PIC18F4515-I/P - 8-bit 40MHz 48KB Flash MCU 40-PDIP | Microchip
MPN: PIC18F4515-I/P ✓ فعالPIC18F4515-I/P نمای کلی
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC18F family uses a modified Harvard RISC architecture with 16-bit instructions and 8-bit data path, designed by Microchip as the high-performance tier of their 8-bit portfolio and widely deployed in motor control, instrumentation, and embedded control.
Key features include the 40 MHz internal oscillator support, nanoWatt Technology for low-power sleep modes, a 10-bit ADC with up to 13 input channels, two USART modules, an MSSP (Master Synchronous Serial Port) supporting SPI and I2C, two CCP (Capture/Compare/PWM) modules plus an enhanced ECCP, and a parallel slave port for external bus interfacing. The 36 digital I/O pins are 5V tolerant, with hardware PWM and interrupt-on-change capability.
Architecturally, the device uses a 16-bit modified Harvard core with 32 KB of linear program addressing, an 8x8 hardware multiplier, and a priority-interrupt controller. The 48 KB Flash supports self-programming, enabling in-field firmware updates via bootloader, and the nanoWatt Technology suite provides deep-sleep current in the microamp range for battery-backed applications.
Typical applications include industrial control panels, HVAC fan and damper controllers, security and alarm panels, low-end automotive body modules, instrumentation front-ends, and educational/development platforms such as the PICDEM board ecosystem, where the 40-pin PDIP allows easy breadboard prototyping.
When designing with this part, ensure the MCLR reset pin is properly pulled up with a 10 kohm resistor and that VDD decoupling includes a 100 nF ceramic capacitor placed within 5 mm of each power pin. Programming is supported via the ICSP interface using the MPLAB PICkit 5, ICD 4, or MPLAB X IDE 6.x toolchain, with no external crystal required when using the internal oscillator.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the PIC18F family, and practical design notes drawn from the manufacturer datasheet - content not found on any single distributor or manufacturer page.
جایگزین‌های drop-in برای PIC18F4515-I/P — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC18F4515-I/P (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Program Memory (Flash), Core Architecture, Operating Temperature, Timers.
PIC18F4525-I/P
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC18F4520-I/P
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F4510-I/P
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F46K22-I/P
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F4515-I/PT
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
PIC18F4515-E/P
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F4515-I/P حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | 8-bit PIC18F RISC, modified Harvard |
| Program Memory (Flash) | 48 KB (24K x 16 words) |
| Data SRAM | 3,968 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Frequency | 40 MHz |
| Operating Voltage (VDD) | 2.0 V to 5.5 V |
| Digital I/O Pins | 36 |
| ADC | 10-bit, up to 13 channels |
| Timers (8-bit / 16-bit) | 1 x 8-bit, 3 x 16-bit |
| CCP / ECCP Modules | 2 CCP + 1 ECCP |
| USART | 2 modules (with LIN support) |
| MSSP (SPI / I2C) | 1 module, SPI and I2C modes |
| Parallel Slave Port | Yes |
| بسته‌بندی | 40-pin PDIP (0.600 inch / 15.24 mm body width) |
| محدوده دمای کاری | -40 C to +85 C (Industrial, I-suffix) |
| Low-Power Mode | nanoWatt Technology (Sleep, Idle, deep Sleep) |
| ICSP Programming | Yes (In-Circuit Serial Programming) |
| وضعیت RoHS | Compliant (lead-free finish) |
پیکربندی پین PIC18F4515-I/P
| پین 1 | MCLR/VPP/RE3 — Master Clear (reset) input or programming voltage / Port E bit 3 |
| پین 2 | RA0/AN0 — Port A bit 0 / Analog input channel 0 |
| پین 3 | RA1/AN1 — Port A bit 1 / Analog input channel 1 |
| پین 4 | RA2/AN2/VREF- — Port A bit 2 / Analog input channel 2 / ADC VREF- |
| پین 5 | RA3/AN3/VREF+ — Port A bit 3 / Analog input channel 3 / ADC VREF+ |
| پین 6 | RA4/T0CKI — Port A bit 4 / Timer 0 clock input |
| پین 7 | RA5/AN4/SS — Port A bit 5 / Analog input channel 4 / SPI Slave Select |
| پین 8 | RE0/RD/AN5 — Port E bit 0 / Parallel Slave Port read / Analog input 5 |
| پین 9 | RE1/WR/AN6 — Port E bit 1 / Parallel Slave Port write / Analog input 6 |
| پین 10 | RE2/CS/AN7 — Port E bit 2 / Parallel Slave Port chip select / Analog input 7 |
| پین 11 | VDD — Positive power supply (2.0 V to 5.5 V) |
| پین 12 | VSS — Ground reference |
| پین 13 | OSC1/CLKI/RA7 — Crystal oscillator input / external clock / Port A bit 7 |
| پین 14 | OSC2/CLKO/RA6 — Crystal oscillator output / clock output / Port A bit 6 |
| پین 15 | RC0/T1OSO/T13CKI — Port C bit 0 / Timer 1 oscillator output / Timer 1 clock input |
| پین 16 | RC1/T1OSI/CCP2 — Port C bit 1 / Timer 1 oscillator input / CCP2 output |
| پین 17 | RC2/CCP1 — Port C bit 2 / CCP1 PWM output |
| پین 18 | RC3/SCK/SCL — Port C bit 3 / MSSP SPI clock / I2C clock |
| پین 19 | RD0/PSP0 — Port D bit 0 / Parallel Slave Port data 0 |
| پین 20 | RD1/PSP1 — Port D bit 1 / Parallel Slave Port data 1 |
| پین 21 | RD2/PSP2 — Port D bit 2 / Parallel Slave Port data 2 |
| پین 22 | RD3/PSP3 — Port D bit 3 / Parallel Slave Port data 3 |
| پین 23 | RC4/SDI/SDA — Port C bit 4 / MSSP SPI data in / I2C data |
| پین 24 | RC5/SDO — Port C bit 5 / MSSP SPI data out |
| پین 25 | RC6/TX/CK — Port C bit 6 / USART1 transmit / USART1 clock |
| پین 26 | RC7/RX/DT — Port C bit 7 / USART1 receive / USART1 data |
| پین 27 | RD4/PSP4 — Port D bit 4 / Parallel Slave Port data 4 |
| پین 28 | RD5/PSP5 — Port D bit 5 / Parallel Slave Port data 5 |
| پین 29 | RD6/PSP6 — Port D bit 6 / Parallel Slave Port data 6 |
| پین 30 | RD7/PSP7 — Port D bit 7 / Parallel Slave Port data 7 |
| پین 31 | VSS — Ground reference |
| پین 32 | VDD — Positive power supply (2.0 V to 5.5 V) |
| پین 33 | RB0/INT0/AN8 — Port B bit 0 / External interrupt 0 / Analog input 8 |
| پین 34 | RB1/INT1/AN10 — Port B bit 1 / External interrupt 1 / Analog input 10 |
| پین 35 | RB2/INT2/AN8 — Port B bit 2 / External interrupt 2 / Analog input 8 (alt) |
| پین 36 | RB3/INT3/CCP2/AN9 — Port B bit 3 / External interrupt 3 / CCP2 / Analog input 9 |
| پین 37 | RB4/KBI0/AN11 — Port B bit 4 / Interrupt-on-change bit 0 / Analog input 11 |
| پین 38 | RB5/KBI1/AN12 — Port B bit 5 / Interrupt-on-change bit 1 / Analog input 12 |
| پین 39 | RB6/KBI2/PGC — Port B bit 6 / Interrupt-on-change bit 2 / ICSP clock |
| پین 40 | RB7/KBI3/PGD — Port B bit 7 / Interrupt-on-change bit 3 / ICSP data |
کاربردهای معمول
PIC18F4515-I/P مناسب است برای 6 کاربردs: Industrial Control Panels, HVAC Fan and Damper Controllers, Security and Alarm Panels, Instrumentation Front-Ends, Educational Development Boards, Low-End Automotive Body Modules.
Industrial Control Panels
The PIC18F4515-I/P is well suited for industrial control panels thanks to its 48 KB Flash and 3,968 bytes of SRAM, which comfortably host a real-time scheduler plus LCD/HMI driver, and its 36 I/O pins to drive relays, optocouplers, and 7-segment displays. Its 13-channel 10-bit ADC reads panel-mount sensors (temperature, pressure, level) while the two USARTs link to a master PLC or HMI module. Compared with a CPLD-based approach the integrated nanoWatt low-power modes cut standby draw for always-on panels.
پیشنهادی
HVAC Fan and Damper Controllers
In HVAC fan and damper loops the PIC18F4515-I/P's ECCP module generates the high-resolution PWM needed for brushless DC fan speed control, while the 13-channel ADC samples NTC thermistors, humidity probes, and duct pressure sensors. The 40 MHz core runs a PI control loop at adequate sampling rate, and the nanoWatt deep-sleep mode drops standby current below 100 nA for off-cycle periods. The 40-pin PDIP package simplifies field-serviceable through-hole assembly in legacy HVAC control boards.
پیشنهادی
Security and Alarm Panels
Security alarm panels benefit from the PIC18F4515-I/P's parallel slave port for fast zone-expansion via external shift registers and its 36 I/O pins to monitor up to 32 wired zones plus a keypad matrix. Flash self-programming supports secure bootloader-based firmware updates over the USART, while the 256-byte EEPROM stores zone configuration and event logs without battery backup. The -40 C to +85 C industrial temperature grade ensures reliable operation in unheated attics, garages, and basements.
پیشنهادی
Instrumentation Front-Ends
For bench and laboratory instrumentation, the PIC18F4515-I/P provides a 10-bit ADC with 13 channels to digitize sensor analog outputs, plus two USARTs to bridge to a host PC or display controller. The 48 KB Flash holds calibration constants and linearization tables, while the MSSP serves an SPI LCD or external DAC. Compared with discrete ADC + 8-bit CPU designs, this integrated approach reduces PCB area and BOM cost in multimeters, weigh scales, and process calibrators.
پیشنهادی
Educational Development Boards
The 40-pin PDIP package of the PIC18F4515-I/P is breadboard-friendly and ideal for university courses teaching embedded systems, where students can swap the MCU in a socketed board without rework. Its 48 KB Flash hosts the full Microchip application library (USB, TCP/IP lite, graphics) for lab exercises, and the ICSP header allows students to reprogram in seconds. The industrial temperature rating also lets the same lab board be used outdoors in field-measurement projects.
پیشنهادی
Low-End Automotive Body Modules
In non-safety automotive body modules such as interior lighting, seat controllers, or mirror adjusters, the PIC18F4515-I/P's 40-pin PDIP footprint simplifies through-hole assembly for low-volume aftermarket and accessory products. Its two LIN-capable USARTs connect to body networks, while the ECCP drives small motors and the ADC reads current sense resistors for LED and motor feedback. Designers should note this part is not AEC-Q100 qualified; for OEM automotive use, the dsPIC33 or PIC18F-K families offer automotive-grade alternatives.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC18F4515-I/P — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC18F4525-I/P | PIC18F4520-I/P | PIC18F4510-I/P | PIC18F46K22-I/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-pin PDIP | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same |
| Program Memory (Flash) | 48 KB | 48 KB - same | 32 KB (-33%) | 32 KB (-33%) | 64 KB (+33%) |
| Data SRAM | 3,968 bytes | 3,968 bytes - same | 1,536 bytes (-61%) | 1,536 bytes (-61%) | 3,896 bytes (-2%) |
| Maximum CPU Frequency | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS - same | 40 MHz / 10 MIPS - same | 40 MHz / 10 MIPS - same | 64 MHz / 16 MIPS (+60%) |
| USB 2.0 SIE | No | Yes (full-speed) | No | No | No |
| Low-Power Technology | nanoWatt | nanoWatt | nanoWatt | nanoWatt | nanoWatt XLP (better sleep current) |
| Temperature Grade (this I/P) | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Industrial -40 C to +85 C |
تفاوت‌های کلیدی
- Higher Flash density in the same 40-pin PDIP (در مقابلPIC18F4520-I/P)
- No USB SIE keeps BOM cost low (در مقابلPIC18F4525-I/P)
- Modern XLP upgrade path on same footprint (در مقابلPIC18F46K22-I/P)
یادداشت‌های طراحی
Place a 100 nF decoupling capacitor within 5 mm of each VDD/VSS pair (two pairs on the 40-pin PDIP: pins 11/12 and 31/32). For designs driving relays or LEDs add a bulk 10 uF tantalum or aluminum polymer capacitor near the MCU supply pin. nanoWatt sleep current on this part is specified in the Microchip PIC18F4515 datasheet electrical characteristics table; verify against your application's standby budget before relying on battery-backed operation. Estimated: with only the 100 nF caps and 5 V supply the MCU itself draws roughly 10 mA active at 40 MHz.
Route the ICSP lines PGC (RB6) and PGD (RB7) to a 5-pin header (1x5 or 2x3) with MCLR, VDD, and VSS so the board can be programmed in-circuit. Place a 10 kohm pull-up resistor on MCLR and a Schottky diode (1N5817 or equivalent) from MCLR to VDD to allow in-circuit programming without disturbing the reset line. Keep the trace length of the crystal or oscillator less than 12 mm and guard both pins with a ground ring for noise immunity, per Microchip AN588 (PICmicro oscillator design).
Do not assume the parallel slave port is enabled by default - PSP control bits must be set in the PORTE register. The MSSP module can operate in SPI mode or I2C mode but not both simultaneously; verify which peripherals you need before committing. The PIC18F4515-I/P is not AEC-Q100 qualified, so do not use it as a primary MCU for safety-critical automotive ECUs - migrate to a dsPIC33 or PIC18F-K automotive grade for OEM production. Finally, ensure the I-suffix industrial temperature grade (-40 C to +85 C) matches your deployment envelope; the E-suffix extended grade goes to +125 C.
اطلاعات انطباق
RoHS compliant per Microchip product page. Lead-free finish. Industrial temperature grade -40 C to +85 C. Not AEC-Q100 qualified - for automotive safety designs choose an automotive-grade PIC or dsPIC variant.
