PIC18F67K22-I/PT

Analisis Akhiran

• 67K22: 128 KB Flash, 64-pin variant of PIC18F K22 XLP family
• I: Kelas suhu industri (-40°C ~ +85°C)
• PT: 64-pin thin quad flat pack (TQFP) surface-mount package
• Tape-and-reel production version: PIC18F67K22T-I/PT

1. Core Architecture & Memory Specifications

CPU Core

• Optimized RISC architecture with 77 single-word instructions, backward compatible with all PIC12/PIC16/PIC18 families
• Max operating clock frequency: 64 MHz, delivers up to 16 MIPS instruction throughput
• Integrated single-cycle 8×8 hardware multiplier for fast mathematical computation
• Fully static circuit design with multiple hierarchical low-power sleep modes
• Three factory-calibrated internal RC oscillators: 31 kHz, 500 kHz, 16 MHz to eliminate external crystal for cost-sensitive designs

Memory Resources

• Program Flash: 128 KB (64K × 16-bit words), supports in-circuit self-programming (ICSP)
• Data SRAM: 4 KB high-speed volatile data memory
• On-chip Data EEPROM: 1024 bytes for persistent calibration parameters & log storage
• Endurance rating: 10,000 Flash erase/write cycles; 100,000 EEPROM erase/write cycles
• Data retention: Over 20 years at 85°C operating temperature

2. Integrated Peripherals

Analog Modules

• 16-channel 12-bit SAR ADC with multi-sequence auto-conversion, synchronized with PWM triggers
• 3 independent high-speed analog comparators with interrupt wake capability
• CTMU (Charge Time Measurement Unit): Dedicated peripheral for mTouch capacitive touch buttons, sliders, wheels and precise temperature/time measurement
• On-chip bandgap voltage reference and internal die temperature sensor

Timing & PWM Control Peripherals

• Total 11 × 8/16-bit Timer/Counter modules for input capture, frequency measurement and pulse generation
• 10 combined CCP/ECCP modules (7 standard CCP + 3 enhanced ECCP) with complementary PWM, programmable dead-time control for BLDC/PMSM motor drives and LED dimming
• Hardware RTCC (Real-Time Clock/Calendar): Tracks second/minute/hour/weekday/date/month/year, auto leap-year compensation, dual programmable alarm interrupts, ultra-low current timekeeping under battery backup
• Independent watchdog timer (WDT), programmable POR power-on reset and multi-stage low-power brown-out detection (BOD)

Serial Communication Interfaces

• 2 × MSSP synchronous serial ports, configurable as SPI or I²C master/slave
• 2 × EUSART enhanced UART modules supporting hardware handshake, LIN bus and RS485 industrial communication
• Open-drain pin mode on serial peripherals enables direct connection to higher-voltage external logic without extra level-shift resistors

I/O & Power Features

• 53 multi-function general-purpose digital I/O pins with software-controllable internal pull-up resistors
• Wide single supply voltage range: 1.8 V ~ 5.5 V, compatible with lithium battery portable devices and standard 5V industrial control systems
• nanoWatt XLP low-power suite: Idle, Sleep, Deep Sleep, Backup modes; nA-range standby current for long battery life
• Ultra-low leakage input pins, fast wake-up from sleep triggered by pin change, UART bus or RTC alarm

3. Electrical & Environmental Ratings

• Kisaran suhu pengoperasian (Kelas Industri I): -40°C hingga +85°C
• Tingkat sensitivitas kelembapan (MSL) 3 (masa simpan di lantai selama 168 jam sebelum proses penyolderan reflow)
• Fully RoHS lead-free and halogen-free compliant, REACH SVHC compliant
• Typical backup RTCC current: < 1 µA at 3V VBAT supply

4. Package Information

• Package type: 64-pin TQFP surface mount, compact 10 mm × 10 mm footprint with 0.5 mm pin pitch
• Standard tray packaging (160 pcs per tray); tape-and-reel variant available for mass automated SMT assembly

Aplikasi Khas

• Industrial sensor data acquisition, multi-channel analog monitoring and distributed IO control modules
• Capacitive touch control panels for household appliances, medical devices and consumer equipment
• Battery-powered portable test & measurement instruments, wireless IoT sensor nodes
• Small DC motor, solenoid and low-current BLDC/PMSM closed-loop drive systems
• Automotive auxiliary control modules (lighting, window, HVAC, battery monitoring)
• Smart building access control, temperature/humidity environmental logging terminals
• LED decorative lighting, power supply digital regulation and battery charging management boards
• Embedded LCD display controllers and low-cost industrial prototype development platforms