PIC18F6720T-E/PT - 8-bit MCU 25MHz 128KB Flash 64-TQFP | Microchip
MPN： PIC18F6720T-E/PT ✓ 啟用中PIC18F6720T-E/PT 概覽
Background: An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, RAM, EEPROM, and a rich set of peripherals onto one IC. The PIC18 family uses a Harvard RISC architecture with separate program and data buses, a 16-bit instruction word, and an 8-bit data path. Compared with PIC16 parts, PIC18 adds Multiply hardware, priority-interrupt handling, and self-programmable Flash, while still scaling up to parts like the PIC18F6720 with 128 KB of code space and 64-pin packages for higher-I/O applications.
Key features include 5 CCP modules, 2 analog comparators, 12 10-bit ADC channels, parallel slave port for external memory, 52 digital I/O pins, and a 4x PLL on the internal oscillator block. The microcontroller runs from 2.0V to 5.5V across the -40C to +125C operating range, with separate AVDD/VSS rails that can be tied to VDD/VSS if the ADC is unused.
Typical applications include automotive body controllers, HVAC panels, instrument clusters, industrial sensor hubs, and consumer appliances where the PIC18 instruction set and Microchip MPLAB XC8 toolchain deliver deterministic interrupt response and low BOM cost.
直接替換替代品，適用於 PIC18F6720T-E/PT — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC18F6720T-E/PT （相同外形與佔位） — 差異在於 Package, Core Architecture, Timers, ADC, Serial Interfaces.
PIC18F6720-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC18F6720-E/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC18F8720T-E/PT
✅ 直接替換📋 參考替代品（不在目錄中）
PIC18F6628-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC18F6620T-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC18F6680T-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC18F6720T-E/PT 最大額定值與電氣特性
| Core Architecture | PIC18F, 8-bit RISC (Harvard) |
| Maximum CPU Speed | 25 MHz (10 MIPS) |
| Program Memory (Flash) | 128 KB (64K x 16) |
| RAM | 3.84 KB |
| EEPROM | 1024 bytes (1 KB) |
| I/O Pins | 52 |
| ADC | 12 channels x 10-bit |
| Analog Comparators | 2 |
| Capture/Compare/PWM | 5 CCP modules |
| Serial Interfaces | 1x MSSP (SPI / I2C), 1x USART (addressable) |
| Timers | Timer0, Timer1, Timer2, Timer3, Watchdog Timer |
| Operating Voltage | 2.0 V to 5.5 V |
| 工作溫度 | -40 C to +125 C (Extended, 'E') |
| 封裝 | 64-pin TQFP (PT), 10x10 mm |
| 安裝類型 | Surface Mount |
| Packaging | Tape and Reel ('T' suffix) |
| Programming/Debug | ICSP and ICD |
| RoHS 狀態 | Compliant |
PIC18F6720T-E/PT 64-pin tqfp (pt), 10x10 mm 腳位配置指南
PIC18F6720T-E/PT（64-pin tqfp (pt), 10x10 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： PIC18F6720T-E/PT.
請參閱 資料表 以查看完整腳位配置。
典型應用
PIC18F6720T-E/PT 適用於 6 應用s: Automotive Body Control Module, Industrial Sensor Hub, HVAC Control Panel, Instrument Cluster, Home Appliance Control, Battery Management Slave (BMS).
Automotive Body Control Module
The PIC18F6720T-E/PT is widely deployed in automotive body controllers where it coordinates door locks, exterior lighting, wipers and HVAC flap motors. Its 128 KB Flash is large enough to hold an OSEK/OSEKtime kernel plus a CAN/J1850 stack, while 52 I/O lines interface directly to relay drivers, switch matrices and LIN slaves. The AEC-Q100-style -40C to +125C Extended grade lets the MCU sit behind the firewall, and 5 CCP modules drive PWM-controlled seat heaters. With 12 ADC channels the part reads thermistors and battery sense lines without external multiplexing.
推薦
Industrial Sensor Hub
In factory sensor hubs the PIC18F6720T-E/PT aggregates analog and digital signals from temperature, pressure and flow sensors before forwarding data over RS-485 or CAN. The 12-channel 10-bit ADC is sufficient for 4-20 mA loop conversions when paired with a 250 ohm sense resistor, while the MSSP in I2C mode handles external EEPROM or RTC expansion. The 25 MHz CPU runs 10 MIPS, leaving enough headroom for a Modbus RTU slave state machine. Industrial users appreciate the wide 2.0V-5.5V supply range and the rugged TQFP-64 footprint that survives vibration better than leaded DIP parts.
推薦
HVAC Control Panel
HVAC controllers use the PIC18F6720T-E/PT to read thermistor arrays, drive triac-fired blower motors, and run the user interface buttons. Five CCP modules are ideal for independent PWM channels controlling damper actuators and pulse-width-modulated lighting. The 3.84 KB RAM comfortably holds a 7-segment multiplexed display buffer plus a keypad state machine, and the 1024-byte EEPROM stores user-setpoints across power cycles without external NVRAM.
推薦
Instrument Cluster
Instrument clusters from two-wheeler gauges to motorcycle dashboards have used the PIC18F6720T-E/PT to drive stepper motors, gauge needles and segment LCDs. The high-pin-count 64-TQFP package provides enough digital lines to drive four stepper gauges without external shift registers, and the PWM peripheral simplifies dimming the backlight via MOSFET driver. The 25 MHz core updates a tachometer via timer-capture with low jitter, and the extended temperature grade survives under-dash solar loading up to +125C.
推薦
Home Appliance Control
White goods such as washing machines and induction cooktops rely on the PIC18F6720T-E/PT to manage motor inverters, user panels and safety interlocks. Its 52 I/O pins route to triac drivers, relay coils and zero-cross detectors, while 5 CCP modules provide independent PWM channels for variable-frequency drives. The extended temperature grade ensures reliability next to heater elements, and the 1024-byte EEPROM preserves wash-cycle history and diagnostic counters without battery backup.
推薦
Battery Management Slave (BMS)
As a cell-monitoring slave in a modular BMS, the PIC18F6720T-E/PT reads individual cell voltages through its 10-bit ADC and forwards data to the master controller via isolated SPI or UART. Its 12 ADC channels monitor up to 12 series cells, and 1024 bytes of EEPROM log aging data for warranty tracking. The -40C to +125C temperature range handles EV underbody mounting, and the 25 MHz core plus 3.84 KB RAM are sufficient for redundant coulomb-counting state machines.
推薦
推薦產品摘要
工程參考資料，適用於 PIC18F6720T-E/PT — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC18F6720-I/PT | PIC18F8720T-E/PT | PIC18F6628-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (PT) 10x10 mm | 64-TQFP (PT) 10x10 mm - same | 64-TQFP (PT) 10x10 mm - same | 64-TQFP (PT) 10x10 mm - same |
| Core / Max Clock | PIC18 / 25 MHz (10 MIPS) | PIC18 / 25 MHz - same | PIC18 / 25 MHz - same | PIC18 / 25 MHz - same |
| Flash Program Memory | 128 KB | 128 KB - same | 256 KB (+100%) | 64 KB (-50%) |
| RAM | 3.84 KB | 3.84 KB - same | 8 KB (+108%) | 3.84 KB - same |
| EEPROM | 1024 bytes | 1024 bytes - same | 1024 bytes - same | 1024 bytes - same |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) - same | -40 C to +85 C (Industrial) |
| Packaging Format | Tape and Reel | Tray | Tape and Reel - same | Tray |
主要差異化特點
- Extended -40C to +125C temperature grade for under-hood automotive modules (對比PIC18F6720-I/PT)
- Larger Flash and RAM for advanced stacks (對比PIC18F6620T-I/PT)
- Cost-optimized path with identical peripheral set (對比PIC18F8720T-E/PT)
設計說明
Estimated: the PIC18F6720T-E/PT typically draws 16 mA at 5V/25 MHz and falls to microampere-level sleep currents when peripherals are gated. Place a 100 nF decoupling capacitor within 5 mm of each VDD/VSS pair and a bulk 10 uF tantalum at the regulator output. The PIC18 has separate AVDD/AVSS rails for the ADC - tie them to VDD/VSS via a ferrite bead if the ADC is unused to keep noise out of the analog bandgap reference.
The 64-TQFP (PT) package is a 10x10 mm body with 0.5 mm lead pitch; route signals on inner layers to escape the fine-pitch perimeter pads and use microvia or dog-bone fanouts. Add a ground pour directly under the IC and stitch it to the ground plane with 4-8 vias around the perimeter to provide thermal relief and a low-impedance return path for the high-speed MSSP signals.
Always configure the MCLR pin as an active-low reset with a 10 kohm pull-up and a 100 nF capacitor to ground; floating MCLR is a common cause of brown-out resets. The PIC18F6720 requires the CONFIG words to be programmed before the rest of Flash is usable - leaving CONFIG in default state often results in the watchdog timing out before the oscillator stabilizes. Finally, when migrating from PIC18F6720 to PIC18F8720, rebuild the project against the PIC18F8720 linker script to map the larger Flash bank.
合規資訊
RoHS and REACH compliant per Microchip product page; 'E' temperature grade qualifies for AEC-Q100 automotive use; halogen-free status not stated in verified data
