PIC18F8723-E/PT - 8-bit 25MHz MCU 128KB Flash 80-TQFP | Microchip
料号： PIC18F8723-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.45 | $9.45 |
| 10 | $8.61 | $86.10 |
| 100 | $7.94 | $794.00 |
| 500 | $7.21 | $3,605.00 |
| 1,000 | $6.78 | $6,780.00 |
PIC18F8723-E/PT 概述
What is a PIC18 8-bit microcontroller? The PIC18 family is Microchip's high-end 8-bit architecture, sitting above the PIC16 in performance and feature set. It uses an enhanced Harvard RISC core with a modified instruction set that is backward-compatible with the PIC16, and it adds features such as multiple hardware UARTs, large linear RAM, and self-programming Flash. Within the broader taxonomy, the PIC18 belongs to the 8-bit microcontroller category -> microcontroller unit (MCU) -> embedded controller -> semiconductor. The PIC18F8723 specifically targets high-pin-count applications that need abundant I/O and connectivity.
Key features include 128 KB (64K x 16 words) of self-programmable Flash, 4 KB of general-purpose SRAM, 1024 bytes of data EEPROM, 16 channels of 12-bit ADC, and four serial ports including two MSSP ports (I2C/SPI) and two enhanced USARTs with LIN master support. The device also exposes 70 I/O pins, supports up to 25 MHz operation at 5 V (with 40 MHz specified in the datasheet for the extended parts), and integrates nanoWatt power-saving modes such as Run, Idle, and Sleep with multiple clock sources including INTOSC and PLL.
Architecturally, the PIC18F8723 uses a 16-bit instruction word with an 8-bit data path, hence the 64K x 16 Flash word notation, and provides a separate 14-bit instruction pipeline for the PIC16 compatibility subset. The 12-bit ADC delivers up to 16 channels with multiple conversion trigger options, while the 10-bit DAC is absent in this variant; the capture/compare and PWM modules support motor control and timing applications. The device operates from 4.2 V to 5.5 V in the 'E' (Extended) temperature grade of -40C to +125C.
Typical applications include industrial automation, automotive body and chassis networking, large-format user interfaces with multiple serial ports, and white goods / appliance control. The four serial ports make it especially suitable as a LIN master for car body modules, while the 12-bit ADC and 70 I/O pins support instrumentation front ends and multi-sensor aggregation nodes.
When designing with this MCU, ensure the brown-out voltage is set above the minimum ADC reference, route AVSS/AVDD cleanly to isolate analog noise, and select the proper oscillator mode (HS or EC) to match the crystal. The 'E' suffix indicates the Extended temperature range, so thermal derating and self-heating should be reviewed in enclosed enclosures.
This page synthesizes distributor pricing, drop-in alternatives drawn from Microchip's own PIC18 portfolio, and practical design notes beyond what is found on a typical catalog listing.
直接替换替代料： PIC18F8723-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： PIC18F8723-E/PT （相同外形与封装尺寸） ——差异在于 Package, ADC, Core Architecture, Operating Temperature, Timers.
快速对比工具——选择替代料号进行并排对比：
PIC18F8723-I/PT
✅ 直接替换✓ 有现货
$7.95 / 个
查看数据手册 →PIC18F8722T-E/PT
✅ 直接替换✓ 有现货
$7.58 / 个
查看数据手册 →PIC18F8720-E/PT
✅ 直接替换✓ 有现货
$9.3 / 个
查看数据手册 →PIC18F8680-E/PT
✅ 直接替换✓ 有现货
$7.95 / 个
查看数据手册 →PIC18F8627-I/PT
✅ 直接替换✓ 有现货
$9.05 / 个
查看数据手册 →PIC18F85K22-E/PT
✅ 直接替换✓ 有现货
$4.55 / 个
查看数据手册 →PIC18F8723-E/PT 最大额定值与电气特性
| Core Architecture | PIC18 8-bit enhanced Harvard RISC |
| Program Memory (Flash) | 128 KB (64K x 16 words) |
| RAM | 4 KB |
| Data EEPROM | 1024 bytes |
| Maximum CPU Frequency | 40 MHz (25 MHz at 5V per distributor listing) |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 70 |
| ADC | 12-bit, up to 16 channels |
| Serial Ports | 2x MSSP (I2C/SPI), 2x EUSART (LIN-capable) |
| 封装 | 80-pin TQFP (12x12x1 mm) |
| Temperature Range (E grade) | -40C to +125C |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
| ROM Type | Flash |
PIC18F8723-E/PT 引脚配置
| 引脚 1 | RE0/RD/AN5 — I/O port RE0, alternate functions |
| 引脚 2 | RE1/WR/AN6/C1OUT — I/O port RE1, alternate functions |
| 引脚 3 | RE2/CS/AN7/C2OUT — I/O port RE2, alternate functions |
| 引脚 4 | RE3 — I/O port RE3 |
| 引脚 5 | RE4 — I/O port RE4 |
| 引脚 6 | RE5 — I/O port RE5 |
| 引脚 7 | RE6 — I/O port RE6 |
| 引脚 8 | RE7 — I/O port RE7 |
| 引脚 9 | RG0 — I/O port RG0 |
| 引脚 10 | RG1 — I/O port RG1 |
| 引脚 11 | VSS — Ground reference |
| 引脚 12 | VDD — Positive supply voltage |
| 引脚 13 | OSC1/RA7 — Oscillator input or I/O |
| 引脚 14 | OSC2/RA6 — Oscillator output or I/O |
| 引脚 15 | RA0/AN0 — I/O port RA0, analog input |
| 引脚 16 | RA1/AN1 — I/O port RA1, analog input |
| 引脚 17 | RA2/AN2/VREF- — I/O port RA2, analog reference |
| 引脚 18 | RA3/AN3/VREF+ — I/O port RA3, analog reference |
| 引脚 19 | RA4/T0CKI — I/O port RA4, Timer0 clock input |
| 引脚 20 | RA5/AN4/SS1 — I/O port RA5, SPI slave select |
| 引脚 21 | AVDD — Analog supply voltage |
| 引脚 22 | AVSS — Analog ground |
| 引脚 23 | RB0/INT0/FLT0 — I/O port RB0, external interrupt |
| 引脚 24 | RB1/INT1 — I/O port RB1, external interrupt |
| 引脚 25 | RB2/INT2 — I/O port RB2, external interrupt |
| 引脚 26 | RB3/INT3/CCP2A — I/O port RB3, CCP/PWM |
| 引脚 27 | RB4 — I/O port RB4 |
| 引脚 28 | RB5 — I/O port RB5 |
| 引脚 29 | RB6/PGC — I/O port RB6, ICSP clock |
| 引脚 30 | RB7/PGD — I/O port RB7, ICSP data |
| 引脚 31 | VSS — Ground reference |
| 引脚 32 | VDD — Positive supply voltage |
| 引脚 33 | RC0/T1OSO/T1CKI — I/O port RC0, Timer1 |
| 引脚 34 | RC1/T1OSI/CCP2 — I/O port RC1, Timer1/Capture |
| 引脚 35 | RC2/CCP1 — I/O port RC2, Capture/Compare/PWM |
| 引脚 36 | RC3/SCK1/SCL1 — I/O port RC3, SPI/I2C clock |
| 引脚 37 | RC4/SDI1/SDA1 — I/O port RC4, SPI data in / I2C data |
| 引脚 38 | RC5/SDO1 — I/O port RC5, SPI data out |
| 引脚 39 | RC6/TX1/CK1 — I/O port RC6, USART1 TX |
| 引脚 40 | RC7/RX1/DT1 — I/O port RC7, USART1 RX |
| 引脚 41 | VSS — Ground reference |
| 引脚 42 | VDD — Positive supply voltage |
| 引脚 43 | RD0/PSP0 — I/O port RD0, parallel slave port |
| 引脚 44 | RD1/PSP1 — I/O port RD1 |
| 引脚 45 | RD2/PSP2 — I/O port RD2 |
| 引脚 46 | RD3/PSP3 — I/O port RD3 |
| 引脚 47 | RD4/PSP4 — I/O port RD4 |
| 引脚 48 | RD5/PSP5 — I/O port RD5 |
| 引脚 49 | RD6/PSP6 — I/O port RD6 |
| 引脚 50 | RD7/PSP7 — I/O port RD7 |
| 引脚 51 | VSS — Ground reference |
| 引脚 52 | VDD — Positive supply voltage |
| 引脚 53 | RF0 — I/O port RF0 |
| 引脚 54 | RF1 — I/O port RF1 |
| 引脚 55 | RF2 — I/O port RF2 |
| 引脚 56 | RF3 — I/O port RF3 |
| 引脚 57 | RF4 — I/O port RF4 |
| 引脚 58 | RF5 — I/O port RF5 |
| 引脚 59 | RF6 — I/O port RF6 |
| 引脚 60 | RF7 — I/O port RF7 |
| 引脚 61 | RG2 — I/O port RG2 |
| 引脚 62 | RG3 — I/O port RG3 |
| 引脚 63 | RG4 — I/O port RG4 |
| 引脚 64 | RG5 — I/O port RG5 |
| 引脚 65 | RG6 — I/O port RG6 |
| 引脚 66 | RG7 — I/O port RG7 |
| 引脚 67 | RH0 — I/O port RH0 |
| 引脚 68 | RH1 — I/O port RH1 |
| 引脚 69 | RH2 — I/O port RH2 |
| 引脚 70 | RH3 — I/O port RH3 |
| 引脚 71 | RH4 — I/O port RH4 |
| 引脚 72 | RH5 — I/O port RH5 |
| 引脚 73 | RH6 — I/O port RH6 |
| 引脚 74 | RH7 — I/O port RH7 |
| 引脚 75 | RJ0 — I/O port RJ0 |
| 引脚 76 | RJ1 — I/O port RJ1 |
| 引脚 77 | RJ2 — I/O port RJ2 |
| 引脚 78 | RJ3 — I/O port RJ3 |
| 引脚 79 | RJ4 — I/O port RJ4 |
| 引脚 80 | MCLR/VPP — Master clear / ICSP programming voltage |
典型应用
PIC18F8723-E/PT 适用于 6 应用s: Automotive LIN Body Electronics, Industrial Automation Controllers, White Goods and Appliance Control, Large-Format HMI and User Interfaces, Multi-Sensor Data Aggregation Nodes, Power Conversion and Battery Management Front Panels.
Automotive LIN Body Electronics
The PIC18F8723-E/PT's two Enhanced USARTs with LIN master support and Extended -40C to +125C temperature grade make it a natural fit for automotive body and chassis modules. In a typical application the MCU sits as a LIN master behind a CAN/LIN gateway, polling door-zone, mirror, or seat-control slaves over a single-wire LIN bus. The 4 KB of RAM comfortably hosts a LIN 2.2 protocol stack plus per-slave diagnostics, while the 70 I/O pins drive multiple LEDs, switches, and H-bridge enable signals. The 12-bit ADC handles seat-position feedback and ambient-light sensing. Compared with smaller PIC16 parts the PIC18F8723's four serial ports eliminate the need for an external UART expander, lowering BOM cost by roughly $0.40-0.60 per module in 1000-piece volume.
推荐
Industrial Automation Controllers
The PIC18F8723-E/PT's combination of 128 KB Flash, 70 I/O pins, and four serial ports suits it for industrial automation PLC-style controllers and remote I/O modules. The 16-channel 12-bit ADC aggregates inputs from pressure, flow, and temperature transducers, while two MSSP ports run I2C sensor hubs and SPI peripheral expansion (e.g., external DACs or displays). The 1024-byte EEPROM is well-sized for storing calibration constants and non-volatile configuration. According to the Microchip datasheet, the extended temperature range allows deployment in unconditioned factory cabinets where ambient temperature can exceed 85C. Drop-in compatibility with the PIC18F85K22-E/PT allows migration to XLP nanoWatt for battery-backed remote terminals.
推荐
White Goods and Appliance Control
In washing machines, dishwashers, and induction cooktops, the PIC18F8723-E/PT serves as the central HMI and motor-timing controller. Its 70 I/O pins drive seven-segment or TFT LCD panels, capacitive touch keys, and relay/MOSFET predrivers for water valves and heater elements. The four serial ports support a UART connection to an external Wi-Fi/BLE module (such as the ATWINC1510) plus an I2C EEPROM and SPI-based TFT display. The 12-bit ADC reads motor current and NTC temperature sensors with adequate resolution for closed-loop regulation. Unlike bare 8-bit PIC16 parts, the 4 KB RAM and 128 KB Flash accommodate full graphic UI firmware plus a real-time operating scheduler, eliminating the need for an external companion MCU.
推荐
Large-Format HMI and User Interfaces
The PIC18F8723-E/PT powers large-format human-machine interfaces such as industrial touchscreen panels, building-automation keypads, and medical-device control surfaces. The PIC18's 4 KB RAM and 128 KB Flash comfortably host a graphics library (e.g., Microchip's MLA or third-party emWin), while the MSSP drives an SPI TFT controller and the second MSSP serves an I2C touch controller. The 70 I/O pins handle mechanical button matrices, status LEDs, and PWM-driven backlight brightness control. The 12-bit ADC digitizes ambient-light sensors for automatic backlight dimming. Compared with ARM Cortex-M0 alternatives at the same price point, the PIC18F8723 offers simpler toolchain setup via MPLAB X IDE, which reduces development cycle time by 20-30%.
推荐
Multi-Sensor Data Aggregation Nodes
The PIC18F8723-E/PT's four serial ports and 16 ADC channels make it ideal as a sensor-hub aggregator in building automation, environmental monitoring, and HVAC control. Two I2C buses each address up to 127 sensors (temperature, humidity, CO2, light) while a SPI bus drives a high-speed MEMS accelerometer; the second UART streams aggregated data to a gateway MCU or directly to a Wi-Fi/Ethernet module. The 4 KB RAM supports circular sensor buffers and the 1024-byte EEPROM stores node identity and calibration. The Extended temperature grade allows outdoor or rooftop installation. According to the datasheet, nanoWatt Sleep mode reduces quiescent current to below 100 nA, enabling battery-powered sensor nodes with 5-10 year lifetime on a single 3.6 V Li-SOCl2 cell when combined with an external boost converter.
推荐
Power Conversion and Battery Management Front Panels
In UPS systems, solar charge controllers, and EV onboard chargers, the PIC18F8723-E/PT drives the user-facing front panel: LCD/LED displays, push buttons, alarm buzzers, and status LEDs. The 12-bit ADC monitors battery voltage, charge current, and cell temperature with sufficient resolution for state-of-charge estimation algorithms. The four serial ports interface with the power-conversion DSP (such as a dsPIC33), provide MODBUS communication to the system controller, and offer isolated UART for technician diagnostics. The Extended temperature range handles the thermal environment of enclosed battery cabinets. The 128 KB Flash stores customizable display firmware for multiple product SKUs, reducing per-variant inventory.
推荐
推荐产品汇总
工程参考数据： PIC18F8723-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 | PIC18F8723-I/PT | PIC18F8722T-E/PT | PIC18F8720-E/PT | PIC18F8680-E/PT | PIC18F85K22-E/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-80 (12x12 mm) | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) | 32-64 KB (-50 to -75%) |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 8 KB (+100%) |
| Data EEPROM | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes |
| Temperature Grade | Extended (-40C to +125C) | Industrial (-40C to +85C) | Extended (-40C to +125C) | Extended (-40C to +125C) | Extended (-40C to +125C) | Extended (-40C to +125C) |
| I/O Pins | 70 | 70 | 70 | 70 | 70 | 70 |
| ADC | 12-bit, 16 channels | 12-bit, 16 channels | 12-bit, fewer channels | 12-bit, fewer channels | 12-bit, fewer channels | 12-bit, 12 channels |
| Serial Ports | 2x MSSP + 2x EUSART | 2x MSSP + 2x EUSART | 2x MSSP + 2x EUSART | 2x MSSP + 2x EUSART | 2x MSSP + 2x EUSART | 2x MSSP + 2x EUSART |
| Price (qty 1, USD) | 9.45 | 8.90-9.20 | 8.40-8.80 | 7.90-8.20 | 7.30-7.80 | 5.80-6.50 |
关键差异点
- Highest Flash density in the PIC18F8723 family at 128 KB （对比 PIC18F8680-E/PT)
- Extended -40C to +125C temperature grade for harsh environments （对比 PIC18F8723-I/PT)
- Newer K-series migration path with 2x RAM （对比 PIC18F85K22-E/PT)
设计说明
The PIC18F8723-E/PT operates from 4.2 V to 5.5 V; place a 100 nF decoupling capacitor within 5 mm of each VDD/VSS pair, with a bulk 10 uF tantalum or ceramic at the package entry. The MCU draws 50-70 mA at 40 MHz, so trace widths for VDD should be at least 0.5 mm to limit voltage drop. If using Sleep mode, the nanoWatt regulator reduces quiescent current to below 100 nA - design the brown-out reset (BOR) trip point carefully to avoid spurious resets in battery-backed applications.
The 80-pin TQFP at 12x12 mm with 0.5 mm pitch is hand-solderable with care but reflow is preferred for production. Route AVSS/AVDD as a star from a single ferrite bead-isolated analog supply; keep analog signal traces (AN0-AN15) at least 3 mm away from digital switching lines like PWM outputs and the 40 MHz oscillator to preserve 12-bit ADC SNR. Place the 32.768 kHz crystal within 10 mm of OSC1/OSC2 with a grounded guard ring if RTC accuracy is required.
Configuration bits must be programmed before code execution - a blank PIC18F8723 will hang at reset with default oscillator settings that may not match your crystal. The MSSP modules default to I2C mode; explicitly disable unused peripherals via the PMD register to save 5-10 mA in active mode. Do not exceed 5.5 V on MCLR/VPP during in-circuit serial programming (ICSP) or risk damaging the internal charge pump.
Estimated: At 40 MHz active mode with all peripherals on, the PIC18F8723-E/PT draws approximately 70 mA at 5 V, dissipating 350 mW. The 80-pin TQFP has a junction-to-ambient thermal resistance (theta_JA) of approximately 50 C/W on a standard 4-layer JEDEC test board, so the junction rises 17.5 C above ambient at full power - well within the 125 C maximum for the Extended grade. For sealed enclosures with no airflow, derate by 30% and add thermal vias under the exposed paddle (if used) to keep Tj below 100 C for long-term reliability.
合规信息
RoHS and lead-free compliant per Microchip product page. Not AEC-Q100 qualified directly - this is an Extended temperature grade, not an automotive-qualified part. For AEC-Q100 requirements consider PIC18F8723-E/PT automotive equivalents or the newer PIC18FxxK22 automotive variants.
