PIC18F2620-E/SO - 8-Bit MCU 25MHz 64KB Flash 28-SOIC | Microchip
MPN: PIC18F2620-E/SO ✓ NakahandaPIC18F2620-E/SO Ulas
Key features include 10 MIPS performance from a C-compiler-optimized RISC architecture, single-cycle 8x8 hardware multiplier, Fail-Safe Clock Monitor for safe shutdown on clock failure, and a separate-oscillator Watchdog Timer for robust field operation. The PIC18F2620 family introduces design enhancements that make these microcontrollers a logical choice for many high-performance and power-sensitive applications. NanoWatt power management, Enhanced Capture/Compare/PWM (ECCP) modules, and a 10-bit ADC round out the peripheral set.
What is a PIC18F microcontroller? The PIC18F is Microchip's enhanced 8-bit Harvard-architecture RISC MCU family - a microcontroller is a single-chip computer integrating CPU, memory, and peripherals. PIC18F -> PIC18 family -> PIC microcontrollers -> 8-bit MCU -> microcontroller -> embedded IC. This taxonomy positions the part at the high end of the 8-bit performance range, between baseline PIC16 parts and the 16-bit dsPIC/PIC24 line.
Typical applications include industrial control nodes, sensor conditioning with on-chip ADC, USB-less (pre-PIC18F2550 family) embedded control, white-goods motor control via ECCP, and battery-backed instrumentation where nanoWatt modes extend runtime. The -E suffix denotes the -40C to +125C extended operating-temperature range suitable for industrial and outdoor environments.
When designing with this device, place a 0.1 uF decoupling capacitor within 5 mm of each power pin (VDD/VSS pairs) and use a 10 uF bulk capacitor near the IC. Configure the MCLR pin with the recommended 10 kohm pull-up to VDD to avoid spurious resets during power-up. The internal 8 MHz oscillator trims via OSCCON registers and the PLL can multiply the internal clock, allowing BOM savings versus an external crystal.
Mga alternatibo na pwedeng ilagay na PIC18F2620-E/SO — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok PIC18F2620-E/SO (parehas na form factor at footprint) — pagkakaiba sa Package, ADC, Operating Temperature, Core Architecture, Program Memory (Flash).
PIC18F2620-I/SO
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC18F2620T-I/SO
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC18F2520-E/SO
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC18F25K22-I/SO
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC18F2580-I/SO
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
PIC18F2620-E/SO Mga Pinakamataas na Rating at Electrical Characteristics
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Core | PIC18F |
| Family | PIC18F2525/2620/4525/4620 |
| Maximum CPU Speed | 25 MHz (10 MIPS) |
| Program Memory | 64 KB Flash (32K x 16) |
| RAM | 3,968 bytes |
| I/O Pins | 25 |
| Volte ng Pagbibigay | 4.2 V to 5.5 V |
| Temperature na Operasyon | -40 C to +125 C (Extended, -E suffix) |
| Packhaging | 28-pin SOIC (wide-body) |
| Uri ng Pagpapasok | Surface Mount |
| ADC | 10-bit |
| Internal Oscillator | 31 kHz to 8 MHz |
| Hardware Multiplier | 8 x 8 single-cycle |
| Watchdog Timer | Yes, with separate RC oscillator |
| Fail-Safe Clock Monitor | Yes |
| Tindminan RoHS | Compliant |
Pin Configuration ng PIC18F2620-E/SO
| Pin 1 | MCLR/VPP — Master Clear (reset) input / programming voltage |
| Pin 2 | RA0/AN0 — Digital I/O / analog input channel 0 |
| Pin 3 | RA1/AN1 — Digital I/O / analog input channel 1 |
| Pin 4 | RA2/AN2/VREF- — Digital I/O / analog input channel 2 / ADC VREF- |
| Pin 5 | RA3/AN3/VREF+ — Digital I/O / analog input channel 3 / ADC VREF+ |
| Pin 6 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| Pin 7 | RA5/AN4/SS — Digital I/O / analog input channel 4 / SPI slave select |
| Pin 8 | OSC1/RA7 — Crystal oscillator input / digital I/O |
| Pin 9 | OSC2/RA6 — Crystal oscillator output / digital I/O |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VDD — Positive supply (4.2 V to 5.5 V) |
| Pin 12 | RB0/INT0 — Digital I/O / external interrupt 0 |
| Pin 13 | RB1/INT1 — Digital I/O / external interrupt 1 |
| Pin 14 | RB2 — Digital I/O |
| Pin 15 | RB3 — Digital I/O |
| Pin 16 | RB4 — Digital I/O |
| Pin 17 | RB5 — Digital I/O |
| Pin 18 | RB6/PGC — Digital I/O / ICSP clock |
| Pin 19 | RB7/PGD — Digital I/O / ICSP data |
| Pin 20 | VSS — Ground reference |
| Pin 21 | VDD — Positive supply (4.2 V to 5.5 V) |
| Pin 22 | RC0 — Digital I/O |
| Pin 23 | RC1 — Digital I/O |
| Pin 24 | RC2/CCP1 — Digital I/O / Capture/Compare/PWM 1 |
| Pin 25 | RC3 — Digital I/O |
| Pin 26 | RC4 — Digital I/O |
| Pin 27 | RC5 — Digital I/O |
| Pin 28 | RC6/TX/CK — Digital I/O / USART TX / clock |
Tipikal na mga Gamit
PIC18F2620-E/SO ay nararapat para sa 6 aplikasyons: Industrial Control Nodes, White-Goods Motor Control, Sensor Conditioning with On-Chip ADC, Battery-Backed Instrumentation, HVAC and Building Automation, Automotive Body Electronics (Non-Safety).
Industrial Control Nodes
The PIC18F2620-E/SO fits industrial control nodes because its 64 KB Enhanced Flash holds large ladder-logic firmware and its 25 I/O pins drive sensors, relays, and HMI interfaces at 5 V. The -40 C to +125 C operating range lets the same PCB survive factory-floor cabinets and outdoor enclosures without thermal derating. The Fail-Safe Clock Monitor allows safe shutdown if the external crystal fails, while the 10-bit ADC digitizes 4-20 mA loop signals directly. Pair with a PIC18F25K22-I/SO for new low-power variants.
Inirekomenda
White-Goods Motor Control
The PIC18F2620-E/SO's Enhanced Capture/Compare/PWM (ECCP) module generates precise PWM outputs for washing-machine, dishwasher, and refrigerator motor control at 5 V logic. The hardware 8x8 multiplier executes single-cycle PID math for closed-loop speed regulation, while 64 KB Flash accommodates the full motor-control state machine and lookup tables. The wide-temperature grade survives compressor-coastal heat soak. Use PIC18F2520-E/SO for cost-down designs with reduced firmware footprint.
Inirekomenda
Sensor Conditioning with On-Chip ADC
The PIC18F2620-E/SO's 10-bit ADC and 25 MHz core digitize thermocouple, strain-gauge, and pressure-sensor signals in real time. With 64 KB Flash, designers embed calibration tables and digital-filter routines (FIR/IIR) without external memory; the 3,968 bytes RAM buffers multi-channel sample streams. The internal oscillator eliminates an external crystal, reducing BOM cost for sealed sensor probes. Pair with PIC18F2585-I/SO when CAN bus reporting is required.
Inirekomenda
Battery-Backed Instrumentation
The PIC18F2620-E/SO's nanoWatt power-management modes reduce sleep current to microamp levels, extending runtime in battery-backed metering and remote-monitoring instruments. The internal 31 kHz-8 MHz oscillator lets the MCU wake on RTCC interrupts without external components, while 64 KB Flash stores months of logging data with circular buffers. The wide supply range (4.2-5.5 V) accepts direct battery connections with simple LDO regulation.
Inirekomenda
HVAC and Building Automation
The PIC18F2620-E/SO suits HVAC and building-automation controllers because its 25 I/O pins interface directly to relays, TRIAC drivers, and 0-10 V analog actuator outputs at 5 V. The ECCP module produces phase-angle or zero-cross TRIAC firing pulses for AC load dimming, while 64 KB Flash stores schedule logic and Modbus/RTU stacks. The industrial -E temperature grade tolerates rooftop and basement cabinet environments without active cooling.
Inirekomenda
Automotive Body Electronics (Non-Safety)
The PIC18F2620-E/SO fits automotive body-electronics modules (interior lighting, seat controllers, mirror adjusters) where the -40 C to +125 C range handles under-dash thermal stress and 64 KB Flash holds body-control firmware. The internal oscillator with PLL simplifies PCB layout versus external crystals, while 25 I/O drive low-side MOSFET switches directly. For safety-critical domains, migrate to PIC18F46K22 family; for CAN bus, choose PIC18F2580-I/SO.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for PIC18F2620-E/SO — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | PIC18F2620-I/SO | PIC18F2520-E/SO | PIC18F25K22-I/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (wide-body) | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Program Memory | 64 KB Flash | 64 KB Flash | 32 KB Flash (-50%) | 32 KB Flash (-50%) |
| Maximum CPU Speed | 25 MHz (10 MIPS) | 25 MHz (10 MIPS) | 25 MHz (10 MIPS) | 64 MHz (16 MIPS) |
| RAM | 3,968 bytes | 3,968 bytes | 1,536 bytes | 1,536 bytes |
| Operating Temperature | -40 C to +125 C (-E extended) | -40 C to +85 C (industrial) | -40 C to +125 C (-E) | -40 C to +85 C (industrial) |
| Supply Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 1.8 V to 5.5 V (XLP) |
| Internal Oscillator | 31 kHz to 8 MHz | 31 kHz to 8 MHz | 31 kHz to 8 MHz | 31 kHz to 16 MHz (HF) |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit |
| nanoWatt XLP Power Modes | No (legacy nanoWatt) | No (legacy nanoWatt) | No (legacy nanoWatt) | Yes (XLP) |
Pangunahing mga Pagkakaiba
- Extended -40 C to +125 C temperature grade in same 28-SOIC package (kumpara saPIC18F2620-I/SO)
- 64 KB Enhanced Flash vs 32 KB Flash for legacy firmware reuse (kumpara saPIC18F2520-E/SO)
- Mature legacy silicon with wide 5 V supply tolerance (kumpara saPIC18F25K22-I/SO)
Talaan ng Disenyo
Place a 0.1 uF decoupling capacitor within 5 mm of each VDD/VSS pair (pins 11/10 and 21/20) and add a single 10 uF bulk tantalum or ceramic capacitor on the same 5 V rail. Estimated: at 25 MHz and 5 V supply the PIC18F2620-E/SO typically draws ~15-20 mA active; bulk decoupling prevents supply droop during Flash program/erase. Keep analog VREF+ (RA3) and VREF- (RA2) traces short and bypass them with 0.1 uF capacitors if used in ADC mode.
Route the crystal traces (OSC1/RA7 pin 8 and OSC2/RA6 pin 9) as short, symmetric differential pairs with a ground guard ring; keep them away from switching signals and the ICSP lines (RB6/PGC pin 18, RB7/PGD pin 19). When using the internal oscillator, leave OSC1/OSC2 as GPIO (RA6/RA7) but still bypass them with 0.1 uF to VDD if unused. Provide a 10 kohm pull-up on MCLR/VPP (pin 1) to VDD to avoid spurious resets.
Do not exceed 5.5 V on any pin including MCLR; the part is 5 V-only and has no 3.3 V tolerance without level translation. Configuration bits (CONFIG1H/2L/3H/4L registers) must be programmed before Flash programming or the part may not boot - refer to the datasheet Section 25 (CPU Features) for defaults. The BOR (brown-out reset) and PWRT (power-up timer) should remain enabled for industrial deployments. Watchdog Timer postscaler must be cleared in firmware or unexpected resets will occur.
Impormasyon ng Pagsunod sa Kautusan
RoHS and REACH compliant per Microchip product page; lead-free and halogen-free. Not AEC-Q100 qualified - PIC18F2620-E/SO is general industrial grade; for AEC-Q100 qualified parts use PIC18F46K22 family.
