• PIC18 Core with 83 Instructions, 31 Stack Levels
• Internal 64MHz oscillator
• Operating Voltage Range:- ‘F’ Version (2.3V – 5.5V)- Low Power ‘LF’ variant (1.8V – 3.6V)
• Temperature Range:- Industrial Version (-40C to 85C)- Extended Version (-40C to 125C)
• 64 KB Flash Program Memory with self read/write capability
• 3562 Bytes Data SRAM Memory
• 1024 Bytes of EEPROM
• 47 x 10-bit ADC channels
• 1 x 5-bit DAC
• 3 x Comparators
• Fixed Voltage Reference (FVR) module - 1.024V, 2.048V and 4.096V output levels
• Hardware Capacitive Voltage Divider (CVD) for mTouch buttons/sliders
• 1 x Zero-Cross Detect
• 2 x I2C/SPI
• 5 x EUSART with LIN support
• CRC with Memory Scan
• Windowed Watchdog Timer (WWDT)
• 1 x Hardware Limit Timer (HLT)
• 1 x Complementary Waveform Generator
• 2 x standalone 10-bit PWM modules
• 5 x Capture/Compare/PWM modules
• Five 8-bit Timers/Counters
• Four 16-bit Timers/Counters
• 1 x Hardware Limit Timer (HLT)
• Extended Watchdog Timer (WDT)
• 2 x Signal Measurement Timer (SMT)
• eXtreme Low Power (XLP) technology
• Doze, Idle, and Sleep Power Saving Operating Modes
• Sleep mode: 50nA @ 1.8V, typical
• Active mode: 32uA/MHz @ 1.8V, typical
• Low Current Power-on Reset (POR)
• Brown-out Reset (BOR)
• Low-Power BOR (LPBOR)
• Peripheral Pin Select
• In-Circuit Debug Integrated On-Chip
• In-Circuit Serial Programing (ICSP) via Two Pins

PIC18(L)F66K40 microcontrollers combine large Flash/EE/RAM memory, rich peripheral integration, XLP and 5V support to suit a variety of general purpose applications. These 64-pin devices deliver Core Independent Peripherals such as CWG, WWDT, CRC/Memory Scan, Hardware CVD, Zero-Cross Detect and Peripheral Pin Select, providing for increased design flexibility and lower system cost.