PIC16F15324-I/P - 8-bit 32MHz 7KB Flash MCU 14-DIP | Microchip
MPN: PIC16F15324-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.9 | $0.90 |
| 10 | $0.82 | $8.20 |
| 100 | $0.74 | $74.00 |
| 500 | $0.66 | $330.00 |
| 1,000 | $0.58 | $580.00 |
PIC16F15324-I/P Overview
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path and Harvard architecture, typically used to read sensors, drive actuators, and run embedded control firmware in cost- and power-sensitive applications. The PIC16F15324 belongs to the PIC16 (L)F153xx family of eXtreme Low-Power (XLP) MCUs, occupying a hierarchy of: MCU -> microcontroller -> embedded controller -> semiconductor IC. The device integrates Core Independent Peripherals (CIPs) such as CLC, CWG, NCO and PWM, plus Intelligent Analog including a 10-bit ADC with computation, a 5-bit DAC, and a comparator, enabling sensor and power-conversion loops without CPU intervention.
Key features include 7KB self-read/write Flash, 4x 10-bit PWM outputs, 2x EUSART, SPI/I2C, Peripheral Pin Select (PPS) for flexible signal routing, Peripheral Module Disable (PMD) for current budgeting, and XLP IDLE/DOZE modes that drop active current into the microamp range. The 14-pin device exposes up to 12 I/O pins with 11 ADC channels. A 32 kHz to 32 MHz internal oscillator plus PLL eliminates external crystals in many designs.
Typical applications include low-power IoT sensor nodes, battery-powered consumer devices, home appliances, LED lighting controllers, and general-purpose embedded control where small package, low quiescent current, and rich analog integration outweigh raw CPU throughput.
Designers should budget I/O: only 12 of 14 pins are usable I/O on the 14-pin variant, so verify signal mapping against the pinout before committing to PCB layout. Decouple VDD with at least 100 nF and a bulk 1-10 uF tantalum or aluminum polymer capacitor close to the pins for reliable ADC and core operation.
This page synthesizes distributor pricing, drop-in alternatives and engineering design notes that go beyond the manufacturer datasheet to accelerate board bring-up and BOM decisions.
Drop-in alternatives for PIC16F15324-I/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 PIC16F15324-I/P (same form factor and footprint) — differing in Package, ADC, I/O Pins, Mounting Type, PWM Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15323-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F15325-I/P
✅ Drop-In✓ In Stock
$0.86 / Unit
View Datasheet →PIC16F15324-E/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F15224-I/P
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16F15214-I/P
✅ Drop-In✓ In Stock
$0.76 / Unit
View Datasheet →PIC16F15324-I/P Maximum Ratings & Electrical Characteristics
| Architecture | PIC16 Enhanced Mid-Range 8-bit core |
| CPU Speed | 32 MHz max (8 MIPS with 4x PLL) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data SRAM | 512 bytes |
| Data EEPROM | 256 bytes |
| Operating Voltage | 2.3 V to 5.5 V |
| Package | 14-pin PDIP (0.300 in / 7.62 mm) |
| I/O Pins | 12 |
| ADC | 10-bit, 11 channels |
| DAC | 5-bit, 1 channel |
| Comparators | 1 |
| PWM Channels | 4x 10-bit |
| EUSART | 2 |
| SPI / I2C | 1 SPI, 1 I2C |
| Core Independent Peripherals | CLC, CWG, NCO, DSM |
| Operating Temperature | -40 C to +85 C (industrial) |
| RoHS Status | Compliant |
PIC16F15324-I/P Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O with analog and PWM capability |
| Pin 2 | RA4 — Bidirectional I/O with analog and PWM capability |
| Pin 3 | RA3 — Bidirectional I/O / MCLR, programming reset input |
| Pin 4 | RA2 — Bidirectional I/O with analog and PWM capability |
| Pin 5 | RA1 — Bidirectional I/O with analog and PWM capability |
| Pin 6 | RA0 — Bidirectional I/O with analog and PWM capability |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — Bidirectional I/O with analog and PWM capability |
| Pin 9 | RA6 — Bidirectional I/O with analog and PWM capability |
| Pin 10 | RC0 — Bidirectional I/O with analog and PWM capability |
| Pin 11 | RC1 — Bidirectional I/O with analog and PWM capability |
| Pin 12 | RC2 — Bidirectional I/O with analog and PWM capability |
| Pin 13 | RC3 — Bidirectional I/O with analog, PWM, and I2C capability |
| Pin 14 | VDD — Positive supply input (2.3 V to 5.5 V) |
Typical Applications
PIC16F15324-I/P is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Home Appliance Control Boards, LED Lighting Drivers, Automotive Body Electronics, Consumer Remote Controls and HMI, Industrial Sensor Transmitters.
Battery-Powered IoT Sensor Nodes
The PIC16F15324-I/P suits coin-cell and battery-powered sensor nodes thanks to its XLP Sleep current in the tens of nanoamps, 2.3 V minimum VDD and 10-bit ADC with computation that can wake the CPU only when a threshold is crossed. Compared with a 32-bit Cortex-M0+, the PIC16F15324 draws substantially less idle current and runs longer on the same battery, while its 32 MHz core still handles protocol framing for LoRaWAN or proprietary sub-GHz radios. Place a 100 nF decoupling capacitor directly on VDD and route the ADC reference from a quiet rail.
Recommended
Home Appliance Control Boards
The PIC16F15324-I/P drives appliance main boards where its 4x 10-bit PWMs, 5-bit DAC and 1 comparator replace several analog components. CLCs can implement hardware overcurrent protection without CPU overhead, and the 32 MHz core is sufficient for user-interface debouncing plus BLDC or PFC control loops. Per Microchip datasheet 40001889A, the CWG generates complementary PWMs with dead-band control, simplifying half-bridge gate drive. Place the device on a ground island and tie unused I/O to defined logic levels to avoid Sleep-mode leakage.
Recommended
LED Lighting Drivers
For constant-current LED drivers and architectural lighting, the PIC16F15324-I/P's 4 PWM channels support RGBW dimming while the 5-bit DAC sets the LED current reference. The integrated comparator forms a hysteretic current loop without firmware intervention, and XLP modes keep standby consumption below 100 uA for Energy Star compliance. Use the 10-bit ADC with computation to read thermistor-based thermal derating and adjust duty cycle in hardware. A small LDO plus 1 uF bulk cap on VDD ensures clean PWM edges.
Recommended
Automotive Body Electronics
While PIC16F15324-I/P is industrial grade, automotive body modules needing up to 85 C operation often use this part for cost reasons, paired with the PIC16F15324-E/P variant for under-hood extensions to 125 C. Its EUSART plus SPI/I2C interface to CAN transceivers or LIN slaves, while the 10-bit ADC reads switch contacts and resistive sensors. PPS allows remapping any peripheral to any I/O, simplifying PCB routing on tight body modules. Always include a watchdog timer and brown-out reset configured per datasheet 40001889A for field reliability.
Recommended
Consumer Remote Controls and HMI
The PIC16F15324-I/P fits IR/RF remote controls, smart-home keypads and small HMI panels where 12 I/O pins are enough for buttons, an LED array and a serial link to a host MCU. The CWG generates carrier waveforms for IR transmission in hardware, freeing the CPU for protocol encoding, while XLP Sleep keeps battery life measured in years. PPS lets designers assign UART TX/RX, SPI and I2C to any pin, simplifying PCB routing on cramped enclosures. Use a 32.768 kHz crystal for accurate timekeeping in scheduled wakeups.
Recommended
Industrial Sensor Transmitters
In 4-20 mA loop-powered or 2-wire industrial sensor transmitters, the PIC16F15324-I/P's low operating voltage (down to 2.3 V), 10-bit ADC and 5-bit DAC enable a complete analog front end on a single die. The integrated comparator and CLC implement slope compensation for boost converters powering the loop, while EUSART or I2C interfaces a digital front-end or display. Use the internal 32 MHz oscillator with PLL to avoid external crystals, and budget ADC acquisition time per datasheet 40001889A for high-impedance sensors.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15324-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15323-I/P | PIC16F15325-I/P | PIC16F15324-E/P | PIC16F15224-I/P | PIC16F15214-I/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 |
| Flash Memory | 7 KB | 3.5 KB (-50%) | 14 KB (+100%) | 7 KB (same) | 7 KB (same) | 7 KB (same) |
| SRAM | 512 B | 512 B | 1 KB (+100%) | 512 B (same) | 512 B (same) | 256 B (-50%) |
| EEPROM | 256 B | 256 B | 256 B | 256 B (same) | 256 B (same) | 256 B (same) |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| CIPs (CLC/CWG/NCO) | Yes | Yes | Yes | Yes | No | No |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +85C |
| Approx. Unit Price (qty 1000) | $0.58 | $0.52 | $0.66 | $0.62 | $0.48 | $0.46 |
Key Differentiators
- Core Independent Peripherals reduce CPU load (vs PIC16F15224-I/P)
- 5-bit on-chip DAC eliminates external trim network (vs PIC16F15214-I/P)
- Higher Flash headroom for OTA and protocol stacks (vs PIC16F15323-I/P)
- Same 14-pin PDIP pinout across memory variants (vs PIC16F15325-I/P)
Design Notes
Estimated: at VDD = 5 V, 32 MHz, the active current is roughly 6 mA (typical). Add a 100 nF X7R decoupling capacitor directly on VDD within 3 mm of the pin, plus a 1-10 uF bulk tantalum or aluminum-polymer capacitor on the same rail. In XLP Sleep, current drops to tens of nA with WDT off; enable the RTC from a 32.768 kHz crystal or the LFINTOSC to maintain time-base wakeups without external components.
Route the ICSP pins (PGED/PGEC) to a 2x3 0.1 in header for field firmware updates. PGED/PGEC share RA0/RA1 on the 14-pin PDIP, so do not wire high-impedance analog sensors directly on those pins during development unless you isolate them through jumpers. Keep the MCLR/RA3 line short or use a 10 kohm pull-up to avoid false resets from capacitive coupling on long cables.
Always configure the Configuration Words (CONFIG1-CONFIG3) before programming, especially FEXTOSC, RSTOSC and WDTE. Failure to disable unused peripherals via PMD adds 100-300 uA each. PPS registers must be unlocked (PPSLOCK = 0x55, 0xAA) before reassignment; locked PPS will silently ignore writes. Reference unused I/O to defined logic levels (not floating) to keep Sleep-mode current at the datasheet minimum.
Place analog and digital grounds on a single star ground near the VSS pin; do not split the ground plane under the MCU. Keep ADC traces short and route away from PWM and clock edges to avoid ADC noise. Reference the 5-bit DAC and ADC from the same quiet rail; use a small ferrite bead if the VDD net shares a switching converter with digital loads.
Estimated: with internal 32 MHz oscillator and PLL, the MCU can generate up to 8 MIPS. UART at 115200 baud requires a baud-rate error under 2%; use the EUSART auto-baud feature on first connect to compensate oscillator tolerance. For SPI runs above 4 MHz, add a 22-33 ohm series resistor at the SCK pin to dampen reflections on long traces.
Compliance Information
RoHS and REACH compliant per Microchip product page; not AEC-Q100 qualified (use automotive-grade PIC variants in AEC-Q100-qualified product family if required).
