PIC18LF24K Datasheet, PDF (2/594 Pages) –

Digital Peripherals (Continued)
• Programmable CRC with Memory Scan:
- Reliable data/program memory monitoring for
Fail-Safe operation (e.g., Class B)
- Calculate CRC over any portion of Flash or
EEPROM
- High-speed or background operation
• Hardware Limit Timer (TMR2/4/6+HLT):
- Hardware monitoring and Fault detection
• Peripheral Pin Select (PPS):
- Enables pin mapping of digital I/O
• Data Signal Modulator (DSM)
Analog Peripherals
• 10-Bit Analog-to-Digital Converter with Computa-
tion (ADC²):
- 35 external channels
- Conversion available during Sleep
- Four internal analog channels
- Internal and external trigger options
- Automated math functions on input signals:
- averaging, filter calculations, oversampling
and threshold comparison
• Hardware Capacitive Voltage Divider (CVD)
Support:
- 8-bit precharge timer
- Adjustable sample and hold capacitor array
- Guard ring digital output drive
• Zero-Cross Detect (ZCD):
- Detect when AC signal on pin crosses
ground
• 5-Bit Digital-to-Analog Converter (DAC):
- Output available externally
- Programmable 5-bit voltage (% of VDD)
- Internal connections to comparators, Fixed
Voltage Reference and ADC
• Two Comparators (CMP):
- Four external inputs
- External output via PPS
• Fixed Voltage Reference (FVR) module:
- 1.024V, 2.048V and 4.096V output levels
PIC18(L)F26/45/46K40
Clocking Structure
• High-Precision Internal Oscillator Block (HFINTOSC):
- Selectable frequency range up to 64 MHz
- ±1% at calibration
• 32 kHz Low-Power Internal Oscillator (LFINTOSC)
• External 32 kHz Crystal Oscillator (SOSC)
• External Oscillator Block:
- Three crystal/resonator modes
- 4x PLL with external sources
• Fail-Safe Clock Monitor:
- Allows for safe shutdown if peripheral clock
stops
• Oscillator Start-up Timer (OST)
Programming/Debug Features
• In-Circuit Debug Integrated On-Chip
• In-Circuit Serial Programming™ (ICSP™) via Two
Pins
• In-Circuit Debug (ICD) with Three Breakpoints via
Two Pins
 2016 Microchip Technology Inc.
Preliminary
DS40001816C-page 2