PIC16F18324-E/STVAO - 8-bit MCU, 7KB Flash, 32MHz | Microchip
MPN: PIC16F18324-E/STVAO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.72 | $17.20 |
| 100 | $1.45 | $145.00 |
| 500 | $1.28 | $640.00 |
| 1,000 | $1.12 | $1,120.00 |
PIC16F18324-E/STVAO Overview
What is a PIC XLP microcontroller? PIC XLP (eXtreme Low Power) is Microchip's low-power 8-bit MCU family, belonging to the broader PIC16F1 enhanced mid-range architecture. These microcontrollers sit within the hierarchy of embedded microcontrollers -> MCUs -> microcontrollers -> semiconductors, and are widely used in battery-powered and energy-harvesting applications where nanoWatt sleep currents are essential. The PIC16F183xx family specifically targets general-purpose low-power designs.
Key features of the PIC16F18324 include Functional Safety (FuSa) capability, automotive-grade temperature range (-40C to +125C), Core Independent Peripherals (CIPs) such as CLC, NCO, and CWG that offload tasks from the core, and Peripheral Pin Select (PPS) which allows software-configurable mapping of digital peripherals to physical I/O. The device is qualified to AEC-Q100 standards, making it suitable for automotive applications.
Technically, the PIC16F18324 uses an enhanced mid-range CPU core that executes most instructions in one instruction cycle, with a 16-level hardware stack and a 31-level software stack. The integrated 32MHz oscillator can be tuned using the OSCTUNE register, and the 10-bit ADC supports up to 12 channels with computation features for automated averaging and threshold detection. The device supports in-circuit debugging via ICD and programming via ICSP.
Typical applications include IoT sensor nodes, automotive body electronics, home appliances, consumer electronics, and battery-powered portable devices. The combination of low power consumption, rich peripheral set, and AEC-Q100 qualification makes this part attractive for both industrial and automotive markets.
When designing with the PIC16F18324, ensure proper decoupling with 100nF ceramic capacitors close to VDD pins and follow Microchip's recommended PCB layout guidelines for TSSOP packages. The PPS feature requires careful configuration to avoid conflicts between peripherals.
This page synthesizes distributor pricing, drop-in alternatives from the PIC16F183xx family, and practical engineering notes not consolidated in the manufacturer datasheet, helping procurement and design engineers compare options efficiently.
Drop-in alternatives for PIC16F18324-E/STVAO — 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 PIC16F18324-E/STVAO (same form factor and footprint) — differing in Package, ADC, Operating Temperature, PWM, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18324-E/SLVAO
✅ Drop-In✓ In Stock
$0.93 / Unit
View Datasheet →PIC16F18324-E/STVAO-Q1
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F18325T-E/STVAO
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F18323T-E/SLVAO
✅ Drop-In✓ In Stock
$0.72 / Unit
View Datasheet →PIC16F18324-E/SL
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →PIC16F18324-E/STVAO Maximum Ratings & Electrical Characteristics
| Manufacturer | Microchip Technology |
| Series | PIC16F183xx |
| Product Type | 8-bit Microcontroller (MCU) |
| Core | PIC enhanced mid-range 8-bit |
| Program Memory Size | 7 KB (4K x 14 words) Flash |
| RAM Size | 512 B |
| EEPROM Size | 256 B |
| Maximum CPU Frequency | 32 MHz |
| Supply Voltage Range | 2.3 V to 5.5 V |
| Operating Temperature Range | -40 C to +125 C |
| ADC Resolution | 10-bit |
| DAC Resolution | 5-bit |
| PWM Resolution | 10-bit |
| Package / Case | 14-TSSOP (0.173 inch, 4.40 mm width) |
| Mounting Type | Surface Mount |
| Automotive Qualification | AEC-Q100 qualified |
| Functional Safety | FuSa-capable |
| Core Independent Peripherals | CLC, NCO, CWG, CCP |
| Peripheral Pin Select (PPS) | Yes |
| RoHS Status | Compliant |
PIC16F18324-E/STVAO Pin Configuration
| Pin 1 | VDD — Positive supply voltage (2.3V to 5.5V) |
| Pin 2 | RA5 — Bidirectional I/O / SS1 (Slave Select) via PPS |
| Pin 3 | RA4 — Bidirectional I/O |
| Pin 4 | RA3/MCLR — Bidirectional I/O / Master Clear (Reset) input |
| Pin 5 | RA2 — Bidirectional I/O / Analog input AN2 |
| Pin 6 | RA1 — Bidirectional I/O / ICSP clock |
| Pin 7 | RA0 — Bidirectional I/O / ICSP data |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RB7 — Bidirectional I/O / CCP1 via PPS |
| Pin 10 | RB3 — Bidirectional I/O |
| Pin 11 | RB6 — Bidirectional I/O / PWM output P1A |
| Pin 12 | RB5 — Bidirectional I/O / Analog input AN11 |
| Pin 13 | RB4 — Bidirectional I/O / Analog input AN10 |
| Pin 14 | VSS — Ground (alternate pin) |
Typical Applications
PIC16F18324-E/STVAO is suitable for 6 applications: IoT Wireless Sensor Nodes, Automotive Body Electronics, Battery-Powered Consumer Devices, Home Appliance Control, Industrial Sensor Interfaces, LED Lighting Controllers.
IoT Wireless Sensor Nodes
The PIC16F18324-E/STVAO fits IoT wireless sensor nodes because its XLP nanoWatt sleep currents minimize battery drain between transmissions while the integrated 10-bit ADC with computation handles sensor data acquisition. The Core Independent Peripherals (CLC, NCO, CWG) continue operating during core sleep, offloading wake-event detection and PWM generation. Placed as the host MCU next to a low-power RF transceiver, the PIC16F18324 manages sleep cycles achieving years of battery operation. Unlike higher-power ARM MCUs, the 8-bit PIC16F18324's compact code footprint reduces Flash wear in frequent-update scenarios.
Recommended
Automotive Body Electronics
The PIC16F18324-E/STVAO is well suited for automotive body electronics thanks to AEC-Q100 qualification and -40C to +125C operating range. It drives LED lighting modules, body control modules, and seat/window controllers via PWM outputs and processes switch inputs through its 10-bit ADC. With Peripheral Pin Select (PPS), designers route CCP, CWG, and UART functions to any GPIO. Functional Safety (FuSa) documentation supports ISO 262-compliant implementations. Compared to 32-bit automotive MCUs, the PIC16F18324 reduces BOM cost while providing automotive-grade reliability.
Recommended
Battery-Powered Consumer Devices
The PIC16F18324-E/STVAO powers battery-driven consumer devices like remote controls, wearables, and electronic toothbrushes by leveraging XLP nanoWatt sleep modes that drop consumption below 100 nA in deep sleep. The integrated 32MHz oscillator provides fast wake-and-execute cycles for button debouncing, ADC sampling, and PWM-driven motor control. The 14-TSSOP package fits in tight enclosures while offering 12 I/O pins for switches, LEDs, and sensors. Unlike external real-time clock solutions, the integrated CLC/NCO peripherals generate timing signals without external components.
Recommended
Home Appliance Control
The PIC16F18324-E/STVAO serves home appliance control boards in washing machines, microwaves, and HVAC controllers due to its high-temperature tolerance and rich peripheral integration. The 10-bit ADC reads temperature and current sense signals, while 10-bit PWM drives variable-speed motors and heater elements. Core Independent Peripherals (CIPs) like CLC enable hardware-based safety interlocks without CPU intervention. The 256-byte EEPROM stores user preferences across power cycles. Compared to discrete logic designs, the PIC16F18324 reduces component count and improves reliability.
Recommended
Industrial Sensor Interfaces
The PIC16F18324-E/STVAO is well suited for industrial sensor interface modules including 4-20mA loop-powered transmitters and isolated signal conditioners. Its 10-bit ADC with computation handles noise filtering and threshold detection while the integrated 5-bit DAC generates analog reference voltages. The Peripheral Pin Select (PPS) feature routes UART/SPI/I2C interfaces to any GPIO, simplifying PCB layout. The TSSOP-14 package provides adequate thermal performance for industrial enclosures. Compared to ASIC designs, the PIC16F18324 offers flexibility for late-stage firmware changes.
Recommended
LED Lighting Controllers
The PIC16F18324-E/STVAO drives smart LED lighting controllers including RGBW strips and dimmer circuits thanks to its 10-bit PWM resolution and CWG (Complementary Waveform Generator) peripheral. The CWG generates complementary PWM outputs with programmable dead-band for half-bridge LED drivers without CPU overhead. The NCO (Numerically Controlled Oscillator) creates high-frequency PWM for high-brightness LED dimming. With PPS, multiple PWM channels route to any pin. Compared to LED driver ASICs, the PIC16F18324 enables firmware-updatable lighting algorithms and color mixing.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18324-E/STVAO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18324-E/SLVAO | PIC16F18324-E/STVAO-Q1 | PIC16F18325T-E/STVAO | PIC16F18323T-E/SLVAO | PIC16F18324-E/SL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-TSSOP (ST) | 14-SOIC (SL) | 14-TSSOP (ST) | 14-TSSOP (ST) | 14-SOIC (SL) | 14-SOIC (SL) |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 14 KB | 3.5 KB | 7 KB |
| RAM Size | 512 B | 512 B | 512 B | 1 KB | 256 B | 512 B |
| 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 |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| AEC-Q100 Qualified | Yes | Yes | Yes (Q1) | Yes | Yes | Yes |
Key Differentiators
- AEC-Q100 automotive qualification with Functional Safety support (vs PIC16F18324-E/SL)
- Peripheral Pin Select (PPS) flexibility (vs PIC16F1823-I/ST)
- Core Independent Peripherals (CIPs) reduce CPU load (vs PIC16F1825-I/SL)
Design Notes
Estimated: At 32MHz operation from 3.3V, the PIC16F18324-E/STVAO typically draws approximately 4 mA active current. In sleep mode with WDT disabled, current drops below 100 nA (XLP nanoWatt technology). Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of pin 1, and add a bulk 10 uF capacitor for high-current transients during ADC sampling. Use Sleep mode aggressively between sensor events for battery-powered designs.
Estimated: The TSSOP-14 package dissipates up to approximately 800 mW in worst-case conditions. With theta_JJA around 100 C/W, junction temperature rise is moderate at room temperature. For extended-temperature automotive applications at 125 C ambient, ensure the TSSOP-14 thermal pad is soldered to a copper pour of at least 50 mm x 50 mm on the PCB to maintain safe junction temperatures under continuous operation.
The Peripheral Pin Select (PPS) feature requires unlocking via the PPSLOCK register before configuration - forgetting this lock step is a common source of I/O mapping failures. The MCLR pin (RA3) must be tied to VDD through a 10 kohm resistor for normal operation; leaving it floating causes intermittent resets. The ICSP clock (RA1) and data (RA0) pins must not be permanently reconfigured as outputs when in-circuit debugging is desired.
Compliance Information
AEC-Q100 Grade 1 qualified per Microchip automotive product line. RoHS and REACH compliant. Functional Safety (FuSa) documentation available from Microchip. The /STVAO suffix indicates Tape and Reel packaging in TSSOP-14 with automotive qualification.
