | 1 KB | 128 B |
| Data EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Core Independent Peripherals | CLC, NCO, CWG, CCP | CLC, NCO, CWG, CCP (same) | CLC, NCO, CWG, CCP (same) | CLC, NCO, CWG, CCP (same) | CLC, NCO, CWG, CCP (same) | Limited (no NCO/CWG) |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C |
Key Differentiators
- Larger Flash than legacy PIC16F1823 with same 14-PDIP footprint (vs PIC16F1823-E/P)
- Wider temperature range than I-grade PIC16F18323 (vs PIC16F18323-I/P)
- Industrial temp grade with full peripheral set in 14-PDIP (vs PIC16F18324-E/P)
Design Notes
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin (Pin 1) and a bulk capacitor of at least 10 uF near the IC. For battery-powered designs using the XLP sleep modes, verify that the regulator quiescent current is below the MCU's lowest sleep current (typically below 50 nA in deep sleep) to avoid negating the energy savings.
Route ICSPDAT (RA0) and ICSPCLK (RA1) to a 5-pin in-circuit programming header with a 10 kohm pull-up on MCLR (RA3). Keep the MCLR trace short and isolated from switching nodes to prevent spurious resets. If the analog ADC inputs are in use, dedicate a quiet analog ground island and join it to the digital ground at a single point under the MCU.
Do not assume that the unconfigured GPIO default is input with a weak pull-up - new PIC16F183xx parts default to analog mode on POR. Configure all unused pins as digital outputs driving low, not high-impedance, to minimize SHDN current. Also, when migrating from PIC16F1823 to PIC16F18323 firmware, verify the PPS register unlock sequence because the new family requires an unlock before remapping.
Compliance Information
RoHS and REACH compliant per Microchip product environmental page. Not AEC-Q100 qualified; for automotive applications use PIC16F18323-E/P only in non-safety subsystems or pick an AEC-Q100 qualified part from Microchip's automotive catalog.
