PIC18F13K22-E/SS - 8-bit 48MHz 8KB Flash XLP MCU | Microchip
MPN: PIC18F13K22-E/SS ✓ Hoạt độngPIC18F13K22-E/SS Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile RAM, and a mix of analog and digital peripherals. The 8-bit PIC18 architecture falls in the hierarchy: microcontroller -> embedded processor -> semiconductor. Within the MCU family, the PIC18 sits between the 8-bit baseline (PIC10/12/16) and the 16-bit dsPIC/PIC24 families, and is targeted at C-compiler-optimized applications where deterministic behaviour, low power, and rich peripherals matter more than raw MHz.
Key features include a 49-instruction RISC core with hardware multiplier, 16-bit instruction word, internal oscillator factory-calibrated to within +/-1% over voltage and temperature, two analog comparators with programmable references, and a charge time measurement unit (CTMU) for capacitive touch sensing. The nanoWatt XLP technology and the deep-sleep modes deliver microamp-level average current for battery-powered designs, which is one reason this family is widely used in IoT edge nodes and remote sensor products.
In terms of architecture, the part uses a Harvard bus with separate code and data paths, an 8-level hardware stack, and a vectored interrupt controller with two priority levels. The Flash memory supports self-programming under firmware control, which enables in-field bootloader updates via UART, I2C or SPI - a frequent requirement for sealed products that cannot be physically opened for firmware changes.
Typical applications include consumer white goods, low-power handheld instruments, sensor hubs for HVAC systems, USB HID devices (using a software USB stack), and small appliances with capacitive touch interfaces. The wide 2.3V-5.5V supply range lets a single design operate from two AA cells or a regulated 3.3V or 5V rail, simplifying the BOM.
When designing with this device, place a 100 nF decoupling capacitor within 5 mm of the VDD pin and keep the MCLR pull-up close to the IC. Use the internal oscillator to free the OSC pins for I/O on pin-constrained designs, and leave the unused I/O pins configured as outputs low to minimize current draw.
This page synthesizes distributor pricing, drop-in cross-references, and design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC18F13K22-E/SS — 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 PIC18F13K22-E/SS (cùng hình factor và footprint) — khác nhau ở Core Architecture, Timers, Package, ADC, Maximum CPU Frequency.
PIC18F13K22-I/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F13K22T-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F1330-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F1220-E/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F1230-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F13K22-E/SS Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC18 (8-bit RISC) |
| Program Memory (Flash) | 8 KB (4K x 16) |
| RAM | 256 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Frequency | 48 MHz |
| Operating Voltage (VDD) | 2.3 V to 5.5 V (extended Vdd range; Flash program spec 4.2-5.5 V for some ratings) |
| I/O Pins | 16 |
| ADC | 10-bit, up to 12 channels |
| Timers | 4 (Timer0/1/2/3, plus ECCP + CCP) |
| Communication | EUSART, MSSP (SPI / I2C) |
| Comparators | 2 with selectable references |
| PWM Channels | Up to 4 (ECCP + CCP) |
| Temperature Grade (E suffix) | -40 C to +125 C (extended industrial) |
| Hộp | 20-pin SSOP |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
| MSL (Moisture Sensitivity) | 1 (unlimited floor life) |
Cấu hình chân PIC18F13K22-E/SS
| Chân 1 | RA3/AN3/VREF+/T0CKI — Bidirectional I/O / Analog input 3 / Voltage reference positive / Timer0 clock input |
| Chân 2 | RA4/AN4/T1G — Bidirectional I/O / Analog input 4 / Timer1 gate input |
| Chân 3 | RA5/MCLR/VPP — Bidirectional I/O / Master Clear (Reset) input / Programming voltage input |
| Chân 4 | RA6/OSC2/CLKO — Bidirectional I/O / Oscillator pin 2 / Clock output |
| Chân 5 | RA7/OSC1/CLKI — Bidirectional I/O / Oscillator pin 1 / Clock input |
| Chân 6 | VSS — Ground reference |
| Chân 7 | RA0/AN0/C1IN+/INT0 — Bidirectional I/O / Analog input 0 / Comparator1 non-inverting input / External interrupt 0 |
| Chân 8 | RA1/AN1/C1IN-/INT1 — Bidirectional I/O / Analog input 1 / Comparator1 inverting input / External interrupt 1 |
| Chân 9 | RA2/AN2/C2IN+/VREF- — Bidirectional I/O / Analog input 2 / Comparator2 non-inverting input / Voltage reference negative |
| Chân 10 | RC0/SOSCO — Bidirectional I/O / Secondary oscillator output (Timer1) |
| Chân 11 | RC1/SOSCI — Bidirectional I/O / Secondary oscillator input (Timer1) |
| Chân 12 | RC2/CCP1 — Bidirectional I/O / Capture/Compare/PWM1 output |
| Chân 13 | RC3/SCK/SCL — Bidirectional I/O / SPI clock / I2C clock |
| Chân 14 | RC4/SDI/SDA — Bidirectional I/O / SPI data in / I2C data |
| Chân 15 | RC5/SDO — Bidirectional I/O / SPI data out |
| Chân 16 | RC6/TX/CK — Bidirectional I/O / EUSART TX / EUSART clock |
| Chân 17 | RC7/RX/DT — Bidirectional I/O / EUSART RX / EUSART data |
| Chân 18 | VSS — Ground reference |
| Chân 19 | VDD — Positive supply voltage |
| Chân 20 | RB7/ICSPDAT — Bidirectional I/O / ICSP data |
Ứng dụng tiêu biểu
PIC18F13K22-E/SS phù hợp cho 6 Áp dụngs: Battery-Powered Sensor Hub, Industrial HVAC Touch Keypad, Low-Speed USB HID Device, White Goods User Interface, Automotive Cabin Auxiliary Module, Portable Measurement Instrument.
Battery-Powered Sensor Hub
The PIC18F13K22-E/SS is an excellent fit for battery-powered sensor hubs where deep-sleep current and standby endurance dominate the energy budget. Its nanoWatt XLP core draws as little as 50 nA typical in sleep mode while retaining RAM, so a CR2032 cell can power a wake-measure-transmit duty cycle for years. The 16 available I/O pins allow connection of multiple SPI or I2C sensors, and the 10-bit ADC with 12 channels handles analog front-end channels without an external converter. Versus a Cortex-M0 alternative, the PIC18F13K22-E/SS offers a smaller code footprint and lower sleep current at the cost of raw MIPS.
Được đề xuất
Industrial HVAC Touch Keypad
The PIC18F13K22-E/SS drives capacitive touch keypads in HVAC controllers through its on-chip CTMU (Charge Time Measurement Unit), eliminating the dedicated touch-IC BOM line. The extended -40 C to +125 C temperature grade of the E suffix lets the part sit inside a sealed wall thermostat next to a triac heat stage. Sixteen I/O lines suffice for a 4x4 scan matrix plus LED feedback and UART to a host controller. Compared to a 32-bit MCU, this PIC18 part reduces BOM cost by 30-50% while keeping deterministic latency for the touch-scan ISR.
Được đề xuất
Low-Speed USB HID Device
The PIC18F13K22-E/SS runs Microchip's free low-speed USB firmware stack to implement HID peripherals such as custom keypads, mice, game controllers, and configuration dongles. The 48 MHz instruction rate gives the SIE bit-banging margin, while the 8 KB Flash is sufficient for the stack plus application descriptor table. The 5.5 V tolerance removes the need for a separate USB regulator when the bus-powered 5 V rail is used. Compared to dedicated USB-interface MCUs, this part keeps one firmware image across USB and non-USB SKUs of the same product.
Được đề xuất
White Goods User Interface
White-goods front panels (washing machines, dishwashers, induction cooktops) use the PIC18F13K22-E/SS to scan the keypad, drive the seven-segment/LED display, and bridge to the main appliance MCU over UART. The +125 C extended industrial grade survives the closed-cavity heat soak of a control panel mounted above a steam generator or induction coil. Sixteen I/Os comfortably handle 7-segment multiplexing plus switch matrix and beeper. Versus a 16-bit alternative, the PIC18F13K22-E/SS drops BOM cost and offers the established PIC18 ecosystem with long-term firmware library support.
Được đề xuất
Automotive Cabin Auxiliary Module
In non-safety cabin roles (reading lights, ambient lighting controllers, USB charging indicators) the PIC18F13K22-E/SS handles LED PWM, key-scan, and LIN-style UART communication on a single 5 V rail. The extended -40 C to +125 C temperature grade matches the automotive cabin environment, and the nanoWatt XLP idle current keeps parasitic drain on the 12 V battery negligible. Compared to AEC-Q100-qualified PIC18F46K22 used elsewhere on the same car, this smaller 20-pin PIC is the right size and cost for distributed cabin nodes that are not safety-critical.
Được đề xuất
Portable Measurement Instrument
Handheld DMMs, clamp meters, and laser-distance tools use the PIC18F13K22-E/SS to drive the LCD, sample the ADC, and manage the auto-power-off duty cycle on two AA cells. The 2.3-5.5 V operating range accommodates a fresh 3.0 V AA pair down to a 2.3 V cut-off without a boost converter, and the 48 MHz CPU handles RMS calculations in real time. The 16 GPIO pins are sufficient for rotary-encoder, function-switch, and LCD-glass bias drive. Compared to a 32-bit Cortex-M0 MCU, this PIC18 trades MHz for lower sleep current and a smaller footprint in the BOM.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F13K22-E/SS — 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 | PIC18F13K22-I/SS | PIC18F13K22T-I/SS | PIC18F1330-I/SS | PIC18F1220-E/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin SSOP | 20-pin SSOP - same | 20-pin SSOP - same | 20-pin SSOP - same | 20-pin SSOP - same |
| Flash Memory | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB (-50%) |
| RAM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Maximum Clock | 48 MHz | 48 MHz | 48 MHz | 40 MHz (-17%) | 40 MHz (-17%) |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| Temperature Grade | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +125 C (E) |
| Unit Price (qty 1000) | $1.55 | $1.50 (approx) | $1.55 (approx) | $1.40 (approx) | $1.30 (approx) |
Bảo phân biệt quan trọng
- nanoWatt XLP deep-sleep current down to ~50 nA typical (vsPIC18F1220-E/SS)
- Higher 48 MHz maximum CPU clock vs 40 MHz on older PIC18F1X devices (vsPIC18F1330-I/SS)
- Extended -40 C to +125 C temperature grade on the E suffix (vsPIC18F13K22-I/SS)
- Self-programmable Flash with bootloader support (vsPIC18F1220-E/SS)
Ghi chú thiết kế
The PIC18F13K22-E/SS uses a single VDD rail at 2.3 V to 5.5 V. Place a 100 nF ceramic decoupling capacitor within 5 mm of the VDD pin and tie VSS to a low-impedance ground pour. For USB or other high-current transients, add a 10 uF bulk capacitor at the regulator output. Use Sleep mode with peripherals disabled when the MCU is idle; nanoWatt XLP draws less than 100 nA typical in deep sleep, which is the dominant factor in battery life.
Route the ICSP pins (RB7/ICSPDAT and RB6/ICSPCLK on the 28-pin variant; on the 20-pin /SS variant ICSP uses RB7/RA1/RB6 mapping) close to in-circuit programming header pads to keep the programming cable short. Keep the MCLR pull-up (typically 10 kohm) within 5 mm of the MCLR/RA5 pin to avoid spurious resets. Maintain a continuous ground pour under the IC for thermal sinking and EMI return current; the 20-pin SSOP has no thermal pad so this pour is purely electrical.
Do not assume the Flash programming voltage follows the full 2.3 V-5.5 V operating range. Self-write/erase operations require VDD in the 4.2 V to 5.5 V band; below that, the write will be inhibited or corrupt. When designing a battery-powered bootloader, hold off in-field updates until the battery voltage confirms this band, or boost VDD locally during the write. Also note that the E suffix is the +125 C variant; do not substitute an I part into a sealed high-temperature enclosure.
When using an external crystal, place the load capacitors within 3-5 mm of the OSC1/OSC2 pins and keep the crystal traces short and symmetric; avoid routing noisy digital signals under or next to the crystal. If the internal HFINTOSC is used instead, OSC1/OSC2 can be reassigned to digital I/O - freeing two pins for keypad or display use on the already GPIO-constrained 20-pin package.
Thông tin tuân thủ
RoHS and lead-free compliant per Microchip product page. Not AEC-Q100 qualified - for AEC-Q100 automotive safety applications use a Q1/PIC18F-K22 Q1 variant. Halogen-free status not stated in the verified data.
