PIC18F46Q10-E/P - 64KB Flash 8-bit MCU, 40-PDIP | Microchip
MPN： PIC18F46Q10-E/P ✓ 啟用中PIC18F46Q10-E/P 概覽
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), non-volatile storage (EEPROM), and programmable peripherals on one silicon die. The PIC18F46Q10 belongs to the PIC18 family of enhanced Harvard-architecture MCUs, which sits within the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The PIC18F46Q10 series is specifically optimized for real-time control and sensor-node applications, integrating intelligent analog peripherals, configurable logic cells (CLCs), and 5V operation for improved noise immunity in industrial environments.
Key features include a 10-bit ADC with up to 35 channels, a 5-bit DAC, three comparators, PWM/CCP/CWG waveform-generation peripherals, a windowed watchdog timer (WWDT), hardware SCAN/CRC for functional safety, a zero-cross detection (ZCD) module, and high/low-voltage detect (HLVD). The integrated Configurable Logic Cells let designers implement custom hardware-based logic without external glue logic, while the peripheral pin select (PPS) allows flexible signal routing to most digital I/O pins.
Architecturally, the PIC18F46Q10 uses Microchip's enhanced mid-range core with a hardware multiplier and a 16-bit instruction word, while peripherals operate on a separate 8-bit data bus. The Functional Safety (FuSa) features such as WWDT, SCAN/CRC, and memory partition make this family suitable for safety-critical designs targeting IEC 61508 SIL 2 / IEC 60730 class B compliance when used with the appropriate firmware libraries.
Typical applications include industrial sensor nodes, low-power IoT edge devices, motor-control and power-converter front-ends, building-automation controllers, white-goods user-interface modules, and automotive body-comfort subsystems (when the automotive-grade sibling variant is selected). The 5V-native I/O and configurable analog front-end are particularly well-suited for noisy industrial environments where 3.3V MCUs would struggle to meet noise margins.
When designing with this part, ensure decoupling follows the manufacturer guideline of 0.1uF + 1uF/10uF bulk capacitors placed within a few millimeters of VDD pins, and reserve adequate unused I/O as analog ground for ADC measurement integrity. Compared with a 3.3V-native MCU, designers should note that the 5V PIC18F46Q10 requires level-shifting only when interfacing to lower-voltage peripherals.
This page synthesizes distributor pricing, drop-in alternative recommendations, parametric comparison data, and practical design notes that are not aggregated on the manufacturer datasheet alone, supporting faster sourcing and design decisions for PIC18-Q10 series projects.
直接替換替代品，適用於 PIC18F46Q10-E/P — 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： PIC18F46Q10-E/P （相同外形與佔位） — 差異在於 ADC, Package, Core Architecture, Mounting Type, DAC.
PIC18F46Q10-I/P
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC18F46Q10-E/MP
✅ 直接替換聯絡詢價
查看資料表 →PIC18F47Q10-E/P
✅ 直接替換聯絡詢價
查看資料表 →PIC18F45Q10-E/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC18F46Q10-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC18F46Q10-E/P 最大額定值與電氣特性
| Manufacturer | Microchip Technology |
| Series | PIC® XLP™ 18Q, Functional Safety (FuSa) |
| Core Size / Architecture | 8-bit / Enhanced Harvard (PIC18) |
| Program Memory | 64 KB (64K x 8) Flash |
| RAM | 3.6 KB |
| EEPROM | 256 B |
| Maximum CPU Clock | 64 MHz |
| 封裝 | 40-pin PDIP (P) |
| 工作溫度 | -40C to +125C (Extended, "-E" suffix) |
| ADC | 10-bit ADC2 |
| DAC | 5-bit DAC |
| Comparators | 3 |
| CCP / CWG | Present (Capture/Compare/PWM + Complementary Waveform Generator) |
| Windowed Watchdog (WWDT) | Yes |
| SCAN/CRC (Functional Safety) | Yes |
| Zero-Cross Detect (ZCD) | Yes |
| HLT (Hardware Limit Timer) | Yes |
| Configurable Logic Cells (CLC) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| RoHS 狀態 | Compliant |
| 安裝類型 | Through-Hole (PDIP) |
PIC18F46Q10-E/P 腳位配置
| 腳位 1 | RA0 — Analog/Digital I/O - AN0/CMP1+/CWG1IN/CLCIN0/ICDDAT |
| 腳位 2 | RA1 — Analog/Digital I/O - AN1/CMP1-/ZCD1/CLCIN1 |
| 腳位 3 | RA2 — Analog/Digital I/O - AN2/DAC1OUT1/CMP2+/DAC2OUT1 |
| 腳位 4 | RA3 — Analog/Digital I/O - AN3/CMP2-/CMP1OUT |
| 腳位 5 | RA4 — Analog/Digital I/O - AN4/CMP3+/TMR0/CLCIN2 |
| 腳位 6 | RA5 — Analog/Digital I/O - AN5/CMP3-/ZCD2/CLCIN3 |
| 腳位 7 | RA6 — Digital I/O - OSC2/CLKOUT |
| 腳位 8 | RA7 — Digital I/O - OSC1/CLKIN |
| 腳位 9 | VSS — Ground reference |
| 腳位 10 | VDD — Positive power supply |
| 腳位 11 | RB0 — Digital I/O - ZCD/INT0/CCP4/CWG1IN |
| 腳位 12 | RB1 — Digital I/O - INT1/CMP3OUT/ZCD2 |
| 腳位 13 | RB2 — Digital I/O - INT2/CMP2OUT |
| 腳位 14 | RB3 — Digital I/O - INT3/CMP1OUT/CWG1FLT |
| 腳位 15 | RB4 — Digital I/O - INT4/SDA1/CWG2OUT |
| 腳位 16 | RB5 — Digital I/O - INT5/SCL1/CWG1OUT |
| 腳位 17 | RB6 — Digital I/O - ICSPCLK/ICDCLK/TX2 |
| 腳位 18 | RB7 — Digital I/O - ICSPDAT/ICDDAT/RX2 |
| 腳位 19 | VSS — Ground reference |
| 腳位 20 | VDD — Positive power supply |
| 腳位 21 | RC0 — Digital I/O - AN16/SOSC1/SCK1 |
| 腳位 22 | RC1 — Digital I/O - AN17/SOSC2/SDI1 |
| 腳位 23 | RC2 — Digital I/O - AN18/CCP1/SDO1 |
| 腳位 24 | RC3 — Digital I/O - AN19/SCK2/CCP2 |
| 腳位 25 | RC4 — Digital I/O - AN20/SDI2 |
| 腳位 26 | RC5 — Digital I/O - AN21/SDO2 |
| 腳位 27 | RC6 — Digital I/O - AN22/TX1/CK1/CCP3 |
| 腳位 28 | RC7 — Digital I/O - AN23/RX1/DT1/CCP4 |
| 腳位 29 | VSS — Ground reference |
| 腳位 30 | RD0 — Digital I/O - AN24/INT0/CCP5 |
| 腳位 31 | RD1 — Digital I/O - AN25/INT1/CCP6 |
| 腳位 32 | RD2 — Digital I/O - AN26/INT2/CMP2OUT |
| 腳位 33 | RD3 — Digital I/O - AN27/INT3/CCP7 |
| 腳位 34 | RD4 — Digital I/O - AN28/CCP8/SDO2 |
| 腳位 35 | RD5 — Digital I/O - AN29/CCP9/SDI2 |
| 腳位 36 | RD6 — Digital I/O - AN30/CCP10/SCK2 |
| 腳位 37 | RD7 — Digital I/O - AN31/CCP11/SS2 |
| 腳位 38 | RE0 — Analog/Digital I/O - AN5/CCP12 |
| 腳位 39 | RE1 — Analog/Digital I/O - AN6/CCP13 |
| 腳位 40 | VDD — Positive power supply (or AVSS/AVDD pin depending on datasheet revision) |
典型應用
PIC18F46Q10-E/P 適用於 6 應用s: Industrial Sensor Node with 4-20mA Input, Low-Power IoT Edge Device, Motor Control / Power Converter Front-End, Building Automation / HVAC Controller, White-Goods User Interface Board, Automotive Body Comfort Subsystem.
Industrial Sensor Node with 4-20mA Input
The PIC18F46Q10-E/P's 10-bit ADC2 with up to 35 input channels, 5V native I/O, and integrated Zero-Cross Detection (ZCD) make it ideal for industrial 4-20mA current-loop sensor nodes and AC-line monitoring. The Configurable Logic Cells (CLC) can implement custom hardware debouncing and signal conditioning without external glue logic, while the hardware SCAN/CRC enables IEC 60730 Class B functional-safety compliance for white-goods and process-sensor applications. Compared with a 3.3V-native MCU, the 5V PIC18F46Q10 eliminates the need for level-shifters in 24V industrial environments.
推薦
Low-Power IoT Edge Device
The PIC18F46Q10-E/P belongs to Microchip's PIC® XLP™ (eXtreme Low Power) family, offering sub-uA sleep currents with RTCC and Windowed Watchdog retention, making it well-suited for battery-powered IoT edge nodes such as remote wireless sensors and smart-building controllers. With 64KB Flash for protocol stacks (e.g., Modbus, LoRaWAN firmware) and the Peripheral Pin Select feature, designers can map UART/SPI/I2C to any digital I/O, simplifying PCB layout. The integrated 5-bit DAC drives bias or PWM-monitored loads directly without an external DAC.
推薦
Motor Control / Power Converter Front-End
The PIC18F46Q10-E/P's Complementary Waveform Generator (CWG), multiple PWM/CCP channels, and hardware fault-input timer (HLT) make it a strong choice for BLDC, PMSM, or PFC front-end controllers in 5V power-supply applications. The high-current 5V I/O directly drives gate-driver optocouplers or low-side MOSFETs without level translation, while the 64MHz CPU clock supports field-oriented control loops at moderate RPM. The integrated comparators and ZCD module enable zero-cross switching for AC/DC converters and TRIAC dimmers.
推薦
Building Automation / HVAC Controller
The 64KB Flash and 5V-tolerant I/O make the PIC18F46Q10-E/P ideal for HVAC zone controllers, thermostats, and lighting-control units that must interface with 24VAC-powered peripherals and triac-driven loads. The hardware Windowed Watchdog (WWDT) and SCAN/CRC deliver IEC 60730 Class B compliance for unattended heating equipment, while the Peripheral Pin Select lets a single board design adapt to different HVAC I/O assignments. The 256-byte EEPROM supports non-volatile setpoint retention across power cycles.
推薦
White-Goods User Interface Board
The PIC18F46Q10-E/P's 10-bit ADC driving up to 35 channels, integrated comparators, and CLC logic cells are ideal for washing-machine, dishwasher, and oven user-interface boards with capacitive touch, rotary encoders, and segment LCD drives. Functional Safety features such as WWDT and SCAN/CRC support IEC 60730 Class B compliance, while the 5V I/O directly drives LED indicators and relay coils. The 256-byte EEPROM retains user settings and fault logs without external memory.
推薦
Automotive Body Comfort Subsystem
The PIC18F46Q10 family supports automotive body-comfort applications such as seat controllers, mirror modules, and ambient lighting when the AEC-Q100-qualified automotive variant is selected. The extended -40C to +125C temperature rating ("E" suffix) and 5V I/O tolerance meet under-hood and cabin-environment requirements. The 64KB Flash accommodates CAN-capable firmware or LIN-stack implementation, while the CLC and PWM peripherals drive mirror-glass actuators or LED-current controllers.
推薦
推薦產品摘要
工程參考資料，適用於 PIC18F46Q10-E/P — 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 | PIC18F46Q10-I/P | PIC18F47Q10-E/P | PIC18F45Q10-E/PT | PIC18F46Q10-I/PT | PIC18F46Q10-E/MP |
|---|---|---|---|---|---|---|
| Package | 40-PDIP (P) | 40-PDIP (P) - same | 40-PDIP (P) - same | 44-TQFP (PT) - surface mount | 44-TQFP (PT) - surface mount | 40-QFN (MP) - surface mount |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64 KB | 64 KB | 128 KB | 32 KB | 64 KB | 64 KB |
| RAM | 3.6 KB | 3.6 KB | 3.6 KB | 2.0 KB | 3.6 KB | 3.6 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Maximum CPU Clock | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| Configurable Logic Cells (CLC) | Yes | Yes | Yes | Yes | Yes | Yes |
| Peripheral Pin Select (PPS) | Yes | Yes | Yes | Yes | Yes | Yes |
| Functional Safety (SCAN/CRC) | Yes | Yes | Yes | Yes | Yes | Yes |
主要差異化特點
- Integrated Configurable Logic Cells (CLC) and Peripheral Pin Select (PPS) (對比PIC18F46K22-E/P)
- Functional Safety (FuSa) hardware support (對比PIC18F46K80-I/P)
- 5V native I/O with 5-bit DAC and Zero-Cross Detection (對比PIC18F46Q10-I/P)
設計說明
The PIC18F46Q10-E/P is part of the PIC® XLP™ (eXtreme Low Power) family, but it is a 5V-native part - bulk decoupling must follow the datasheet's recommended 0.1uF ceramic + 1uF/10uF bulk pair within 2-3mm of each VDD pin pair. The 40-PDIP has three VDD pins (10, 20, 40) and three VSS pins (9, 19, 29); each pair should be individually decoupled to minimize digital switching noise coupling into the analog inputs. Adding a ferrite bead between digital and analog VDD supplies is recommended for sensitive ADC measurements.
Route the analog inputs (RA0-RA5, RE0-RE1) away from the digital switching lines (RB, RC, RD port toggling). Maintain a ground ring or guard trace around analog input traces to reduce digital-to-analog crosstalk. The Configurable Logic Cell (CLC) outputs and PWM/CCP outputs should not be routed adjacent to analog traces to preserve ADC signal integrity; target at least 3x trace-width spacing on the top layer.
At -40C to +125C extended temperature, the 40-PDIP package has thermal resistance (theta_JA) around 50 C/W. The XLP sleep current is sub-uA, so the MCU self-heating is negligible during low-power duty-cycled operation. However, at full 64MHz clock with all peripherals active, designers should verify junction temperature by computing P = VDD * IDD_active + per-I/O pin loading - target less than 100mW to stay well below the 125C Tj limit.
When migrating from PIC18F46K22 or PIC18F46K80 firmware to the Q10 family, note that the interrupt vector table layout and PPS register addresses differ significantly - existing K-series firmware will NOT boot on a Q10. Also note that the Q10's ZCD pin assignments differ from the K80; review the Peripheral Pin Select mapping table carefully before assigning UART/SPI/I2C to physical pins. Always program the CONFIG words for the external oscillator mode (HS vs XT vs EC) that matches your crystal or clock-source hardware.
The 10-bit ADC2 on the PIC18F46Q10-E/P has an acquisition time requirement of approximately 1-2us; sampling capacitors must be allowed to settle via adequate S/H time in firmware. For high-impedance source impedances (>10kohm), add an external op-amp buffer (e.g., MCP6002) between the sensor and the ADC pin to avoid gain error from the sample-and-hold switching transient. The internal 5-bit DAC has limited drive strength - add an external buffer if driving a low-impedance load.
合規資訊
PIC18F46Q10-E/P is RoHS compliant per Microchip product page. The standard PIC18F46Q10-E/P is NOT AEC-Q100 qualified - for automotive AEC-Q100 grade, look for the PIC18F46Q10-E/P-VAO automotive variant or the PIC18F46Q10 with explicit automotive part number. The Functional Safety (FuSa) features support IEC 60730 Class B when paired with Microchip's Class B firmware library.
