PIC18F27Q10T-I/SO - 8-bit MCU, 128KB Flash, 64MHz | Microchip
MPN： PIC18F27Q10T-I/SO ✓ 啟用中PIC18F27Q10T-I/SO 概覽
An 8-bit microcontroller (MCU) is a programmable logic device built around an 8-bit CPU core that executes instructions on 8-bit data. Within the broader semiconductor taxonomy, an MCU is a sub-category of microcontrollers, which sit under microprocessors, integrated circuits, and ultimately semiconductors. The 8-bit class emphasizes deterministic timing, low power, and ease of use, making it well-suited to cost-sensitive embedded control where 32-bit performance is unnecessary.
Key features include 5V operation for enhanced noise immunity in industrial environments, integrated core-independent peripherals that offload tasks from the CPU, eXtreme Low Power (XLP) modes with sleep currents in the nanoamp range, and configurable logic cells for hardware customization. Communication interfaces include I2C, SPI, UART with LIN support, and CAN. The device also integrates a high-performance 10-bit ADC, a 5-bit DAC for analog output, multiple timers and PWM channels, and hardware limit timers for safety-critical applications.
Architecturally, the PIC18F27Q10 uses an enhanced Harvard architecture with separate program and data buses, a 16-bit instruction word, and a hardware multiplier for DSP-like arithmetic. The 64 MHz internal oscillator, combined with a 4PLL multiplier, supports instruction cycles as fast as 62.5 ns. Built-in peripherals operate autonomously, freeing the CPU for application-level logic.
Typical applications include industrial sensor nodes, motor control with BLDC/PMSM drive, low-power IoT edge nodes, building automation (HVAC, lighting), and automotive body electronics. The 5V-tolerant I/O and integrated analog simplify designs in noisy industrial environments while the XLP features extend battery life in portable systems.
When designing with this MCU, ensure your linker script reserves the upper Flash for the device's interrupt vector table and that CWG, CCP and PWM channels are routed to the desired I/O pins to avoid conflicts. The SOIC-28 footprint is breadboard-friendly and supports hand-soldering for prototypes.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 PIC18F27Q10T-I/SO — 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： PIC18F27Q10T-I/SO （相同外形與佔位） — 差異在於 ADC, Package, Program Memory (Flash), Comparators, Core.
PIC18F26Q10T-I/SO
✅ 直接替換📋 參考替代品（不在目錄中）
PIC18F27Q10-I/SO
✅ 直接替換聯絡詢價
查看資料表 →PIC18F27Q10T-E/SO
✅ 直接替換📋 參考替代品（不在目錄中）
PIC18F26Q10-I/SO
✅ 直接替換聯絡詢價
查看資料表 →PIC18F26Q10T-I/SS
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC18F27Q10T-I/SS
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC18F27Q10T-I/SO 最大額定值與電氣特性
| Core | PIC18 8-bit RISC |
| Program Memory (Flash) | 128 KB |
| Data RAM | 3.5 KB |
| EEPROM | 256 B |
| Maximum CPU Speed | 64 MHz |
| Operating Voltage | 2.3 V to 5.5 V |
| I/O Pins | 25 (on 28-pin package) |
| ADC | 10-bit ADC2 (multiple channels) |
| DAC | 5-bit DAC |
| Comparators | Yes |
| PWM Channels | Yes (multiple) |
| CCP / CWG / HLT | Yes (Capture/Compare/PWM, Complementary Waveform Generator, Hardware Limit Timer) |
| Communication | UART, I2C, SPI, LIN |
| 封裝 | 28-pin SOIC (wide, 7.5 mm body) |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40 C to +85 C (Industrial) |
| RoHS 狀態 | Compliant |
PIC18F27Q10T-I/SO 腳位配置
| 腳位 1 | RA5 — I/O port A bit 5 / ADC |
| 腳位 2 | RA4 — I/O port A bit 4 |
| 腳位 3 | RA3 — I/O port A bit 3 / VREF+ |
| 腳位 4 | RA2 — I/O port A bit 2 |
| 腳位 5 | RA1 — I/O port A bit 1 |
| 腳位 6 | RA0 — I/O port A bit 0 |
| 腳位 7 | OSC1 — Crystal oscillator input |
| 腳位 8 | OSC2 — Crystal oscillator output |
| 腳位 9 | VSS — Ground |
| 腳位 10 | VDD — Positive supply |
| 腳位 11 | RB7 — I/O port B bit 7 |
| 腳位 12 | RB6 — I/O port B bit 6 / PGC |
| 腳位 13 | RB5 — I/O port B bit 5 / PGD |
| 腳位 14 | RB4 — I/O port B bit 4 |
| 腳位 15 | RB3 — I/O port B bit 3 |
| 腳位 16 | RB2 — I/O port B bit 2 |
| 腳位 17 | RB1 — I/O port B bit 1 |
| 腳位 18 | RB0 — I/O port B bit 0 |
| 腳位 19 | RC7 — I/O port C bit 7 / RX |
| 腳位 20 | RC6 — I/O port C bit 6 / TX |
| 腳位 21 | RC5 — I/O port C bit 5 |
| 腳位 22 | RC4 — I/O port C bit 4 |
| 腳位 23 | RC3 — I/O port C bit 3 / SCL |
| 腳位 24 | RC2 — I/O port C bit 2 / SDA |
| 腳位 25 | RC1 — I/O port C bit 1 |
| 腳位 26 | RC0 — I/O port C bit 0 |
| 腳位 27 | MCLR — Master clear reset (active low) |
| 腳位 28 | RA7 — I/O port A bit 7 |
典型應用
PIC18F27Q10T-I/SO 適用於 7 應用s: Industrial Sensor Nodes, BLDC / PMSM Motor Control, Battery-Powered IoT Edge Nodes, Building Automation (HVAC, Lighting), Automotive Body Electronics, Portable Medical Devices, Consumer Appliance Control.
Industrial Sensor Nodes
The PIC18F27Q10T-I/SO fits industrial sensor node designs because its 5V-tolerant I/O and integrated 10-bit ADC2 deliver enhanced noise immunity on factory floors. The 64 MHz core runs PID control loops at 1 ms intervals while 128 KB Flash stores calibration tables and protocol stacks for Modbus or IO-Link. XLP sleep modes draw nanoamp-level current between sensor reads, extending battery life in wireless HART nodes by years.
推薦
BLDC / PMSM Motor Control
The PIC18F27Q10T-I/SO is well-suited for small BLDC and PMSM motor control thanks to its integrated CWG (Complementary Waveform Generator), CCP and PWM channels that drive three-phase half-bridges with hardware dead-band insertion. The 64 MHz instruction rate supports field-oriented control (FOC) at 20 kHz PWM. Hardware limit timers (HLT) provide deterministic overcurrent shutdown, critical for safety-rated motor drives.
推薦
Battery-Powered IoT Edge Nodes
The PIC18F27Q10T-I/SO's XLP (eXtreme Low Power) technology delivers nanoamp-level sleep currents with peripheral functions operating autonomously, making it ideal for battery-powered IoT edge nodes. With 128 KB Flash and 3.5 KB RAM, it runs BLE/Zigbee host stacks or LoRaWAN MAC layers while the 5-bit DAC and ADC2 sample sensors. Energy harvesting designs benefit from the wide 2.3V to 5.5V supply range.
推薦
Building Automation (HVAC, Lighting)
The PIC18F27Q10T-I/SO powers HVAC and lighting controllers where 128 KB Flash accommodates DALI, BACnet or KNX protocol stacks while 25 I/O pins drive relays, triacs and 0-10V dimming outputs. The integrated comparators enable zero-cross detection for TRIAC phase-control dimming. 5V operation directly interfaces with industrial sensors and actuators without level shifters.
推薦
Automotive Body Electronics
The PIC18F27Q10T-I/SO is suitable for non-safety automotive body electronics such as seat controllers, mirror adjusters, and interior lighting where LIN bus and PWM dimming are required. Its 64 MHz core handles LIN 2.x slave stacks and the CWG generates complementary PWM for LED drivers. For under-hood applications requiring AEC-Q100, consider PIC18F27Q10-E/SO (extended temperature) variants.
推薦
Portable Medical Devices
The PIC18F27Q10T-I/SO fits portable medical monitoring devices like glucose meters, pulse oximeters and wearable health patches where low-power sleep and integrated analog are critical. The 10-bit ADC2 with computation averages sensor readings without CPU intervention, the 5-bit DAC drives audio cues, and the 64 MHz core runs displays and BLE stacks. XLP modes extend battery life in continuous-monitoring patches.
推薦
Consumer Appliance Control
The PIC18F27Q10T-I/SO is widely used in consumer appliances such as washing machines, coffee makers and induction cooktops where cost-effective 8-bit control is required. Its 128 KB Flash stores user interface state machines, the comparators detect zero-cross for TRIAC dimming, and the PWM drives motor speed control. The 5V-tolerant I/O interfaces directly with mains-side optocouplers and triacs.
推薦
推薦產品摘要
工程參考資料，適用於 PIC18F27Q10T-I/SO — 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 | PIC18F26Q10T-I/SO | PIC18F27Q10-I/SO | PIC18F27Q10T-E/SO | PIC18F26Q10-I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SOIC (same) | 28-SOIC (same) | 28-SOIC (same) | 28-SOIC (same) |
| Flash Memory | 128 KB | 64 KB (-50%) | 128 KB (same) | 128 KB (same) | 64 KB (-50%) |
| RAM | 3.5 KB | 3.5 KB (same) | 3.5 KB (same) | 3.5 KB (same) | 3.5 KB (same) |
| Maximum CPU Speed | 64 MHz | 64 MHz (same) | 64 MHz (same) | 64 MHz (same) | 64 MHz (same) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +125C (Extended) | -40C to +85C |
| Packaging Format | Tape & Reel | Tape & Reel | Tray | Tape & Reel | Tray |
| EEPROM | 256 B | 256 B (same) | 256 B (same) | 256 B (same) | 256 B (same) |
| ADC Resolution | 10-bit | 10-bit (same) | 10-bit (same) | 10-bit (same) | 10-bit (same) |
主要差異化特點
- Largest Flash in the PIC18F2xQ10 SOIC-28 family (對比PIC18F26Q10T-I/SO)
- Extended temperature range option available (對比PIC18F27Q10T-I/SO)
- Tape-and-reel packaging for production lines (對比PIC18F27Q10-I/SO)
設計說明
The PIC18F27Q10T-I/SO supports XLP modes with sleep currents as low as ~50 nA (typical) with Real-Time Clock/Calendar running. For battery-powered designs, configure the MCU to wake on a peripheral interrupt (e.g., ADC threshold or INT pin) rather than a timer overflow to minimize average current draw. Estimated: at 3V supply with one wake event per second, average current is dominated by active time and remains under 10 uA for typical sensor read cycles.
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 10) and another 10 uF bulk capacitor within 1 cm. The SOIC-28 package allows hand-soldering and breadboard prototyping - the wide 7.5 mm body gives adequate pad area for thermal relief. Add a 10 kohm pull-up on the MCLR pin (pin 27) for normal operation, with optional reset button to ground.
Do not confuse the SOIC-28 with SSOP-28 - they share the same pin count and pinout but have different PCB footprints. Always verify the package code suffix (/SO vs /SS) when ordering. Also, the PIC18F27Q10 uses PPS (Peripheral Pin Select) for flexible I/O mapping - peripherals like UART, I2C and SPI can be routed to multiple pins, but enabling PPS locking bits prevents accidental reconfiguration in the field.
合規資訊
RoHS and REACH compliant per Microchip product page. The PIC18F27Q10 family is not AEC-Q100 qualified - for automotive applications requiring that qualification, consider the PIC18F27Q10-E/SO extended-temperature variant or AEC-Q100 specific PIC18F K-series. Halogen-free status not confirmed in retrieved web data.
