PIC18F6722T-E/PT - 8-Bit 25MHz 128KB Flash MCU 64-TQFP | Microchip
料号： PIC18F6722T-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $14.5 | $14.50 |
| 10 | $13.05 | $130.50 |
| 100 | $11.6 | $1,160.00 |
| 500 | $10.44 | $5,220.00 |
| 1,000 | $9.28 | $9,280.00 |
PIC18F6722T-E/PT 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of peripheral interfaces into one IC. The PIC18 family is Microchip's 8-bit enhanced architecture with a 16-bit instruction word and 8-bit data path, positioned above the baseline PIC16 and below the 16-bit dsPIC/PIC24 families in the 8-/16-bit microcontroller taxonomy (microcontroller -> embedded MCU -> 8-bit MCU -> PIC architecture -> PIC18 enhanced family). Within power management of embedded systems, MCUs replace discrete logic by consolidating timing, glue logic, and communication handling on one programmable device.
Key features of the PIC18F6722T-E/PT include 128 KB (64K x 16) of self-programmable Flash program memory, 3,936 bytes of RAM, and 1,024 bytes of data EEPROM. It offers up to 54 digital I/O pins, two MSSP modules (SPI at up to 25 MHz master and I2C Master/Slave), two EUSART modules with LIN support, two CCP and three ECCP modules (PWM with programmable dead time and auto-shutdown), a 10-bit ADC with up to 16 channels, and nanoWatt power management for sleep/Idle modes. The wide 4.2 V to 5.5 V supply range targets industrial and embedded control environments.
Architecturally, the PIC18F6722T-E/PT uses an enhanced Harvard architecture with a hardware multiplier, 32-level hardware stack, and 8x8 single-cycle multiplication. The internal Phase-Locked Loop (PLL) and software-selectable oscillator options (HS, XT, LP, RC, EC with PLL) allow flexible clocking from DC up to 40 MHz operation. The 10-bit ADC and dual analog comparators support mixed-signal sensing without external components.
Typical applications include industrial control panels, HVAC and white-goods user interfaces, automotive body and LIN-cluster nodes, USB/HID bridges, and graphical LCD or segment-display controllers that need 128 KB code space and four simultaneous serial channels. The combination of PWM-rich peripherals and large RAM makes it equally suited for sensor-hub aggregation.
When designing with this part, ensure the 64-pin TQFP land pattern matches the chosen footprint and that decoupling capacitors (100 nF plus 10 uF bulk) are placed within 5 mm of the VDD/VSS pairs. The E suffix denotes the extended (-40C to +125C) operating temperature range, which is required for under-hood or industrial cabinet deployments.
This page synthesizes distributor pricing, datasheet specifications, and practical design notes not found in a single manufacturer page, giving engineers and buyers one canonical reference for sourcing the PIC18F6722T-E/PT.
直接替换替代料： PIC18F6722T-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： PIC18F6722T-E/PT （相同外形与封装尺寸） ——差异在于 Package, Core Architecture, Operating Temperature, Serial Interfaces, ADC.
快速对比工具——选择替代料号进行并排对比：
PIC18F6722-E/PT
✅ 直接替换✓ 有现货
$10.1 / 个
查看数据手册 →PIC18F6722T-I/PT
✅ 直接替换✓ 有现货
$7.85 / 个
查看数据手册 →PIC18F6722-I/PT
✅ 直接替换✓ 有现货
$5.32 / 个
查看数据手册 →PIC18F6720T-E/PT
✅ 直接替换✓ 有现货
$6.95 / 个
查看数据手册 →PIC18F6720-I/PT
✅ 直接替换✓ 有现货
$21.1 / 个
查看数据手册 →PIC18F6722T-E/PT 最大额定值与电气特性
| Core | PIC18 (8-bit enhanced Harvard) |
| Maximum CPU Clock | 25 MHz (40 MHz via PLL option) |
| Program Memory (Flash) | 128 KB (64K x 16) |
| RAM | 3,936 bytes |
| Data EEPROM | 1,024 bytes |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 54 |
| ADC | 10-bit, up to 16 channels |
| MSSP Modules | 2 (I2C, SPI) |
| EUSART Modules | 2 (LIN-capable) |
| CCP Modules | 2 standard + 3 enhanced |
| 封装 | 64-TQFP (10x10 mm) |
| 工作温度 | -40C to +125C (E suffix) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC18F6722T-E/PT 引脚配置
| 引脚 1 | RC0/T1OSO/T1CKI — I/O port C bit 0 / Timer1 oscillator output / Timer1 clock input |
| 引脚 2 | RC1/T1OSI/CCP2 — I/O port C bit 1 / Timer1 oscillator input / CCP2 I/O |
| 引脚 3 | RC2/CCP1 — I/O port C bit 2 / CCP1 I/O |
| 引脚 4 | RC3/SCK/SCL — I/O port C bit 3 / SPI clock / I2C clock (MSSP1) |
| 引脚 5 | RC4/SDI/SDA — I/O port C bit 4 / SPI data in / I2C data (MSSP1) |
| 引脚 6 | RC5/SDO — I/O port C bit 5 / SPI data out (MSSP1) |
| 引脚 7 | RC6/TX1/CK1 — I/O port C bit 6 / EUSART1 TX / EUSART1 clock |
| 引脚 8 | RC7/RX1/DT1 — I/O port C bit 7 / EUSART1 RX / EUSART1 data |
| 引脚 9 | RC8 — I/O port C bit 8 |
| 引脚 10 | RC9 — I/O port C bit 9 |
| 引脚 11 | VSS — Ground reference |
| 引脚 12 | VDD — Positive supply voltage (4.2V to 5.5V) |
| 引脚 13 | RD0/PSP0 — I/O port D bit 0 / Parallel Slave Port data bit 0 |
| 引脚 14 | RD1/PSP1 — I/O port D bit 1 / Parallel Slave Port data bit 1 |
| 引脚 15 | RD2/PSP2 — I/O port D bit 2 / Parallel Slave Port data bit 2 |
| 引脚 16 | RD3/PSP3 — I/O port D bit 3 / Parallel Slave Port data bit 3 |
| 引脚 17 | RD4/PSP4 — I/O port D bit 4 / Parallel Slave Port data bit 4 |
| 引脚 18 | RD5/PSP5 — I/O port D bit 5 / Parallel Slave Port data bit 5 |
| 引脚 19 | RD6/PSP6 — I/O port D bit 6 / Parallel Slave Port data bit 6 |
| 引脚 20 | RD7/PSP7 — I/O port D bit 7 / Parallel Slave Port data bit 7 |
| 引脚 21 | VSS — Ground reference |
| 引脚 22 | VDD — Positive supply voltage (4.2V to 5.5V) |
| 引脚 23 | RE0/RD/AN5 — I/O port E bit 0 / Parallel Slave Port read / analog input 5 |
| 引脚 24 | RE1/WR/AN6 — I/O port E bit 1 / Parallel Slave Port write / analog input 6 |
| 引脚 25 | RE2/CS/AN7 — I/O port E bit 2 / Parallel Slave Port chip select / analog input 7 |
| 引脚 26 | RE3 — I/O port E bit 3 (digital only) |
| 引脚 27 | RA0/AN0 — I/O port A bit 0 / analog input 0 |
| 引脚 28 | RA1/AN1 — I/O port A bit 1 / analog input 1 |
| 引脚 29 | RA2/AN2/VREF- — I/O port A bit 2 / analog input 2 / ADC negative reference |
| 引脚 30 | RA3/AN3/VREF+ — I/O port A bit 3 / analog input 3 / ADC positive reference |
| 引脚 31 | RA4/T0CKI — I/O port A bit 4 / Timer0 clock input |
| 引脚 32 | RA5/AN4/SS — I/O port A bit 5 / analog input 4 / SPI slave select |
| 引脚 33 | RF0 — I/O port F bit 0 |
| 引脚 34 | RF1 — I/O port F bit 1 |
| 引脚 35 | RF2 — I/O port F bit 2 |
| 引脚 36 | RF3 — I/O port F bit 3 |
| 引脚 37 | RF4 — I/O port F bit 4 |
| 引脚 38 | RF5 — I/O port F bit 5 |
| 引脚 39 | RF6 — I/O port F bit 6 |
| 引脚 40 | RF7 — I/O port F bit 7 |
| 引脚 41 | RG0 — I/O port G bit 0 |
| 引脚 42 | RG1 — I/O port G bit 1 |
| 引脚 43 | RG2 — I/O port G bit 2 |
| 引脚 44 | RG3 — I/O port G bit 3 |
| 引脚 45 | RG4 — I/O port G bit 4 |
| 引脚 46 | MCLR/VPP — Master clear reset input / programming voltage input |
| 引脚 47 | OSC1/CLKI — Crystal oscillator input / external clock input |
| 引脚 48 | OSC2/CLKO — Crystal oscillator output / clock output |
| 引脚 49 | RH0 — I/O port H bit 0 |
| 引脚 50 | RH1 — I/O port H bit 1 |
| 引脚 51 | RH2 — I/O port H bit 2 |
| 引脚 52 | RH3 — I/O port H bit 3 |
| 引脚 53 | RH4 — I/O port H bit 4 |
| 引脚 54 | RH5 — I/O port H bit 5 |
| 引脚 55 | RH6 — I/O port H bit 6 |
| 引脚 56 | RH7 — I/O port H bit 7 |
| 引脚 57 | RB0/INT0 — I/O port B bit 0 / external interrupt 0 |
| 引脚 58 | RB1/INT1 — I/O port B bit 1 / external interrupt 1 |
| 引脚 59 | RB2/INT2 — I/O port B bit 2 / external interrupt 2 |
| 引脚 60 | RB3/INT3 — I/O port B bit 3 / external interrupt 3 (also ICSP clock) |
| 引脚 61 | RB4 — I/O port B bit 4 (interrupt-on-change) |
| 引脚 62 | RB5 — I/O port B bit 5 (interrupt-on-change, also ICSP data) |
| 引脚 63 | RB6/PGC — I/O port B bit 6 / In-Circuit Debugger clock |
| 引脚 64 | RB7/PGD — I/O port B bit 7 / In-Circuit Debugger data |
典型应用
PIC18F6722T-E/PT 适用于 6 应用s: Industrial Control Panels, HVAC and White-Goods User Interfaces, Automotive Body and Cluster Nodes, USB HID and Bridge Devices, Sensor Hub and Data Aggregation, Graphical LCD and Segment Display Controller.
Industrial Control Panels
The PIC18F6722T-E/PT's 128 KB Flash and 54 I/O pins are well-matched to industrial control panels driving 4x4 key matrices, 7-segment or character LCDs, and optically-isolated 24V I/O. Its extended -40C to +125C temperature grade lets the same board sit in an unventilated cabinet. The two LIN-capable EUSART modules and dual MSSP support both legacy RS-485 peripherals and modern SPI sensors on the same MCU. Estimated: at 25 MHz / 5V with active peripherals, typical operating current stays around 15 mA, leaving ample headroom for sleep-mode duty cycling via the nanoWatt idle modes.
推荐
HVAC and White-Goods User Interfaces
HVAC thermostats and washing-machine HMIs need a reliable 8-bit MCU with enough Flash to hold multilingual UI strings and state machines - the PIC18F6722T-E/PT's 128 KB code space comfortably supports graphical menus. The three ECCP modules generate PWM for triac-fired heater elements and brushless-motor commutation, while the 10-bit ADC reads thermistor and pressure-sensor inputs. The E temperature grade survives under-cabinet thermal loads during compressor cycles. Estimated: with one ECCP at 25 kHz PWM and ADC sampling at 10 kS/s, interrupt overhead fits inside a 200 us control loop.
推荐
Automotive Body and Cluster Nodes
Body controllers and instrument clusters benefit from the PIC18F6722T-E/PT's extended temperature grade (-40C to +125C), dual LIN-capable EUSART for LIN-bus communication, and abundant Flash for OBD-II or J1939 stacks. Two MSSP modules provide SPI for graphic display drivers and I2C for sensor hubs. The 10-bit ADC reads battery voltage and ambient-light sensors, while the ECCP modules drive gauge stepper motors via external drivers. For non-safety subsystems, the part's automotive-friendly thermal range is a strong fit.
推荐
USB HID and Bridge Devices
With 128 KB Flash and 3,936 B RAM, the PIC18F6722T-E/PT can host USB HID class firmware stacks alongside application logic for PC peripherals such as custom keyboards, industrial remotes, and laboratory control panels. Adding an external USB transceiver (e.g., MCP2200 or PIC18F14K50 companion) over UART frees the main MCU to manage user logic. The PIC18F6722T-E/PT's 25 MHz core handles USB polling and HID report generation while still driving LCDs and keypads. Estimated: HID full-speed polling at 1 kHz uses under 5% CPU at 25 MHz.
推荐
Sensor Hub and Data Aggregation
Industrial sensor hubs aggregating multiple I2C/SPI sensors benefit from the PIC18F6722T-E/PT's dual MSSP modules, which can host two independent sensor buses simultaneously without software bit-banging. The 3,936 B RAM buffers sensor frames locally before forwarding over EUSART, SPI, or LIN. With 10-bit ADC and analog comparators on chip, mixed analog and digital sensor inputs share one MCU. The 54 I/O pins accommodate discrete status LEDs and dry-contact inputs without external expanders. nanoWatt sleep modes enable battery-backed sensor nodes that wake on interrupt.
推荐
Graphical LCD and Segment Display Controller
Graphical LCDs (128x64 or 240x128 monochrome) and large segment-display panels require sustained SPI throughput and large RAM buffers - the PIC18F6722T-E/PT's 3,936 B RAM and 25 MHz core handle buffered page updates without flicker. The two MSSP modules support SPI display and SPI flash memory simultaneously, simplifying firmware updates. ECCP modules provide backlight PWM and contrast adjustment. The extended temperature grade suits outdoor signage and industrial HMIs. Estimated: a 128x64 monochrome update at 1 fps over SPI at 5 MHz consumes under 10% CPU.
推荐
推荐产品汇总
工程参考数据： PIC18F6722T-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 | PIC18F6722-E/PT | PIC18F6722T-I/PT | PIC18F6722-I/PT | PIC18F6720T-E/PT | PIC18F6720-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Program Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) | 64 KB (-50%) |
| RAM | 3,936 bytes | 3,936 bytes | 3,936 bytes | 3,936 bytes | 3,840 bytes (-2.4%) | 3,840 bytes (-2.4%) |
| Data EEPROM | 1,024 bytes | 1,024 bytes | 1,024 bytes | 1,024 bytes | 1,024 bytes | 1,024 bytes |
| Operating Temperature | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) |
| I/O Pins | 54 | 54 | 54 | 54 | 54 | 54 |
| CPU Clock | 25 MHz (40 MHz w/ PLL) | 25 MHz (40 MHz w/ PLL) | 25 MHz (40 MHz w/ PLL) | 25 MHz (40 MHz w/ PLL) | 25 MHz (40 MHz w/ PLL) | 25 MHz (40 MHz w/ PLL) |
关键差异点
- Extended -40C to +125C operating temperature range （对比 PIC18F6722T-I/PT)
- Tape-and-reel packaging for high-volume SMT assembly （对比 PIC18F6722-E/PT)
- Full 128 KB Flash for feature-rich firmware stacks （对比 PIC18F6720T-E/PT)
设计说明
Decouple each VDD/VSS pair with a 100 nF ceramic capacitor placed within 5 mm of the pins, plus a single 10 uF bulk capacitor near the package. The PIC18F6722T-E/PT draws approximately 15 mA at 25 MHz / 5 V during full-speed operation; for noise-sensitive analog sections, dedicate a separate analog supply pin pair and route AGND/AVDD cleanly back to the source. The nanoWatt sleep modes drop current below 5 uA when peripherals are gated off, suitable for battery-backed nodes.
Route the 25 MHz oscillator traces symmetrically with short, equal-length paths between OSC1/OSC2 and the crystal or resonator. Keep high-speed switching signals (PWM, SPI clock) at least 3 mm away from the analog ADC inputs to reduce crosstalk. The 64-TQFP 10x10 mm footprint is 0.5 mm pitch, requiring 0.25 mm trace-and-space PCB capability; plan via fan-out under the package using a filled ground plane on the second layer for thermal spreading.
Do not skip the MCLR pull-up resistor (typically 10 kohm to VDD); without it the device randomly resets in noisy environments. The PIC18F6722T-E/PT has internal weak pull-ups on PORTB only - other ports require external resistors for input pins. Configuration bits must be set correctly to enable the PLL, watchdog, and brown-out reset; omitting CONFIG4H can leave the PLL disabled and the part running at the unmultiplied clock. Always program configuration bits before code execution begins.
The PIC18F6722T-E/PT in 64-TQFP is rated for -40C to +125C operation. In a sealed enclosure with no airflow, junction-to-ambient thermal resistance (theta_JA) of approximately 50 C/W limits safe power dissipation. Estimated: at 25 MHz full active current of 15 mA at 5 V, internal dissipation is 75 mW, well within thermal limits. However, driving 54 I/O pins with 20 mA each requires derating per the I/O pin total current budget of 200 mA for the package.
合规信息
RoHS-compliant and lead-free per Microchip product page. The PIC18F6722T-E/PT itself is not AEC-Q100 qualified - for AEC-Q100 safety applications, evaluate the PIC18F66K80 family instead. Halogen-free status not stated in distributor data; confirm with manufacturer for green-premium requirements.
