PIC18F45Q10-I/P - 32KB Flash 8-bit MCU 64MHz 40-PDIP | Microchip
MPN: PIC18F45Q10-I/P ✓ نشطPIC18F45Q10-I/P نظرة عامة
The PIC18F45Q10 belongs to the PIC18 family of 8-bit microcontrollers (MCUs) within Microchip's broader PIC® architecture hierarchy. An 8-bit MCU executes instructions on 8-bit data paths and is the workhorse of embedded control for cost-sensitive, deterministic real-time applications. PIC18 devices extend the baseline and mid-range PIC cores with 16-bit instructions, hardware multiplier, and C-optimized architecture, enabling efficient high-level language development while retaining deterministic interrupt response.
Key features of this part include a 64 MHz internal oscillator, up to 64 MHz CPU clock with 4x PLL option, 35 instruction set, 10-bit ADC with Computation (ADCC) automating averaging and threshold comparison, 5-bit DAC, 2 analog comparators with selectable hysteresis, Configurable Logic Cells (CLC) for hardware state-machine peripherals, Complementary Waveform Generator (CWG), and Peripheral Pin Select (PPS) for flexible signal routing. Functional Safety (FuSa) diagnostics make it suitable for IEC 61508 SIL-2 capable designs when used with the supporting FMEDA and diagnostic libraries.
Typical applications include industrial sensor nodes, household appliances, motor control, lighting ballasts, IoT edge nodes, automotive body and chassis subsystems, HVAC controllers, and any real-time control loop where deterministic behavior, low power, and 5V noise immunity are required. The 32KB Flash supports moderate firmware footprints typical of connected sensor firmware with protocol stacks.
When designing with this device, allocate sufficient decoupling (100 nF + 1 µF near each supply pin), use the ICSP™ header for in-circuit programming, and follow Microchip AN1255 for Class B / IEC 60730 safety diagnostics on white goods. The wide 2.3V-5.5V VDD range supports both 3.3V and 5V systems, but power-on reset thresholds differ at each range.
بدائل مباشرة لـ PIC18F45Q10-I/P — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC18F45Q10-I/P (نفس عامل الشكل والبصمة) — يختلف في ADC, Package, Core Architecture, Mounting Type, Program Memory (Flash).
PIC18F46Q10-I/P
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F45Q10-I/MP
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F46K22-I/P
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F45K22-I/P
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F46K20-I/P
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F4520-I/P
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F45Q10-I/P الحدود القصوى والخصائص الكهربائية
| Core Architecture | PIC18 8-bit RISC |
| Program Memory (Flash) | 32 KB (32K x 8) |
| Data SRAM | 2 KB |
| Data EEPROM | 1 KB |
| Maximum CPU Frequency | 64 MHz |
| Operating Voltage Range | 2.3 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 35 channels with ADCC |
| DAC | 5-bit, 2 outputs |
| Comparators | 2 with selectable hysteresis |
| Timers | 8-/16-bit, multiple CCP/ECCP |
| Communication | UART, SPI, I2C (with PPS) |
| Peripheral Pin Select (PPS) | Yes |
| Configurable Logic Cells (CLC) | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Functional Safety (FuSa) | Yes |
| نطاق درجة حرارة التشغيل | -40C to +85C (Industrial) |
| العلبة | 40-pin PDIP (0.600 in / 15.24 mm) |
| نوع التركيب | Through-Hole |
| حالة RoHS | Compliant |
تكوين أطراف PIC18F45Q10-I/P
| دبوس 1 | RE3/MCLR — Master Clear (reset) input or digital input only |
| دبوس 2 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| دبوس 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| دبوس 4 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| دبوس 5 | RA3/AN3 — PORTA bit 3 / analog input 3 / Vref+ |
| دبوس 6 | RA4/AN4 — PORTA bit 4 / analog input 4 |
| دبوس 7 | RA5/AN5 — PORTA bit 5 / analog input 5 |
| دبوس 8 | RE0/AN6 — PORTE bit 0 / analog input 6 |
| دبوس 9 | RE1/AN7 — PORTE bit 1 / analog input 7 |
| دبوس 10 | RE2/AN8 — PORTE bit 2 / analog input 8 |
| دبوس 11 | VDD — Positive supply voltage (2.3V-5.5V) |
| دبوس 12 | VSS — Ground reference |
| دبوس 13 | RA7/OSC1 — PORTA bit 7 / crystal oscillator input |
| دبوس 14 | RA6/OSC2 — PORTA bit 6 / crystal oscillator output |
| دبوس 15 | RC0/SOSC1 — PORTC bit 0 / secondary oscillator input |
| دبوس 16 | RC1/SOSC2 — PORTC bit 1 / secondary oscillator output |
| دبوس 17 | RC2/CCP1 — PORTC bit 2 / Capture/Compare/PWM 1 |
| دبوس 18 | RC3/SCL1 — PORTC bit 3 / I2C clock |
| دبوس 19 | RD0 — PORTD bit 0 |
| دبوس 20 | RD1 — PORTD bit 1 |
| دبوس 21 | RD2 — PORTD bit 2 |
| دبوس 22 | RD3 — PORTD bit 3 |
| دبوس 23 | RC4/SDA1 — PORTC bit 4 / I2C data |
| دبوس 24 | RC5 — PORTC bit 5 |
| دبوس 25 | RC6 — PORTC bit 6 |
| دبوس 26 | RC7 — PORTC bit 7 |
| دبوس 27 | RD4 — PORTD bit 4 |
| دبوس 28 | RD5 — PORTD bit 5 |
| دبوس 29 | RD6 — PORTD bit 6 |
| دبوس 30 | RD7 — PORTD bit 7 |
| دبوس 31 | VSS — Ground reference |
| دبوس 32 | VDD — Positive supply voltage (2.3V-5.5V) |
| دبوس 33 | RB0/INT — PORTB bit 0 / external interrupt |
| دبوس 34 | RB1 — PORTB bit 1 |
| دبوس 35 | RB2 — PORTB bit 2 |
| دبوس 36 | RB3 — PORTB bit 3 |
| دبوس 37 | RB4 — PORTB bit 4 |
| دبوس 38 | RB5 — PORTB bit 5 |
| دبوس 39 | RB6/PGC — PORTB bit 6 / ICSP clock |
| دبوس 40 | RB7/PGD — PORTB bit 7 / ICSP data |
التطبيقات النموذجية
PIC18F45Q10-I/P مناسب لـ 6 التطبيقs: Industrial Sensor Nodes, Household Appliance Control, HVAC and Building Automation Controllers, Automotive Body and Chassis Modules, Motor Control and BLDC Fan Drivers, IoT Edge Nodes and Connected Sensors.
Industrial Sensor Nodes
The PIC18F45Q10-I/P fits industrial sensor nodes because its 5V VDD range and noise-immune I/O tolerate the transients of factory-floor wiring, while the 32 KB Flash and 64 MHz core run deterministic sampling loops. According to the Microchip PIC18F45Q10 family datasheet, the ADCC (10-bit ADC with computation) automates averaging and threshold comparison, offloading repetitive math from the CPU and reducing firmware complexity for thermocouple, RTD, or strain-gauge conditioning firmware.
موصى به
Household Appliance Control
The PIC18F45Q10-I/P is well suited to washing machines, dishwashers, and microwave ovens thanks to its FuSa (Functional Safety) diagnostics, IEC 60730 class-B support libraries, and 5V noise immunity. The CWG and ECCP modules generate complementary PWM for triac or IGBT-based motor drive, while the 32 KB Flash holds the appliance state machine plus UI logic.
موصى به
HVAC and Building Automation Controllers
For HVAC thermostats, damper actuators, and VAV box controllers, the PIC18F45Q10-I/P provides 64 MIPS deterministic control with PPS-based flexible I/O mapping that simplifies PCB routing. The CLC (Configurable Logic Cells) implement hardware state machines for sensor-debounce or PWM edge shaping without burdening the CPU. The wide 2.3V-5.5V supply range allows direct operation from a rectified 24VAC transformer rail.
موصى به
Automotive Body and Chassis Modules
The PIC18F45Q10-I/P targets low-end body-electronics nodes like seat controllers, mirror adjusters, RKE receivers, and lighting ballasts where 8-bit cost efficiency is critical. Its 5V-tolerant I/O interfaces directly to LIN or CAN physical layers, and the ADCC performs wheel-speed or ambient-light sensing in hardware. For AEC-Q100 automotive qualification, select the automotive-grade variant of the same die.
موصى به
Motor Control and BLDC Fan Drivers
For BLDC or PMSM motor control in fans, pumps, and small appliances, the PIC18F45Q10-I/P delivers 64 MHz core plus the CWG and ECCP peripherals needed for sensorless or Hall-sensor trapezoidal commutation. The 32 KB Flash fits sensored FOC libraries for low-speed precision, and the 10-bit ADC with computation samples back-EMF in hardware, enabling quieter commutation. The 36 I/O functional from the 40-pin PDIP is sufficient for 3-phase gate drive plus HMI inputs.
موصى به
IoT Edge Nodes and Connected Sensors
IoT edge nodes benefit from the PIC18F45Q10-I/P's XLP (eXtreme Low Power) modes, 5V noise immunity, and 32 KB Flash sufficient for small MQTT-SN or CoAP stacks. PPS allows UART/SPI/I2C peripherals to be remapped to any I/O pin, simplifying PCB routing when integrating Wi-Fi or LoRa modules. The on-chip ADCC performs sensor conditioning with zero CPU overhead, extending battery life in battery-powered edge deployments.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC18F45Q10-I/P — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC18F46Q10-I/P | PIC18F46K22-I/P | PIC18F45K22-I/P | PIC18F4520-I/P |
|---|---|---|---|---|---|
| Package | 40-PDIP (0.600 in) | 40-PDIP - same | 40-PDIP - same | 40-PDIP - same | 40-PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 64 KB (+100%) | 64 KB (+100%) | 32 KB (same) | 32 KB (same) |
| SRAM | 2 KB | 2 KB (same) | 3 KB (+50%) | 1.5 KB (-25%) | 1.5 KB (-25%) |
| CPU Speed | 64 MHz / 16 MIPS | 64 MHz / 16 MIPS (same) | 64 MHz / 16 MIPS (same) | 64 MHz / 16 MIPS (same) | 40 MHz / 10 MIPS (-37%) |
| ADC | 10-bit ADCC | 10-bit ADCC (same) | 10-bit ADC (no ADCC) | 10-bit ADC (no ADCC) | 10-bit ADC (no ADCC) |
| CLC / CWG | Yes | Yes (same) | No | No | No |
| Functional Safety (FuSa) | Yes | Yes (same) | No | No | No |
| Approx Unit Price (qty-1) | $3.30 | $3.80 (+15%) | $5.00 (+51%) | $4.50 (+36%) | $4.20 (+27%) |
أبرز الفروقات
- Functional Safety (FuSa) diagnostics built in (مقابلPIC18F45K22-I/P)
- ADCC hardware averaging offloads CPU (مقابلPIC18F4520-I/P)
- CLC + CWG add programmable peripherals (مقابلPIC18F45K22-I/P)
ملاحظات التصميم
Place a 100 nF ceramic decoupling capacitor within 5 mm of each VDD pin (pins 11 and 32) and a bulk 1 µF-10 µF tantalum or ceramic capacitor near the device. The PIC18F45Q10-I/P has two VDD pins; both must be decoupled to suppress switching noise from the internal oscillator and CWG/ECCP peripherals.
Do not leave the MCLR pin (pin 1) floating. Per the PIC18F45Q10 datasheet, MCLR must be tied to VDD through a 10 kΩ resistor (or driven by the supervisor) for reliable reset. Floating MCLR causes erratic resets in noisy industrial environments. Configure the MCLRE configuration bit to disable internal MCLR only when an external supervisor is present.
Estimated: at 64 MHz, 5V supply, full I/O load (~36 mA), and 50% I/O toggling, internal dissipation stays under 200 mW. The 40-PDIP package handles this comfortably without heatsinking. In high-temperature industrial enclosures (>70°C ambient), verify that the -40C to +85C industrial rating covers your worst-case ambient plus self-heating.
Route the ICSP clock (PGC, pin 39) and ICSP data (PGD, pin 40) lines with ground shielding or keep them short to prevent programming errors. Use a 5-pin header (VDD, VSS, PGC, PGD, MCLR) placed on the board edge for production programming access; this avoids the need for socket removal in manufacturing.
When using the ADC for precision measurements, place a 100 nF ceramic on the Vref+ pin (RA3) and avoid switching digital signals near AVDD/AVSS. Use PPS to remap high-frequency PWM (ECCP/CWG) to PORTB or PORTD pins away from analog inputs to reduce crosstalk below 1 LSB on the 10-bit ADC.
معلومات الامتثال
Industrial temperature grade (-40C to +85C) per -I suffix. Not AEC-Q100 qualified - automotive applications should select the automotive grade variant of the same die. RoHS compliant per Microchip product declaration.
