PIC16F18326-E/P - 8-Bit 32MHz XLP MCU 28KB FLASH | Microchip
料号： PIC16F18326-E/P ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.49 | $14.90 |
| 100 | $1.31 | $131.00 |
| 500 | $1.12 | $560.00 |
| 1,000 | $0.95 | $950.00 |
PIC16F18326-E/P 概述
An 8-bit microcontroller (MCU) is a compact computing device built around an 8-bit data path, integrating CPU, RAM, non-volatile program memory and peripherals on a single CMOS die. Within the semiconductor taxonomy, an MCU is a subclass of microcontroller -> integrated circuit -> semiconductor. The PIC16F18326 sits in Microchip's enhanced mid-range PIC16 family and is part of the broader 8-bit MCU category, typically chosen over 32-bit parts where cost, deterministic code execution and ultra-low standby current matter more than raw compute.
Key features include 256 bytes of EEPROM data memory, a 10-bit ADC with computation, a 5-bit DAC, two SPI/I2C and one EUSART with PPS remapping, two PWM modules, two CCP modules, a CWG, CLC, and NCO for waveform synthesis. The PIC16F18326-E/P integrates a 32 MHz internal oscillator, eliminating external crystal cost in many designs. The XLP technology delivers typical sleep currents in the nanoampere range, with active current roughly 50 uA/MHz, suitable for battery-powered IoT nodes.
The architecture uses a Harvard RISC core with a 14-bit instruction word and 32 MHz internal oscillator, providing 8 MIPS peak throughput. The integrated peripherals are interconnected through the PPS fabric, allowing software-configurable mapping of digital functions to physical pins. This increases routing flexibility without requiring multiple package variants for different peripheral mixes.
Typical applications include low-power IoT sensor nodes, battery-powered remote controls, consumer appliance interfaces, LED lighting controllers, and small motor control loops where the CWG and PWM peripherals generate complementary drive waveforms. The 28 KB Flash accommodates a substantial application stack including USB stacks, bootloader, or BLE command libraries.
When designing with this device, verify that the chosen clock source has acceptable accuracy for UART baud-rate tolerance. For sleep-mode designs, gate unused peripherals in firmware and use the dsPIC/PIC "DOZE" and "SLEEP" modes to minimize active quiescent current; this typically yields standby current below 1 uA.
直接替换替代料： PIC16F18326-E/P ——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： PIC16F18326-E/P （相同外形与封装尺寸） ——差异在于 Program Memory (Flash), ADC, Package, Core, I/O Pins.
快速对比工具——选择替代料号进行并排对比：
PIC16F18325-E/P
✅ 直接替换✓ 有现货
$1.05 / 个
查看数据手册 →PIC16F18324-E/P
✅ 直接替换✓ 有现货
$0.78 / 个
查看数据手册 →PIC16F18323-E/P
✅ 直接替换✓ 有现货
$0.78 / 个
查看数据手册 →PIC16F18313-E/P
✅ 直接替换✓ 有现货
$0.75 / 个
查看数据手册 →PIC16F1829-E/P
✅ 直接替换✓ 有现货
$1.41 / 个
查看数据手册 →PIC16F18326-E/P 最大额定值与电气特性
| Core | PIC16 8-bit RISC, 14-bit instruction word |
| CPU Speed | 32 MHz (8 MIPS) |
| Program Memory (Flash) | 28 KB (16K x 14) |
| Data SRAM | 2 KB |
| Data EEPROM | 256 bytes |
| ADC | 10-bit with computation |
| DAC | 5-bit |
| PWM Modules | 2 |
| CCP Modules | 2 |
| Communication Interfaces | 2x SPI, 2x I2C, 1x EUSART (with PPS) |
| Peripheral Pin Select (PPS) | Yes |
| Internal Oscillator | 32 MHz |
| Temperature Range | -40C to +125C (Extended grade) |
| 封装 | 14-pin PDIP (P) |
| 安装类型 | Through-Hole |
| RoHS 状态 | Compliant |
PIC16F18326-E/P 引脚配置
| 引脚 1 | VDD — Positive power supply |
| 引脚 2 | RA5 — Bidirectional I/O / analog input / DAC output |
| 引脚 3 | RA4 — Bidirectional I/O / analog input |
| 引脚 4 | RA3/MCLR — Bidirectional I/O / Master Clear (reset, active low) |
| 引脚 5 | RC5 — Bidirectional I/O / analog input / PPS-remappable |
| 引脚 6 | RC4 — Bidirectional I/O / analog input / PPS-remappable |
| 引脚 7 | RC3 — Bidirectional I/O / analog input / PPS-remappable |
| 引脚 8 | RC2 — Bidirectional I/O / analog input / PPS-remappable |
| 引脚 9 | RC1 — Bidirectional I/O / analog input / ICSP DAT |
| 引脚 10 | RC0 — Bidirectional I/O / analog input / ICSP CLK |
| 引脚 11 | RA2 — Bidirectional I/O / analog input |
| 引脚 12 | RA1 — Bidirectional I/O / analog input / DAC reference |
| 引脚 13 | RA0 — Bidirectional I/O / analog input |
| 引脚 14 | VSS — Ground reference |
典型应用
PIC16F18326-E/P 适用于 7 应用s: Battery-Powered IoT Sensor Node, Consumer Remote Control, LED Lighting Controller, Small BLDC/Pump Motor Control, Home Appliance User Interface, Automotive Body Electronics, Industrial Sensor Transmitter.
Battery-Powered IoT Sensor Node
The PIC16F18326-E/P's eXtreme Low Power (XLP) architecture delivers nanoampere-range standby current, making it well-suited for battery-powered IoT sensor nodes that spend 99% of their duty cycle in sleep mode. According to the Microchip datasheet, the integrated 10-bit ADC and 5-bit DAC enable direct connection to analog sensors without external signal conditioning, while the 32 MHz internal oscillator eliminates external crystal cost. The 28 KB Flash accommodates wireless stack fragments, sensor calibration data and BLE command libraries. Power budgeting: a typical sensor node reading every 10 seconds with 100 ms active time achieves years of operation from a CR2032 cell.
推荐
Consumer Remote Control
The PIC16F18326-E/P's PPS functionality and 14-pin PDIP availability make it suitable for low-cost handheld remote controls where button scanning, IR transmit and battery monitoring are needed. According to the datasheet, the 10-bit ADC reads battery voltage without external components, while the CWG peripheral generates accurate 38 kHz carrier waveforms for NEC/RC5 IR protocols. The 2 KB SRAM handles button debouncing, IR protocol stacks and sleep wake-up logic. Power consumption during standby is critical for coin-cell remotes lasting multiple years.
推荐
LED Lighting Controller
The PIC16F18326-E/P integrates two PWM/CCP modules, the CWG peripheral and 5-bit DAC, providing all the building blocks for LED lighting controllers with dimming and color-mixing. According to the Microchip datasheet, the PWM frequency can be tuned up to 32 kHz for flicker-free dimming, while the 10-bit ADC reads ambient light sensors for closed-loop brightness control. The 28 KB Flash fits Zigbee Light Link or DALI protocol state machines. Low sleep current supports wall-switch-mounted wireless lighting nodes.
推荐
Small BLDC/Pump Motor Control
The PIC16F18326-E/P's CWG (Complementary Waveform Generator) and 2x PWM outputs make it a fit for small sensorless BLDC motor control loops in fans, pumps and appliances. According to the datasheet, the CWG generates complementary drive signals with programmable dead-band for H-bridge MOSFETs, while the ADC samples back-EMF for commutation timing. At 32 MHz the CPU can execute Field-Oriented Control loops at 10 kHz update rate for small motors. Lower BOM cost vs dedicated motor controllers justifies the firmware effort in cost-sensitive products.
推荐
Home Appliance User Interface
The PIC16F18326-E/P is a fit for white-good appliance user-interface boards driving 7-segment displays, keypads and buzzer feedback. According to the datasheet, the 10-bit ADC reads potentiometers for analog inputs, while PWM drives piezo buzzers with variable tones. The 14-pin PDIP is preferred for hand-repairable consumer appliances where field replacement matters. Extended -40C to +125C temperature grade supports refrigerator and oven-control board environments.
推荐
Automotive Body Electronics
The PIC16F18326-E/P's Extended -40C to +125C temperature grade, PPS routing and small 14-pin PDIP make it usable in non-safety automotive body electronics such as mirror controllers, seat-position memories and HVAC blend-door actuators. According to the Microchip datasheet, the integrated EUSART and LIN-capable UART enable LIN bus connectivity for body-domain networks. Designers should note this part is NOT AEC-Q100 qualified; for AEC-Q100 automotive applications choose PIC16F18326-E/P automotive equivalents from Microchip's Q-grade portfolio. Power management via XLP supports always-on body modules.
推荐
Industrial Sensor Transmitter
The PIC16F18326-E/P's 10-bit ADC, 5-bit DAC, SPI/I2C and EUSART interfaces cover the I/O needs of industrial 4-20 mA sensor transmitters. According to the Microchip datasheet, the CWG and NCO peripherals can synthesize HART or other analog modulation overlays on the 4-20 mA loop, while the 28 KB Flash accommodates linearization tables for thermocouples and load cells. The Extended temperature grade supports outdoor industrial installations. UART enables RS-485 communication via external transceivers for fieldbus networks.
推荐
推荐产品汇总
工程参考数据： PIC16F18326-E/P ——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 | PIC16F18325-E/P | PIC16F18324-E/P | PIC16F18323-E/P | PIC16F18313-E/P | PIC16F1829-E/P |
|---|---|---|---|---|---|---|
| Package | 14-pin PDIP | 14-pin PDIP - same | 14-pin PDIP - same | 14-pin PDIP - same | 14-pin PDIP - same | 14-pin PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 28 KB | 14 KB (-50%) | 7 KB (-75%) | 3.5 KB (-87%) | 2 KB (-93%) | 8 KB (-71%) |
| SRAM | 2 KB | 2 KB | 1 KB | 512 B | 256 B | 1 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Peripheral Pin Select (PPS) | Yes | Yes | Yes | Yes | Yes | No (legacy pin assignment) |
| Temperature Grade | -40C to +125C (Extended) | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
关键差异点
- Largest Flash within the PIC16F183xx 14-pin PDIP family （对比 PIC16F18325-E/P)
- Lower-voltage operation down to 1.8V (F variant) （对比 PIC16F1829-E/P)
- PPS routing flexibility for mixed-function pins （对比 PIC16F1829-E/P)
设计说明
Estimated: at VDD=3.3V with the CPU active at 32 MHz and all peripherals enabled, the PIC16F18326-E/P draws roughly 2-4 mA; in Sleep mode with peripherals gated, current drops to nanoampere range per the XLP specification. For battery-powered designs, gate unused peripherals via PMD registers before entering Sleep, and use the RTCC or IOC to wake the CPU. Decouple VDD with 100 nF ceramic placed within 5 mm of the VDD pin.
Route MCLR as a high-impedance input with a 10 kohm pull-up to VDD; add a 100 nF cap to ground on MCLR for reset noise immunity. Keep the ICSPDAT and ICSPCLK traces short (under 50 mm) and away from switching signals to avoid in-circuit programming glitches. For mixed-signal layouts, separate analog (ADC) traces from digital PWM/CCP outputs with a ground guard ring around the analog pin group.
Do not leave the MCLR pin floating - either tie it to VDD via 10 kohm pull-up or drive it from a supervisor. PPS remapping must be unlocked via the PPSLOCK register sequence before configuration writes; forgetting this is the most common cause of "peripheral doesn't work" debug sessions. The internal 32 MHz oscillator has +/- 2% factory trim accuracy; for UART baud rates requiring tighter tolerance, switch to the HFINTOSC with PLL or an external crystal via the FOSC configuration bits.
The 14-pin PDIP package has thermal resistance theta_JA of approximately 70 C/W, but at typical MCU current draw (<10 mA) self-heating is negligible (<1 C rise). For high-temperature +125C environments, derate clock frequency per the datasheet's thermal operating profile. Avoid placing the MCU adjacent to power components on the PCB; provide at least 5 mm spacing or a thermal cutout in the copper pour.
合规信息
RoHS compliant per Microchip product page; not AEC-Q100 qualified (for automotive select Q-graded variants). Lead-free and Pb-free packaging per Microchip packaging specifications.
