PIC18F6720-E/PT - 64KB Flash, 80-Pin MCU | Microchip
料号： PIC18F6720-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.42 | $9.42 |
| 10 | $8.39 | $83.90 |
| 100 | $7.45 | $745.00 |
| 500 | $6.58 | $3,290.00 |
| 1,000 | $5.88 | $5,880.00 |
PIC18F6720-E/PT 概述
An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU core, program memory, data RAM, and peripherals onto one silicon die. The PIC18 family belongs to the broader 8-bit MCU taxonomy, sitting under the larger microcontroller category and ultimately under embedded processors/ICs in the semiconductor hierarchy. PIC18 devices are widely used because of their deterministic instruction execution, low power consumption, self-programmability, and C-compiler friendly architecture that simplifies firmware development for cost-sensitive embedded designs.
Key differentiating features of the PIC18F6720-E/PT include its 40 MHz maximum operating frequency, wide 4.2V to 5.5V supply range, four timer modules plus a 16-bit timer, five capture/compare/PWM (CCP) channels, and external memory addressing up to 2 MB. The device also supports In-Circuit Serial Programming (ICSP) via the integrated ICD, dual analog comparators with programmable reference, and parallel slave port for external bus interfacing. The 'E' suffix denotes the extended industrial temperature range (-40C to +125C).
Architecturally, the PIC18F6720 uses an enhanced Harvard bus with separate program and data paths, an 8-bit ALU, and a hardware multiplier for 8x8 signed/unsigned operations in a single cycle. The 1024-byte EEPROM and 128 KB Flash support self-programming under firmware control, enabling bootloader-based field updates. The 12-channel 10-bit ADC delivers up to 30 ksps conversion rate, sufficient for sensor monitoring and motor control loops.
Typical applications include industrial automation controllers, automotive body and HVAC subsystems, smart energy metering, building automation, white goods with HMI displays, and embedded operator-interface terminals. The 54 I/O pins make it well-suited for keypad scan, LCD drive, and multi-signal acquisition designs.
Designers should pay particular attention to the decoupling capacitor network around VDD/AVDD/VSS/AVSS and to the ICSP clock/data pin assignments that must be reserved for in-system programming. For migration paths, engineers should evaluate the PIC18F66K90-I/PT family, which provides lower power consumption and newer peripherals in the same 64-pin TQFP footprint.
This page synthesizes distributor pricing, drop-in alternatives, parametric comparisons, and practical design notes that supplement the Microchip datasheet with engineer-friendly context.
直接替换替代料： PIC18F6720-E/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC18F6720-E/PT （相同外形与封装尺寸） ——差异在于 Package, Core Architecture, Operating Temperature, Timers, ADC.
快速对比工具——选择替代料号进行并排对比：
PIC18F6720-I/PT
✅ 直接替换✓ 有现货
$21.1 / 个
查看数据手册 →PIC18F6680-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F6628-I/PT
✅ 直接替换✓ 有现货
$5.2 / 个
查看数据手册 →PIC18F66K22-I/PT
✅ 直接替换✓ 有现货
$3.96 / 个
查看数据手册 →PIC18F66K90-I/PT
✅ 直接替换✓ 有现货
$4.15 / 个
查看数据手册 →PIC18F6627-I/PT
✅ 直接替换✓ 有现货
$5.42 / 个
查看数据手册 →PIC18F6622-E/PT
✅ 直接替换✓ 有现货
$6.71 / 个
查看数据手册 →PIC18F6620T-I/PT
✅ 直接替换✓ 有现货
$4.18 / 个
查看数据手册 →PIC18F6720-E/PT 最大额定值与电气特性
| Core Architecture | PIC18 8-bit enhanced Harvard |
| Program Memory (Flash) | 128 KB (64K x 16) |
| RAM Size | 3936 bytes |
| EEPROM Size | 1024 bytes |
| Maximum Clock Speed | 40 MHz |
| MIPS Performance | 10 MIPS |
| Supply Voltage Range | 4.2 V to 5.5 V |
| 工作温度范围 | -40C to +125C (E grade) |
| Digital I/O Pins | 54 |
| ADC | 12 channels, 10-bit |
| Comparators | 2 |
| CCP/PWM Channels | 5 |
| Timers | 4 + 16-bit |
| Serial Interfaces | SPI / I2C (MSSP), USART, PSP |
| 封装 | TQFP-64 (PT), 10x10 mm |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC18F6720-E/PT tqfp-64 (pt), 10x10 mm 引脚配置指南
PIC18F6720-E/PT（tqfp-64 (pt), 10x10 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： PIC18F6720-E/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PIC18F6720-E/PT 适用于 6 应用s: Industrial Automation Controller, Automotive Body and HVAC Control, Smart Energy Meter, White Goods and HMI Controller, Building Automation and Access Control, Embedded Operator Interface Terminal.
Industrial Automation Controller
The PIC18F6720-E/PT is well suited for industrial automation controllers because it offers 128 KB Flash for ladder-logic or PID loops, 3936 bytes RAM for buffer management, and 54 I/O pins to interface with sensors, contactors, and HMIs. The 12-channel 10-bit ADC samples analog signals from temperature, pressure, and current transducers at up to 30 ksps, while the 5 CCP/PWM channels drive motor drivers or solenoid banks. With extended -40C to +125C operation, the device tolerates factory floor thermal stress. The 5V supply tolerance simplifies integration with industrial 24V->5V buck rails.
推荐
Automotive Body and HVAC Control
In automotive body and HVAC modules, the PIC18F6720-E/PT provides sufficient compute and I/O to drive LIN-connected mirror modules, seat controllers, and HVAC damper actuators. The wide 4.2V to 5.5V supply survives 12V battery cranking transients when properly filtered, while the extended temperature grade handles under-hood and cabin extremes. The 5 PWM channels with hardware CCP enable precise BLDC motor speed loops in fans and blowers, while the 10-bit ADC reads cabin temperature sensors. The 1024-byte EEPROM stores trim and diagnostic data without external storage ICs.
推荐
Smart Energy Meter
The PIC18F6720-E/PT is a strong fit for single-phase smart energy meters where it computes RMS power from voltage and current channels, manages tariff schedules, and drives an LCD or LED display. Its 12-channel ADC simplifies analog front-end interface for current transformers and voltage dividers, while its 128 KB Flash holds metering firmware, IEC 62056-21 protocols, and DLMS/COSEM stacks. The 5 CCP/PWM channels drive piezo buzzers and LED bar-graph indicators, and the EEPROM retains logged kWh across power cycles. The 54 I/Os interface with optocouplers for tamper detection.
推荐
White Goods and HMI Controller
In washing machines, dishwashers, and induction cooktops, the PIC18F6720-E/PT manages the user interface (keypad scan, rotary encoders, LCD/segment displays) while running the appliance control loop. Its 54 I/Os directly key-scan 7x8 matrices and drive segment multiplex without external logic, while its CCP/PWM channels modulate heating elements, pumps, and TRIAC triggers. The extended temperature rating ensures reliable operation near heating elements and motor drives. Code updates via ICSP enable factory-flash and field-service programming without removal.
推荐
Building Automation and Access Control
Building automation and access control systems benefit from the PIC18F6720-E/PT's combination of Flash size, I/O density, and serial interfaces. It can read multiple Wiegand-output card readers via interrupt-driven I/O, manage door strikes via PWM or GPIO, and interface via RS-485 to a building-management network. The MSSP peripheral configures as SPI or I2C for RFID reader modules and keypad encoders. EEPROM stores whitelist/credential data, and the extended temperature range supports outdoor and rooftop equipment cabinets.
推荐
Embedded Operator Interface Terminal
For operator-interface terminals in industrial machinery and medical carts, the PIC18F6720-E/PT drives character LCDs and keypads while running menu logic and alarm handling. The 12-channel ADC reads battery voltage, supply current, and analog joystick inputs, while the hardware USART links to BLE modules or RS-232 diagnostic ports. The 128 KB Flash supports multi-language UI resources. With industrial temperature grade and a robust PIC18 architecture, it serves as a reliable HMI engine in harsh environments.
推荐
推荐产品汇总
工程参考数据： PIC18F6720-E/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC18F6720-I/PT | PIC18F6680-I/PT | PIC18F6628-I/PT | PIC18F66K22-I/PT |
|---|---|---|---|---|---|
| Package | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) - same | TQFP-64 (PT) - same | TQFP-64 (PT) - same | TQFP-64 (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Architecture | PIC18 8-bit, 10 MIPS | PIC18 8-bit, 10 MIPS | PIC18 8-bit, 10 MIPS | PIC18 8-bit, 10 MIPS | PIC18 K-series 8-bit, 16 MIPS |
| Maximum Clock Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 64 MHz |
| Flash Memory | 128 KB | 128 KB | 64 KB | 64 KB | 64 KB |
| RAM Size | 3936 bytes | 3936 bytes | 3328 bytes | 3936 bytes | 3896 bytes |
| EEPROM Size | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes |
| Supply Voltage Range | 4.2 V to 5.5 V | 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 3.6 V |
| Operating Temperature Range | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Approx. Unit Price (1 qty) | $9.42 | ~$9.42 | ~$8.40 | ~$7.30 | ~$3.50 |
关键差异点
- Largest Flash footprint in the PIC18F6720-family TQFP-64 socket （对比 PIC18F6680-I/PT)
- Extended industrial temperature grade vs standard 'I' grade （对比 PIC18F6720-I/PT)
- 5V supply tolerance vs 3.3V K-series （对比 PIC18F66K22-I/PT)
设计说明
Place 100 nF decoupling capacitors as close as possible to every VDD/VDD2 supply pin and a single 10 uF bulk tantalum or ceramic capacitor at the supply-rail entry point. For ADC accuracy, isolate AVdd with a ferrite bead from VDD and add a dedicated 10 uF + 100 nF pair on AVdd to reject digital switching noise. The PIC18F6720 draws up to 25 mA active at 40 MHz, so the LDO or switching regulator must sustain at least 50 mA with headroom for inrush during Flash writes.
Reserve ICSP pins (PGC/PGD on RB6/RB7 for most PIC18F devices, or per-pin check on TQFP-64 package datasheet) for in-circuit serial programming - never let circuitry lock these pins as outputs or fail to release them on reset. The MCLR pin must have a 10-50 kohm pull-up to VDD and a 100 nF cap to ground for proper reset; do not skip this network or the device will fail to start reliably. Trace analog inputs away from switching signals and route clock lines on inner layers with continuous ground return.
Configuration bits must be programmed before or during programming - leave the device in a valid configuration state, including oscillator selection, watchdog enable, and code protection bits. Configuring an incorrect oscillator mode (e.g., requesting HS mode on a board designed for internal RC) will prevent code execution. Always verify CONFIG settings in MPLAB X IDE before commit. Also be cautious with parallel slave port usage - PORTD shared pins require alternate-function configuration to avoid bus contention with digital I/O.
合规信息
RoHS/REACH compliance per Microchip product documentation. Not AEC-Q100 qualified - the PIC18F6720 device is industrial-grade; for AEC-Q100-qualified alternatives in automotive, see PIC18F66K80 family. Halogen-free per Microchip environmental compliance data.