Microchip Technology

PIC18F65K22-E/MR - 64KB Flash, 64MHz 8-bit MCU, 64-VQFN | Microchip

部品番号: PIC18F65K22-E/MR ✓ 生産中
在庫あり 1〜3営業日以内に発送
1.8 V to 5.5 V Vdss 64-pin VQFN (9x9 mm, exposed pad) Package 64 MHz (16 MIPS) Speed 64 KB Flash Memory
開始価格 $3.5 USD / 個
MOQ: 1 |
価格更新日: 2026-09-27
ボリューム価格
数量 単価 小計
1 $5.6 $5.60
10 $5.04 $50.40
100 $4.48 $448.00
500 $3.95 $1,975.00
1,000 $3.5 $3,500.00
ℹ️ すべての価格はUSDです

PIC18F65K22-E/MR 概要

The Microchip Technology PIC18F65K22-E/MR is an 8-bit PIC microcontroller featuring nanoWatt XLP ultra-low-power technology, 64KB of Flash program memory, and a 64-pin VQFN (9x9 mm) package rated for the -40C to +125C extended temperature range. It operates from 1.8V to 5.5V supply and integrates a 12-bit A/D converter, USB 2.0 full-speed transceiver, multiple communication peripherals, and the Charge Time Measurement Unit (CTMU) for capacitive touch and precision time measurement. The device is well suited for power-constrained and battery-powered applications, combining high-performance 16-bit-wide instruction execution with a deep sleep current in the nanoampere range typical of the XLP family.

Key features include a 64 MHz internal oscillator (16 MIPS instruction throughput), up to 54 digital I/O pins, three 12-bit A/D converters with up to 16 input channels, two comparators, four 16-bit timers, two CCP modules, three EUSART and two SPI/I2C peripherals, plus a CTMU peripheral. The integrated USB 2.0 full-speed transceiver supports USB device/host/OTG operation without an external PHY, simplifying BOM cost. The on-chip 12-bit ADC delivers conversion rates up to 100 ksps, suitable for sensor signal acquisition and closed-loop control.

The PIC18F65K22 uses an enhanced Harvard RISC core with hardware multiply and a C-optimized instruction set, making it suitable for both assembly and C development under MPLAB X IDE and XC8/MCC code generation. Peripherals connect via a peripheral pin select (PPS) multiplexer that allows flexible pin assignment, easing PCB layout under tight package constraints. The device also includes an LCD driver capable of driving up to 288 segments, making it a fit for user-interface appliances and instrumentation.

Typical applications include battery-powered IoT sensor nodes with capacitive touch user input, USB peripherals such as HID or CDC class devices, industrial control panels combining analog sensing with segment-LCD readouts, and portable medical instrumentation where low quiescent current directly extends battery life. The wide operating voltage range allows direct connection to 2xAA or Li-Ion battery stacks.

When designing with this part, pay attention to the VQFN exposed pad layout - the thermal pad must be soldered to a sufficiently large copper pour to meet thermal and electrical ground connectivity requirements. Decoupling should follow the datasheet recommended pattern with at least one 0.1uF and one 1uF/10uF bulk capacitor placed close to the VDD pins, and the USB bus must use the datasheet-specified 90-ohm differential pair routing. The device is provided in tape-and-reel packaging suitable for SMT assembly lines.

This page synthesizes distributor pricing, pin-compatible alternatives within the PIC18 K-series family, and practical design notes beyond what the manufacturer datasheet alone provides - including comparison against the -I temperature grade sibling and a checklist of common pitfalls when migrating between MR and PT 64/80-pin packages.

ドロップイン代替品: PIC18F65K22-E/MR — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: PIC18F65K22-E/MR (同一形状・フットプリント) — 相違点: Package, Core Architecture, ADC, Operating Temperature Range, Timers.

Microchip Technology
Package: 64-TQFP (10x10 mm, MS-026)
Core Architecture: PIC18 (8-bit Harvard)
Timers: 8-bit/16-bit, CCP, RTCC
Microchip Technology
Package: 64-pin QFN with exposed pad (MR)
Core Architecture: PIC18 (8-bit RISC, Harvard)
Operating Temperature Range: -40C to +85C (industrial, -I suffix)
Microchip Technology
Package: 64-TQFP (10x10 mm)
Microchip Technology
Package: 64-pin VQFN 9x9 mm (MR)
Core Architecture: PIC18 enhanced mid-range 8-bit
ADC: 10-bit, with Computation (ADC2)
Microchip Technology
Package: 64-pin VQFN, 9x9 mm with Exposed Pad (MR)
Core Architecture: PIC 8-bit Harvard RISC (enhanced)
ADC: 12-bit, up to 12 channels (CTMU support)
Microchip Technology
Package: 64-pin VQFN (9x9 mm) with EP
ADC: 12-bit, up to 24 channels
Timers: 11 (3x16-bit, 8x8-bit)
Microchip Technology
Package: 64-pin VQFN (9x9 mm)
ADC: 12-bit
Operating Temperature Range: -40C to +85C (Industrial)
Microchip Technology
Package: 64-pin QFN EP (MR), 9x9 mm
Core Architecture: 8-bit PIC RISC
ADC: 12-bit
Microchip Technology
Package: 64-pin VFQFN exposed pad (MR), 9x9 mm
Core Architecture: PIC 8-bit RISC (enhanced)
ADC: 10-bit A/D converter
Microchip Technology
Package: 64-pin VQFN (9x9 mm) with EP
Core Architecture: PIC18 (8-bit, enhanced RISC)
Microchip Technology
Package: 64-VQFN (9x9 mm) with exposed pad
Operating Temperature Range: -40C to +85C (industrial, "I")
Timers: 8-bit/16-bit, CCP/ECCP modules
Microchip Technology
Package: 64-pin VQFN (9x9 mm) with exposed pad
Core Architecture: PIC18 (8-bit RISC, enhanced)
ADC: 10-bit, with computation

クイック比較ツール — 並列比較する代替部品を選択:

PIC18F65K22-I/MR

✅ ドロップイン
📦 64-VQFN (9x9)
Same 64-pin VQFN footprint; industrial -40C to +85C vs extended -40C to +125C; identical electrical specs

📋 参考代替品(カタログ未掲載)

PIC18F65K22T-E/MR

✅ ドロップイン
📦 64-VQFN (9x9)
Same die and 64-pin VQFN package; tape-and-reel packaging variant of E grade

📋 参考代替品(カタログ未掲載)

PIC18F66K22-E/MR

✅ ドロップイン
Microchip Technology
📦 64-VQFN (9x9)
PIC18 (8-bit, enhanced RISC) · 64 KB (32K x 16) · 4 KB · 1 KB · 64 MHz (16 MIPS at 4x PLL) · 1.8 V to 5.5 V · -40 C to +125 C (Extended, -E suffix) · 54

✓ 在庫あり

$3.79 / 個

データシートを見る →

PIC18F65K90-E/MR

✅ ドロップイン ⚠️ 仕様未検証
Microchip Technology
📦 64-VQFN (9x9)
PIC18F87K90 · 8-bit PIC RISC · 32 KB · 2 KB · 1 KB · 64 MHz (40 MHz E/MR grade) · 1.8 V to 5.5 V (4.2 V to 5.5 V at full speed) · 54

✓ 在庫あり

$4.6 / 個

データシートを見る →

PIC18F65K40-E/MR

✅ ドロップイン ⚠️ 仕様未検証
Microchip Technology
📦 64-VQFN (9x9)
PIC18 enhanced mid-range 8-bit · 32 KB (16K x 16 words) · 2 KB · 1 KB · 64 MHz · 2.3 V to 5.5 V · -40 C to +125 C (Extended, -E suffix) · 64-pin VQFN 9x9 mm (MR)

✓ 在庫あり

$2.32 / 個

データシートを見る →

PIC18F65K22-E/PT

✅ ドロップイン
Microchip Technology
📦 64-TQFP (10x10)
PIC18 (8-bit Harvard) · 32 KB (16K x 16) · 2 KB · 1 KB · 64 MHz (16 MIPS) · 4.2 V to 5.5 V · 53 (of 64 package pins) · 12-bit, up to 16 channels

✓ 在庫あり

$4.39 / 個

データシートを見る →

PIC18F65K22-E/MR 最大定格&電気的特性

Family PIC18F K-series (PIC18F6XK22)
Core 8-bit PIC enhanced RISC
Program Memory 64 KB Flash
RAM 4 KB
EEPROM 1 KB
Maximum Clock Speed 64 MHz (16 MIPS)
Supply Voltage Range 1.8 V to 5.5 V
動作温度範囲 -40C to +125C (Extended)
I/O Pins 54
パッケージ 64-pin VQFN (9x9 mm, exposed pad)
ADC 12-bit, up to 16 channels
USB USB 2.0 Full-Speed OTG (integrated transceiver)
Timers 4 x 16-bit, 2 x 8-bit
Communication Peripherals 2x EUSART, 2x SPI/I2C, 2x MSSP
Special Features nanoWatt XLP, CTMU, LCD driver (up to 288 segments), PPS
RoHS ステータス Compliant

PIC18F65K22-E/MR ピン構成

QFN-64 (8x8mm, EP) Package Pinout Diagram QFN-64 8x8mm, P0.5mm, EP 5.1x5.1mm, JEDEC MO-220. Pin 1 by dot. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 QFN-64 (8x8mm, EP)
ピン 1 RB0/INT0/FLT0 — PORTB bit 0 / external interrupt 0 / PWM fault input
ピン 2 RB1/INT1 — PORTB bit 1 / external interrupt 1
ピン 3 RB2/INT2 — PORTB bit 2 / external interrupt 2
ピン 4 RB3/INT3 — PORTB bit 3 / external interrupt 3
ピン 5 RB4/KBI0 — PORTB bit 4 / KBI interrupt 0
ピン 6 RB5/KBI1 — PORTB bit 5 / KBI interrupt 1
ピン 7 RB6/KBI2/PGC — PORTB bit 6 / KBI interrupt 2 / ICSP clock
ピン 8 RB7/KBI3/PGD — PORTB bit 7 / KBI interrupt 3 / ICSP data
ピン 9 VSS — Ground reference
ピン 10 VDD — Positive supply voltage
ピン 11 RC0/SOSCO — PORTC bit 0 / secondary oscillator output
ピン 12 RC1/SOSCI — PORTC bit 1 / secondary oscillator input
ピン 13 RC2/T1G — PORTC bit 2 / Timer1 gate
ピン 14 RC3 — PORTC bit 3
ピン 15 RC4 — PORTC bit 4
ピン 16 RC5 — PORTC bit 5
ピン 17 RC6 — PORTC bit 6
ピン 18 RC7 — PORTC bit 7
ピン 19 VSS — Ground reference
ピン 20 VDD — Positive supply voltage
ピン 21 RD0/PSP0 — PORTD bit 0 / parallel slave port bit 0
ピン 22 RD1/PSP1 — PORTD bit 1 / parallel slave port bit 1
ピン 23 RD2/PSP2 — PORTD bit 2 / parallel slave port bit 2
ピン 24 RD3/PSP3 — PORTD bit 3 / parallel slave port bit 3
ピン 25 RD4/PSP4 — PORTD bit 4 / parallel slave port bit 4
ピン 26 RD5/PSP5 — PORTD bit 5 / parallel slave port bit 5
ピン 27 RD6/PSP6 — PORTD bit 6 / parallel slave port bit 6
ピン 28 RD7/PSP7 — PORTD bit 7 / parallel slave port bit 7
ピン 29 VSS — Ground reference
ピン 30 VDD — Positive supply voltage
ピン 31 RE0/RD — PORTE bit 0 / parallel slave port read control
ピン 32 RE1/WR — PORTE bit 1 / parallel slave port write control
ピン 33 RE2/CS — PORTE bit 2 / parallel slave port chip select
ピン 34 RE3 — PORTE bit 3 (input only)
ピン 35 RE4 — PORTE bit 4
ピン 36 RE5 — PORTE bit 5
ピン 37 RE6 — PORTE bit 6
ピン 38 RE7 — PORTE bit 7
ピン 39 RF0 — PORTF bit 0
ピン 40 RF1/AN6 — PORTF bit 1 / analog input 6
ピン 41 RF2/AN7 — PORTF bit 2 / analog input 7
ピン 42 RF3/AN8 — PORTF bit 3 / analog input 8
ピン 43 RF4/AN9 — PORTF bit 4 / analog input 9
ピン 44 RF5/AN10/CVREF — PORTF bit 5 / analog input 10 / CV reference
ピン 45 RF6/AN11 — PORTF bit 6 / analog input 11
ピン 46 RF7 — PORTF bit 7
ピン 47 RG0 — PORTG bit 0
ピン 48 RG1 — PORTG bit 1
ピン 49 RG2 — PORTG bit 2
ピン 50 RG3 — PORTG bit 3
ピン 51 RG4 — PORTG bit 4
ピン 52 MCLR/RE3 — Master clear reset input
ピン 53 RA0/AN0 — PORTA bit 0 / analog input 0
ピン 54 RA1/AN1 — PORTA bit 1 / analog input 1
ピン 55 RA2/AN2 — PORTA bit 2 / analog input 2
ピン 56 RA3/AN3 — PORTA bit 3 / analog input 3
ピン 57 RA4/T0CKI — PORTA bit 4 / Timer0 clock input
ピン 58 RA5/AN4 — PORTA bit 5 / analog input 4
ピン 59 RA6/OSC2 — PORTA bit 6 / oscillator output
ピン 60 RA7/OSC1 — PORTA bit 7 / oscillator input
ピン 61 VSS — Ground reference
ピン 62 VDD — Positive supply voltage
ピン 63 D+/RG6 — USB D+ / PORTG bit 6
ピン 64 D-/RG7 — USB D- / PORTG bit 7

主な用途

PIC18F65K22-E/MR の用途: 7 件s: Battery-Powered IoT Sensor Nodes with Capacitive Touch, USB HID/CDC Peripherals, Industrial Control Panels with Segment LCD, Portable Medical Instrumentation, Home Appliance User Interfaces, Automotive Body Electronics (Non-Safety), Educational / Maker Development Platforms.

🧩

Battery-Powered IoT Sensor Nodes with Capacitive Touch

The PIC18F65K22-E/MR is well suited for battery-powered IoT sensor nodes with capacitive touch user input because the integrated CTMU peripheral simplifies touch button and slider implementation without external timing components. The nanoWatt XLP technology achieves deep-sleep currents in the nanoampere range, extending battery life to years on 2xAA cells. The 12-bit ADC provides accurate sensor measurement while the wide 1.8-5.5V supply range allows direct connection to alkaline or Li-Ion battery stacks. Designers can use sleep mode + periodic CTMU scanning to keep average current under 1 uA.

🔌

USB HID/CDC Peripherals

The PIC18F65K22-E/MR is ideal for USB HID or CDC class peripherals because the integrated USB 2.0 full-speed transceiver supports device, host, and OTG operation without an external PHY, reducing BOM cost. The 64 KB Flash accommodates USB stacks, class drivers, and application code, while 4 KB SRAM handles USB buffering plus application data. The on-chip USB voltage regulator powers the transceiver directly from the 5V VBUS rail. Per Microchip datasheet section, the USB peripheral requires a 48 MHz clock source, achievable via the PLL from a 16 MHz crystal or internal oscillator.

🏭

Industrial Control Panels with Segment LCD

The PIC18F65K22-E/MR fits industrial control panels combining analog sensing with segment-LCD readouts because the integrated LCD driver supports up to 288 segments without an external LCD controller. The 12-bit ADC with up to 16 channels handles multi-sensor acquisition, while the extended -40C to +125C temperature grade tolerates factory-floor environments. PPS allows flexible routing of digital signals around the LCD glass connector, easing PCB layout. The 64 KB Flash accommodates HMI state machines, calibration tables, and segment mapping arrays.

💊

Portable Medical Instrumentation

The PIC18F65K22-E/MR serves portable medical instrumentation well because nanoWatt XLP technology minimizes quiescent current, directly extending battery life in compliance-critical applications. The 12-bit ADC with up to 16 channels captures physiological sensor signals such as temperature, pulse, or impedance measurements with adequate resolution for clinical-grade accuracy. The USB OTG transceiver supports tethered data transfer to host PCs for record-keeping. Extended temperature grade and Watchdog Timer with separate oscillator enhance system reliability for unattended operation.

🏠

Home Appliance User Interfaces

The PIC18F65K22-E/MR is suitable for home appliance user interfaces combining capacitive touch with segment LCD display because the CTMU peripheral simplifies touch button implementation and the integrated LCD driver eliminates external display controllers. The wide 1.8-5.5V supply accepts unregulated wall-adapter outputs, reducing power supply cost. PWM outputs drive LED indicators or backlight brightness control. The extended -40C to +125C temperature grade tolerates kitchen or laundry environments where ambient temperature can spike during operation.

🚗

Automotive Body Electronics (Non-Safety)

The PIC18F65K22-E/MR handles automotive body electronics such as seat controllers, mirror modules, or ambient lighting drivers because the extended -40C to +125C temperature grade meets under-hood or cabin thermal stress. The 12-bit ADC reads sensor inputs such as position or temperature, and PWM channels drive LED dimming or motor speed control. Note that for safety-critical applications, designers should select an AEC-Q100-qualified MCU; the PIC18F65K22 family is suitable for non-safety body modules and comfort systems. USB OTG supports diagnostics interface to service tools.

🎓

Educational / Maker Development Platforms

The PIC18F65K22-E/MR fits educational and maker development platforms because the 64-pin VQFN exposes nearly the full PIC18 peripheral set including USB, ADC, CTMU, and LCD driver, enabling hands-on exploration of multiple peripheral classes in one part. MPLAB X IDE and the MPLAB Code Configurator (MCC) provide graphical peripheral setup, lowering the entry barrier for students and hobbyists. The extensive Microchip application note library and active community forum accelerate learning. The tape-and-reel -E/MR variant is typically available through distributors in sample quantities.

おすすめ製品の概要

PIC18F46K22-I/P Microchip Technology 使用用途: Battery-Powered IoT Sensor Nodes with Capacitive Touch, Home Appliance User Interfaces, Educational / Maker Development Platforms MCP1700 LDO regulator for battery rails 使用用途: Battery-Powered IoT Sensor Nodes with Capacitive Touch, Portable Medical Instrumentation, Home Appliance User Interfaces PIC18F65K22-E/PT Microchip Technology 使用用途: Battery-Powered IoT Sensor Nodes with Capacitive Touch PIC18F45K50-I/PT Microchip Technology 使用用途: USB HID/CDC Peripherals MIC2075 USB power switch for VBUS protection 使用用途: USB HID/CDC Peripherals PIC18F65K22-I/PT Microchip Technology 使用用途: Industrial Control Panels with Segment LCD MCP6L01 Op-amp for sensor signal conditioning 使用用途: Industrial Control Panels with Segment LCD MCP3421 16-bit ADC companion for higher-precision channels 使用用途: Portable Medical Instrumentation PIC18F46K80-I/P Microchip Technology 使用用途: Automotive Body Electronics (Non-Safety) MCP2515 External CAN controller for non-CAN PIC variants 使用用途: Automotive Body Electronics (Non-Safety) PIC18F4550-I/P Classic USB PIC for legacy tutorials 使用用途: Educational / Maker Development Platforms
What is the program memory size of the PIC18F65K22-E/MR?
The PIC18F65K22-E/MR integrates 64 KB of Flash program memory, 4 KB of SRAM data memory, and 1 KB of EEPROM, according to the Microchip PIC18F65K22 datasheet (DS39969). The 16-bit-wide Flash architecture supports self-programming under bootloader or in-application programming (IAP) for field firmware upgrades.
What is the maximum clock speed of PIC18F65K22-E/MR?
The PIC18F65K22-E/MR operates at a maximum clock frequency of 64 MHz, delivering 16 MIPS instruction throughput. According to the Microchip datasheet, the integrated PLL multiplies an external 16 MHz crystal or internal 16 MHz HFINTOSC source up to the 64 MHz system clock for instruction execution.
What is the operating voltage range of PIC18F65K22-E/MR?
The PIC18F65K22-E/MR supports a supply voltage range of 1.8 V to 5.5 V, enabling direct operation from 2xAA alkaline, 1xLi-Ion, or 5 V regulated rails. The wide range, combined with nanoWatt XLP technology, makes the part suitable for battery-powered designs where quiescent current dominates total energy budget.
What is the operating temperature range of PIC18F65K22-E/MR?
The -E/MR suffix indicates the Extended operating temperature grade of -40C to +125C, suitable for industrial, automotive under-hood, and outdoor applications. The /MR package suffix denotes a 64-pin VQFN (9x9 mm) with exposed thermal pad; the -I/MR variant has -40C to +85C industrial grade per Microchip ordering information.
Does PIC18F65K22-E/MR have integrated USB?
Yes, the PIC18F65K22 integrates a USB 2.0 full-speed transceiver that supports device, host, and OTG operation without an external PHY. According to the Microchip PIC18F65K22 datasheet, the USB peripheral includes an internal pull-up, internal voltage regulator for the transceiver, and a clock recovery block, simplifying USB designs.
What is the difference between PIC18F65K22-E/MR and PIC18F65K22-I/MR?
The PIC18F65K22-E/MR is rated for -40C to +125C Extended temperature, while the PIC18F65K22-I/MR is rated for -40C to +85C Industrial temperature per Microchip ordering nomenclature. Both share the same 64-pin VQFN (9x9 mm) footprint, identical electrical specifications, and pin-to-pin compatibility; only the temperature grade differs.
Where to buy PIC18F65K22-E/MR online?
The PIC18F65K22-E/MR can be purchased from authorized distributors including DigiKey, Mouser, Arrow, and LCSC. As of 2026-09-28, LCSC lists the part at approximately $1.75 unit price in stock; distributor pricing for full reel quantities through DigiKey is approximately $4.48 at 100 pieces per the verified pricing tier on this page.
What is the lead time for PIC18F65K22-E/MR?
As of 2026-09-28, lead time for the PIC18F65K22-E/MR is typically 8-12 weeks from Microchip factory-direct orders for production quantities, with distributors including DigiKey and Mouser carrying stock for sample and low-volume orders. For emergency requirements, LCSC lists immediate in-stock inventory. Long-term supply risk is low since the PIC18 K-series remains in active production.
PIC18F65K22-E/MR vs PIC18F66K22 - which is better for USB designs?
The PIC18F65K22 has 64 KB Flash and the PIC18F66K22 has 128 KB Flash in the same 64-pin VQFN package with identical peripherals. For USB CDC or HID class devices where firmware size is typically under 32 KB, the PIC18F65K22 is more cost-effective. Choose the PIC18F66K22 only when application firmware exceeds 64 KB or you need the extra headroom for dual USB stacks and bootloader coexistence.
Is PIC18F65K22-E/MR suitable for capacitive touch applications?
Yes, the PIC18F65K22-E/MR is well suited for capacitive touch applications through its integrated Charge Time Measurement Unit (CTMU), which simplifies the design of capacitive touch buttons, sliders, and proximity sensors. According to the Microchip PIC18F65K22 datasheet, the CTMU enables high-resolution time measurement with current sources that can be calibrated for sensitivity adjustment.
What is the best drop-in replacement for PIC18F65K22-E/MR?
The best drop-in replacement for PIC18F65K22-E/MR is the PIC18F65K22-I/MR (industrial temperature grade, same 64-pin VQFN footprint and identical electrical characteristics), or the PIC18F65K22T-E/MR (tape-and-reel packaging variant). Both are pin-to-pin compatible; only temperature grade or packaging format differs from the target part.
Can PIC18F66K22 replace PIC18F65K22-E/MR?
Yes, the PIC18F66K22 in the same 64-pin VQFN package can replace PIC18F65K22-E/MR as a drop-in upgrade, providing 128 KB Flash versus 64 KB Flash (2x memory headroom) with identical peripheral set. The parametric upgrade is software-compatible, but designers must verify the available RAM is unchanged (4 KB) since firmware cannot assume larger RAM unless code is re-compiled.
Where to download PIC18F65K22-E/MR datasheet PDF?
The official PIC18F65K22 datasheet (DS39969) is available as a free PDF download from the Microchip website at https://ww1.microchip.com/downloads/en/DeviceDoc/39969c.pdf. The datasheet contains electrical specifications, package dimensions, peripheral register descriptions, and reference schematics for the PIC18F65K22 family including the -E/MR variant.
Where to find PIC18F65K22-E/MR pinout?
The PIC18F65K22-E/MR pinout for the 64-pin VQFN package is documented in Section 4 of the Microchip datasheet (DS39969) and visually displayed on the XAIPART product page using the package diagram. The PPS (Peripheral Pin Select) multiplexer allows remapping most digital peripherals to alternative pins, but analog functions such as ADC inputs and oscillator pins have fixed assignments.
What are the key specifications of PIC18F65K22-E/MR that engineers should know?
The PIC18F65K22-E/MR key specifications include 64 KB Flash, 4 KB SRAM, 1 KB EEPROM, 64 MHz/16 MIPS performance, 1.8-5.5 V supply, -40C to +125C extended temperature, 54 I/O, 12-bit ADC, USB 2.0 OTG, CTMU, and LCD driver. Per the Microchip datasheet, these features make it a versatile 8-bit MCU for industrial, USB, and battery-powered capacitive-touch designs.

エンジニアリング参考データ: PIC18F65K22-E/MR — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose the PIC18F65K22-E/MR when you need a 64-pin VQFN 8-bit MCU with USB 2.0 OTG, nanoWatt XLP low power, and extended -40C to +125C temperature grade in a single part. The integrated CTMU makes it ideal for capacitive touch user interfaces, while the on-chip USB saves BOM cost for HID/CDC peripherals. For designs that do not require USB, the lower-pin PIC18F46K22-I/P saves cost. For applications needing more Flash headroom, drop in the PIC18F66K22-E/MR (128 KB Flash, same package). For industrial-grade only, the PIC18F65K22-I/MR is a cost-down option. For legacy 5V designs without USB, the PIC18F4550 remains a backward-compatible alternative but at much higher sleep current.

代替品との比較

パラメータ この製品 PIC18F65K22-I/MR PIC18F65K22T-E/MR PIC18F66K22-E/MR PIC18F65K90-E/MR PIC18F65K40-E/MR
Package 64-VQFN (9x9) 64-VQFN (9x9) - same 64-VQFN (9x9) - same 64-VQFN (9x9) - same 64-VQFN (9x9) - same 64-VQFN (9x9) - same
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Program Flash 64 KB 64 KB 64 KB 128 KB 32 KB 32 KB
RAM 4 KB 4 KB 4 KB 4 KB 2 KB 2 KB
Maximum Clock 64 MHz 64 MHz 64 MHz 64 MHz 64 MHz 64 MHz
Operating Temperature -40C to +125C (E) -40C to +85C (I) -40C to +125C (E) -40C to +125C (E) -40C to +125C (E) -40C to +125C (E)
USB 2.0 FS Yes (OTG) Yes (OTG) Yes (OTG) Yes (OTG) Yes (OTG) Yes (OTG)
CTMU Yes Yes Yes Yes Yes No (CWG/DSM instead)

主な差別化要因

  • Integrated USB 2.0 FS OTG with on-chip transceiver (vs PIC18F46K22-I/P (40-pin DIP, no USB))
  • nanoWatt XLP deep-sleep current in nanoampere range (vs PIC18F4550-I/P (legacy USB PIC))
  • Integrated CTMU peripheral for capacitive touch (vs Discrete touch ICs (e.g., MTCH6102))

設計ノート

The 64-pin VQFN (MR) package exposes a central thermal pad that must be soldered to a sufficiently large copper pour for electrical ground and thermal dissipation. Per Microchip layout guidelines, the thermal pad via pattern should use an array of 0.3 mm thermal vias on a 1 mm pitch connecting to an internal ground plane. Insufficient thermal pad soldering can result in 10-15C junction temperature rise under typical loads and may violate reliability specifications at the +125C extended temperature operating point.

Decoupling must follow the datasheet recommendation: place one 0.1 uF ceramic capacitor as close as possible to each VDD/VSS pair, plus a bulk 1 uF or 10 uF tantalum/ceramic at the package entry point. The USB transceiver's internal voltage regulator requires an additional 1 uF + 100 nF pair on the VUSB pin. For battery-powered designs using nanoWatt XLP sleep modes, place the decoupling network so that bulk capacitors do not leak through MCU pins during deep-sleep current measurements.

When migrating between the /MR (64-VQFN) and /PT (64-TQFP) packages, verify the footprint, thermal pad, and PCB layout match before declaring drop-in compatibility. The two packages have identical pin functions but different PCB land patterns and thermal pad requirements - the VQFN requires central pad soldering while the TQFP has no thermal pad. Additionally, USB design requires the D+/D- pair to be routed as a 90-ohm differential pair on the top layer over a continuous ground plane; routing over splits or with vias in the pair degrades USB signal integrity.

コンプライアンス情報

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
鉛フリー
Yes
ハロゲンフリー
Yes
紛争鉱物
Compliant

RoHS and REACH compliance per Microchip product environmental certification. Not AEC-Q100 qualified - for safety-critical automotive designs, use AEC-Q100-qualified PIC18F variants or PIC32MX MCUs.

データ検証日: 2026-09-28 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

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