PIC18F2320T-I/SO - 8-bit MCU, 8KB Flash, 40MHz | Microchip
MPN: PIC18F2320T-I/SO ✓ فعالPIC18F2320T-I/SO جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and programmable peripherals onto one die. The PIC18F family occupies the mid-tier of Microchip's 8-bit PIC architecture, sitting between baseline PIC10/12/16 devices and the enhanced PIC24/dsPIC families; PIC MCUs are widely used for deterministic real-time control in industrial, automotive, and consumer embedded systems. The PIC18F2320 specifically targets cost-sensitive applications needing 10-bit ADC, nanoWatt power management, and 25 I/O in compact 28-pin packages.
Key features include 8 KB self-programmable Flash program memory, 256 bytes of EEPROM data storage, an internal 8 MHz oscillator (4x PLL to 40 MHz), a 10-bit ADC with up to 10 channels, two 8-bit timers plus two 16-bit timers, and nanoWatt Technology power-saving modes. The wide SOIC package supports hand-soldering and easy prototype rework.
The PIC18F2320 employs a RISC Harvard-design architecture with 77 single-word instructions, hardware multiplier (8x8 single-cycle), and an enhanced instruction set with C-friendly addressing. The Flash memory supports ICSP (In-Circuit Serial Programming) and self-programming under firmware control, enabling field upgrades and bootloader designs.
Typical applications include industrial sensor conditioning, small appliance control, HVAC fan/blower controllers, general-purpose 8-bit embedded control boards, motor driver interfaces, low-cost data loggers, and consumer remote controllers. The 25 I/O and 10-bit ADC let the MCU directly digitize analog inputs and drive relay or MOSFET outputs.
When designing with this part, mind the wide-SOIC pin pitch of 1.27 mm versus SOIC-8 (1.27 mm narrow) footprint alignment. The 'T' suffix indicates tape-and-reel packaging; the 'I' suffix specifies the industrial -40C to +85C operating range. If you need more memory, see PIC18F2321 (8 KB Flash + nanoWatt) or PIC18F4520 (32 KB) as drop-in scaling options in the same SOIC-28 footprint.
This page synthesizes distributor pricing, drop-in same-brand alternates, and engineering design guidance beyond what appears in the manufacturer datasheet alone, with all values cross-checked against distributor inventory data as of 2026-09-26.
کے لیے ڈراپ اِن متبادل PIC18F2320T-I/SO — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC18F2320T-I/SO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Operating Temperature, Program Memory (Flash), Core Architecture, ADC.
PIC18F2320-I/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC18F2321T-I/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC18F2320-I/SP
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC18F2220T-I/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC18F4320T-I/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC18F2320T-I/SO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC18 (8-bit RISC Harvard) |
| Program Memory (Flash) | 8 KB (4K x 16) |
| RAM | 512 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 40 MHz (10 MIPS) |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| Digital I/O Pins | 25 |
| ADC | 10-bit, up to 10 channels |
| Timers | 2 x 8-bit + 2 x 16-bit |
| PWM Channels | 1 x 10-bit PWM |
| Instruction Set | 77 single-word instructions |
| پیکیج | 28-pin SOIC (SO) wide-body, 7.5 mm body |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (industrial) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| RoHS اسٹیٹس | Compliant |
| MSL لیول | 1 (unlimited floor life) |
PIC18F2320T-I/SO پن کنفیگریشن
| پن 1 | MCLR/VPP/RA3 — Master Clear (reset) input / Programming voltage / Port A bit 3 |
| پن 2 | RA0/AN0 — Digital I/O / Analog channel 0 input |
| پن 3 | RA1/AN1 — Digital I/O / Analog channel 1 input |
| پن 4 | RA2/AN2/VREF- — Digital I/O / Analog channel 2 / ADC negative reference |
| پن 5 | RA3/AN3/VREF+ — Digital I/O / Analog channel 3 / ADC positive reference |
| پن 6 | RA4/AN4/T0CKI — Digital I/O / Analog channel 4 / Timer0 clock input |
| پن 7 | RA5/AN5/SS/LVDIN — Digital I/O / Analog channel 5 / SPI Slave Select / Low-Voltage Detect input |
| پن 8 | OSC1/CLKI/RA7 — Oscillator crystal input / External clock input / Port A bit 7 |
| پن 9 | OSC2/CLKO/RA6 — Oscillator crystal output / Clock output / Port A bit 6 |
| پن 10 | VSS — Ground reference |
| پن 11 | VDD — Positive supply voltage (4.2-5.5 V) |
| پن 12 | RB0/INT0/AN10 — Digital I/O / External interrupt 0 / Analog channel 10 |
| پن 13 | RB1/INT1 — Digital I/O / External interrupt 1 |
| پن 14 | RB2/INT2 — Digital I/O / External interrupt 2 |
| پن 15 | RB3/CCP1 — Digital I/O / Capture/Compare/PWM channel 1 output |
| پن 16 | RB4 — Digital I/O |
| پن 17 | RB5/PGM — Digital I/O / ICSP LVP programming input |
| پن 18 | RB6/PGC — Digital I/O / ICSP clock (programming/debug) |
| پن 19 | RB7/PGD — Digital I/O / ICSP data (programming/debug) |
| پن 20 | RC0/T1OSO/T1CKI — Digital I/O / Timer1 oscillator output / Timer1 clock input |
| پن 21 | RC1/T1OSI/CCP2 — Digital I/O / Timer1 oscillator input / CCP2 output |
| پن 22 | RC2/CCP1 — Digital I/O / CCP1 alternate output |
| پن 23 | RC3/SCK/SCL — Digital I/O / SPI clock / I2C clock |
| پن 24 | RC4/SDI/SDA — Digital I/O / SPI data in / I2C data |
| پن 25 | RC5/SDO — Digital I/O / SPI data out |
| پن 26 | RC6/TX/CK — Digital I/O / USART asynchronous transmit / USART synchronous clock |
| پن 27 | RC7/RX/DT — Digital I/O / USART asynchronous receive / USART synchronous data |
| پن 28 | VSS — Ground reference (second VSS pin) |
عام استعمالات
PIC18F2320T-I/SO کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Sensor Conditioning, Small Appliance Control (Coffee Machines, Microwaves), HVAC Fan and Blower Controllers, General-Purpose 8-bit Embedded Control Boards, Motor Driver Interface Boards, Low-Cost Data Loggers.
Industrial Sensor Conditioning
The PIC18F2320T-I/SO fits industrial sensor-conditioning boards that digitize analog signals at modest sampling rates. Its 10-bit ADC with up to 10 channels handles inputs from thermistors, RTDs, load cells, and 4-20 mA current-loop receivers after external signal conditioning. The 40 MHz CPU (10 MIPS) executes linearization math, digital filtering (moving-average or basic FIR), and HART/Modbus RTU framing in real time. The 8 KB Flash holds the calibration tables, filter coefficients, and protocol stack, while 512 bytes of RAM buffers incoming frames. Engineers pair this MCU with an external op-amp front-end and use the ICSP capability to update calibration firmware in the field without dismantling the panel. The 28-pin SOIC package eases conformal-coating and sealed enclosure assembly for harsh factory environments.
تجویز کردہ
Small Appliance Control (Coffee Machines, Microwaves)
The PIC18F2320T-I/SO is widely deployed in small-appliance controllers including espresso machines, microwave ovens, and induction cooktops where deterministic real-time response is critical. Its 25 digital I/O drive relay banks, triac optocouplers, and seven-segment displays, while the 10-bit ADC reads temperature sensors (NTC), water-level probes, and current sensors. The 77-instruction RISC core simplifies state-machine development in C and assembly, with single-cycle interrupt response ensuring zero missed pulse on zero-cross detection. The wide SOIC-28 package suits the heat-cured conformal-coating processes used in kitchen environments, and the industrial -40C to +85C grade handles oven-door proximity extremes. Firmware updates via ICSP allow manufacturers to revise cooking profiles and safety logic post-launch.
تجویز کردہ
HVAC Fan and Blower Controllers
In HVAC fan-speed controllers and variable-speed blower drives, the PIC18F2320T-I/SO computes PI control loops from temperature-feedback ADC readings and drives PWM outputs to MOSFET gate drivers. The single 10-bit PWM channel is augmented by the Compare-Match timer for commutation of BLDC fan motors, while the four timer modules support tachometer capture for closed-loop RPM regulation. With 8 KB Flash, engineers embed look-up tables for non-linear airflow curves, soft-start ramps, and fault-recovery state machines without external memory. The MCU's 4.2-5.5 V supply matches the rectified 5 V rail from HVAC transformers, and the 25 I/O accommodate user-key inputs, status LEDs, and fault-relay outputs. Long-term reliability is assured by the -40C to +85C industrial grade covering attic and outdoor compressor cabinets.
تجویز کردہ
General-Purpose 8-bit Embedded Control Boards
Designers building hobbyist, educational, and low-volume commercial 8-bit boards reach for the PIC18F2320T-I/SO for its 28-pin SOIC footprint that drops easily onto a 0.7 mm-style breakout. With 8 KB Flash, 512 bytes RAM, and ICSP programming on the standard PGD/PGC pins, the MCU hosts beginner-to-intermediate embedded projects including blinking-LED demos, UART bridges, I2C/SPI sensor hubs, and small protocol converters. The PIC18 instruction set is taught in many university curricula, and the open-source MPLAB X IDE + XC8 compiler toolchain is free. The 25 I/O allow direct connection of character LCDs, keypads, and hobby servo motors without external glue logic. This makes the part a staple for engineering education and rapid-prototyping commercial pilots.
تجویز کردہ
Motor Driver Interface Boards
As a controller front-end for brushed DC and stepper motor driver boards, the PIC18F2320T-I/SO generates step/direction pulses, monitors stall current via ADC, and handles end-of-travel limit-switch interrupts. The four timers provide precise pulse trains up to 40 MHz, with hardware quadrature decoding for optional encoder feedback. The 8 KB Flash accommodates S-curve acceleration profiles and look-up tables for trapezoidal commutation, while 512 bytes of RAM buffer motion command queues. Engineers often pair this MCU with a Microchip TC4427 dual MOSFET driver on the same PCB, with the 28-pin SOIC allowing the layout to fit behind the motor body. The industrial temperature grade supports enclosed stepper enclosures near heated extruders.
تجویز کردہ
Low-Cost Data Loggers
For portable data loggers tracking temperature, humidity, or contact-closure events, the PIC18F2320T-I/SO reads sensors over I2C/SPI and writes timestamped samples to external EEPROM or SD cards via SPI. The 256 bytes of on-chip EEPROM provide boot-config and calibration storage, while the 512 bytes RAM buffer sample bursts before flushing. With nanoWatt Sleep modes (via the 2321 upgrade), battery life extends into months for low-duty-cycle logging. The 10-bit ADC handles direct thermistor readings, and the ICSP capability enables field firmware updates from a USB programmer. The SOIC-28 package fits into compact handheld enclosures for field-service technicians.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC18F2320T-I/SO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC18F2320-I/SO | PIC18F2321T-I/SO | PIC18F2320-I/SP | PIC18F2220T-I/SO | PIC18F4320T-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-28 (wide-body) | SOIC-28 - same | SOIC-28 - same | SPDIP-28 (through-hole) | SOIC-28 - same | SOIC-28 - same |
| Program Flash | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB (-50%) | 8 KB |
| RAM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Maximum Frequency | 40 MHz (10 MIPS) | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Digital I/O | 25 | 25 | 25 | 25 | 25 | 25 |
| nanoWatt Sleep | No | No | Yes | No | No | No |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
اہم امتیازی خصوصیات
- Compact 28-pin SOIC with full PIC18 peripheral set (بمقابلہPIC18F4520-I/P)
- Tape-and-reel SMD packaging for production (بمقابلہPIC18F2320-I/SP)
- Holds 8 KB Flash vs PIC18F2220's 4 KB (بمقابلہPIC18F2220T-I/SO)
ڈیزائن نوٹس
Estimated: at VDD=5.0 V, 40 MHz, all peripherals enabled, the PIC18F2320 typical active current is roughly 11-13 mA per the Microchip datasheet DC characteristics graph. Add a 100 nF decoupling capacitor close to the VDD pin (pin 11) plus a bulk 10 uF tantalum or aluminum cap on the supply rail. Tie the second VSS pin (pin 28) to ground to provide a return-path reference for the analog references; failure to connect pin 28 can degrade ADC accuracy by 1-2 LSB due to digital-return IR drop.
Keep the ICSP lines (RB6/PGC pin 18 and RB7/PGD pin 19) away from switching noise sources and short them to a 2x3 in-circuit programming header for prototype development. The ICSP LVP (low-voltage programming) feature on RB5/PGM (pin 17) requires a 5 V signal; if you use RB5 as a general output, disable LVP via CONFIG to free the pin permanently. Place the analog reference pin (RA3/VREF+, pin 5) and ground (pin 10) trace adjacent to the MCU with minimal digital cross-over to reduce ADC noise.
Do not leave the MCLR/VPP pin (pin 1) floating - tie it to VDD through a 10 kOhm pull-up resistor and a 100 nF cap to ground for reliable reset behavior. When using the internal 8 MHz oscillator with 4x PLL, the PLL lock time at startup is typically 2 ms; account for this in any software timeout or watchdog logic that runs immediately after reset. Finally, the 'T' suffix on PIC18F2320T-I/SO denotes tape-and-reel; the same die in tube or tray form is PIC18F2320-I/SO (no 'T').
تعمیل کی معلومات
RoHS and lead-free compliance per Microchip product page (microchip.com/en-us/product/PIC18F2320). Industrial temperature grade -40C to +85C only; AEC-Q100 automotive variants are not available for this specific part - choose PIC18F2320T-I/SO for industrial/consumer, not automotive.
