PIC16F18323T-I/SLVAO - 8-bit 32MHz MCU, 3.5KB Flash | Microchip
MPN: PIC16F18323T-I/SLVAO ✓ Hoạt độngPIC16F18323T-I/SLVAO Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), electrically erasable data storage (EEPROM), and a rich set of on-chip peripherals such as timers, ADC, communication interfaces, and GPIOs. Within the broader system hierarchy, the PIC16F18323T-I/SLVAO belongs to the 8-bit MCU category, which sits beneath 16-bit and 32-bit MCUs in computational capability but above pure digital logic in functional integration. This places it firmly in the embedded controller tier of any electronic system, where it orchestrates sensors, actuators, and user interfaces in cost- and power-sensitive designs.
Key differentiating features include Peripheral Pin Select (PPS) which allows software remapping of digital peripherals to any I/O pin, an integrated 10-bit ADC with computation, and support for up to 12 I/O pins. The 14-pin SOIC package provides a thermal resistance (theta JA) suitable for industrial temperature operation from -40 C to +85 C (industrial grade "I"), while the trailing "VAO" suffix designates an automotive-grade variant screened to AEC-Q100 requirements.
The architectural foundation combines a RISC-based 8-bit CPU core with a hardware multiplier and direct LED drive capability on selected pins. PPS remapping decouples peripheral pinout from silicon, allowing layout optimization without code rewrite. Together with CLCs that implement custom logic gates in hardware, these features enable deterministic, low-power operation without burdening the CPU.
Typical applications include automotive body electronics and sensor nodes, IoT edge devices running on coin-cell batteries, low-cost sensor hubs, LED lighting controllers, and consumer appliance user interfaces. AEC-Q100 qualification makes the "VAO" suffix specifically suited to in-cabin automotive ECUs where reliability under thermal stress and vibration is mandated.
When designing with this part, place a 0.1 uF decoupling capacitor within 3 mm of the VDD pin and a 10 uF bulk capacitor near the supply rail. For automotive EMC compliance, keep clock traces short and add a ferrite bead on VDD if the supply is shared with inductive loads. The "T" in the MPN denotes tape-and-reel packaging, and the "VAO" suffix is the AEC-Q100 automotive designation.
Bộ thay thế dễ dàng lắp đặt cho PIC16F18323T-I/SLVAO — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16F18323T-I/SLVAO (cùng hình factor và footprint) — khác nhau ở ADC, Package, I/O Pins, Automotive Qualification, Comparators.
PIC16F18323T-E/SLVAO
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PIC16F18323-E/SL
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| Core Architecture | PIC 8-bit RISC |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data RAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V |
| I/O Pins | 12 |
| ADC | 10-bit |
| PWM Channels | 10-bit PWM, CCP, CWG |
| Core Independent Peripherals | CLC, CCP, CWG, NCO |
| Peripheral Pin Select (PPS) | Yes |
| Hộp | 14-pin SOIC (0.154 in / 3.90 mm width) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial grade "I") |
| Automotive Qualification | AEC-Q100 ("VAO" suffix) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16F18323T-I/SLVAO
| Chân 1 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| Chân 2 | RA5 — I/O port A bit 5 / PPS remappable |
| Chân 3 | RA4 — I/O port A bit 4 / PPS remappable |
| Chân 4 | RA3 — I/O port A bit 3 / MCLR (alternate) |
| Chân 5 | RC5 — I/O port C bit 5 / PPS remappable |
| Chân 6 | RC4 — I/O port C bit 4 / PPS remappable |
| Chân 7 | RC3 — I/O port C bit 3 / PPS remappable |
| Chân 8 | RC2 — I/O port C bit 2 / PPS remappable |
| Chân 9 | RC1 — I/O port C bit 1 / ICSPCLK |
| Chân 10 | RC0 — I/O port C bit 0 / ICSPDAT |
| Chân 11 | RA2 — I/O port A bit 2 / PPS remappable |
| Chân 12 | RA1 — I/O port A bit 1 / PPS remappable |
| Chân 13 | RA0 — I/O port A bit 0 / PPS remappable |
| Chân 14 | VSS — Ground reference |
Ứng dụng tiêu biểu
PIC16F18323T-I/SLVAO phù hợp cho 6 Áp dụngs: Automotive Body Electronics ECU, Battery-Powered IoT Sensor Node, LED Lighting Controller, Consumer Appliance User Interface, Industrial Sensor Hub, Smart Home Wireless Gateway.
Automotive Body Electronics ECU
The PIC16F18323T-I/SLVAO's AEC-Q100 (VAO) automotive qualification and 1.8-5.5 V supply make it well-suited to body controllers running directly from a 12 V regulated battery rail. With 12 I/O pins and PPS, the MCU can drive seat-control relays, read switch contacts, and run LIN-like bit-banged protocols all from one chip. CIPs such as the CLC offload debouncing and PWM timing to hardware, leaving CPU cycles free for diagnostics. Compared with general-purpose MCUs, the VAO grade avoids requalification when modules are designed into production vehicle programs.
Được đề xuất
Battery-Powered IoT Sensor Node
The XLP (Extreme Low Power) technology in PIC16F18323T-I/SLVAO delivers nanoWatt sleep currents, allowing multi-year coin-cell operation for remote sensor telemetry. Its 32 MHz active mode provides enough MIPS to run sensor conditioning algorithms, while PPS lets designers remap UART or I2C to any spare pin for compact PCB layouts. The 3.5 KB Flash fits typical BLE/Zigbee host-controller code, and 256 bytes EEPROM stores calibration constants without external memory. Compared with discrete-MOSFET wake-up circuits, integrated CIPs shrink the BOM and lower quiescent drain.
Được đề xuất
LED Lighting Controller
The PIC16F18323T-I/SLVAO integrates 10-bit PWM, CCP, and a Complementary Waveform Generator (CWG) capable of producing dead-band-controlled half-bridge drive signals for LED strings and small DC motor loads. With 12 I/O and PPS, multiple PWM channels can be assigned to different pins, eliminating the need for an external gate driver in low-current lighting applications. The 1.8-5.5 V supply lets the MCU run directly from a single Li-ion cell, simplifying battery-powered LED fixtures. Compared with discrete 555-timer PWM circuits, this approach adds firmware-controlled dimming curves and fault detection.
Được đề xuất
Consumer Appliance User Interface
The PIC16F18323T-I/SLVAO's CLC and CWG peripherals implement capacitive-touch decoding, buzzer PWM, and indicator LED multiplexing in hardware, offloading the CPU for responsive UI performance. The 14-pin SOIC package is easy to hand-solder for prototype builds while still meeting SMT cost targets in production. XLP enables low standby power to meet energy-star appliance regulations. Compared with mechanical switch matrices, a firmware-driven UI cuts assembly cost and enables OTA feature updates through self-programming Flash.
Được đề xuất
Industrial Sensor Hub
The PIC16F18323T-I/SLVAO's integrated 10-bit ADC with computation, combined with PPS-remappable UART/SPI/I2C, lets one chip aggregate readings from multiple sensors and forward them over RS-485 or CAN. The industrial -40/+85 C temperature range supports factory-floor deployment, while 256 bytes EEPROM stores calibration and unit ID data. The 32 MHz core runs Modbus RTU stacks without external RTOS support. Compared with multi-chip discrete designs, this single-chip approach reduces PCB area and improves long-term reliability.
Được đề xuất
Smart Home Wireless Gateway
The PIC16F18323T-I/SLVAO acts as a low-cost host controller for sub-GHz or BLE modules in smart-home gateways, using PPS to map SPI/UART to the radio and freeing additional pins for status LEDs and pushbuttons. The CLC peripheral can implement custom glue logic between the module's data pins and the MCU interrupts. With XLP, idle quiescent current stays under 100 nA, keeping standby power negligible. Compared with 32-bit ARM Cortex-M0 gateways, this 8-bit option delivers adequate throughput at a fraction of the cost for simple protocol bridging.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F18323T-I/SLVAO — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16F18323T-E/SLVAO | PIC16F18323-I/SLVAO | PIC16F18323-E/SL |
|---|---|---|---|---|
| Package | 14-pin SOIC | 14-pin SOIC - same | 14-pin SOIC - same | 14-pin SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB |
| RAM | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Max CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Temperature Range | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) |
| Automotive Grade (VAO) | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) | No (non-automotive) |
| Packaging Format | Tape & Reel | Tape & Reel | Tube | Tube |
Bảo phân biệt quan trọng
- AEC-Q100 automotive qualification in VAO suffix (vsPIC16F18323-E/SL)
- Tape-and-reel packaging for high-volume SMT assembly (vsPIC16F18323-I/SLVAO)
- Peripheral Pin Select enables software-driven pin remapping (vsPIC16F18323T-E/SLVAO)
Ghi chú thiết kế
Place a 0.1 uF decoupling capacitor within 3 mm of the VDD pin and a 10 uF bulk capacitor on the supply rail. For automotive 12 V battery applications, add a TVS diode and ferrite bead on VDD to absorb load-dump transients and meet ISO 7637-2 surge immunity.
PPS peripheral-to-pin mapping is not preserved across device resets in all modes; verify the PPS configuration is re-applied after each wake-up from deep sleep. Also, the MCLR pin (RA3 alternate) is enabled by default; if left floating, spurious resets can occur in noisy environments.
Keep the 14-pin SOIC ground plane unbroken under the IC and route the ICSPDAT/ICSPCLK lines (RC0/RC1) away from high-current switching traces to avoid programming and debug glitches. For automotive designs, dedicate a separate analog ground island if the ADC is used with low-level sensor inputs.
Thông tin tuân thủ
VAO suffix confirms AEC-Q100 automotive-grade screening per Microchip product family designation. RoHS and REACH compliance verified via Microchip product page. Halogen-free status not explicitly stated in available data.
