DEVICE OVERVIEW
The PIC16F753/HV753 devices are covered by this data sheet. They are available in 14-pin PDIP, SOIC, TSSOP and 16-pin QFN packages. Block Diagrams and pinout descriptions of the devices are shown in Figure 1-1and Table 1- 1.

High-Performance RISC CPU:
• Only 35 Instructions to Learn:
  - All single-cycle instructions except branches
• Operating Speed:
  - DC – 20 MHz clock input
  - DC – 200 ns instruction cycle
• 2048 x 14 On-chip Flash Program Memory
• Self Read/Write Program Memory
• 128 x 8 General Purpose Registers (SRAM)
• Interrupt Capability
• 8-Level Deep Hardware Stack
• Direct, Indirect and Relative Addressing modes

Microcontroller Features:
• Precision Internal Oscillator:
  - Factory calibrated to ±1%, typical
  - Software selectable frequency: 8 MHz, 4 MHz, 1 MHz or 31 kHz
  - Software tunable
• Power-Saving Sleep mode
• Voltage Range (PIC16F753):
  - 2.0V to 5.5V
• Shunt Voltage Regulator (PIC16HV753):
  - 2.0V to user defined
  - 5-volt regulation
  - 1 mA to 50 mA shunt range
• Multiplexed Master Clear with Pull-up/Input Pin
• Interrupt-on-Change Pins
• Individually Programmable Weak Pull-ups
• Power-on Reset (POR)
• Power-up Timer (PWRT)
• Brown-out Reset (BOR)
• Watchdog Timer (WDT) with Internal Oscillator for Reliable Operation
• Industrial and Extended Temperature Range
• High Endurance Flash:
- 100,000 write Flash endurance
- Flash retention: >40 years
• Programmable Code Protection
• In-Circuit Debug (ICD) via Two Pins
• In-Circuit Serial Programming™ (ICSP™) via Two Pins

Low-Power Features:
• Standby Current:
  - 50 nA @ 2.0V, typical
• Operating Current:
  - 11 uA @ 32 kHz, 2.0V, typical
  - 260 uA @ 4 MHz, 2.0V, typical
• Watchdog Timer Current:
• <1 uA @ 2.0V, typical

Peripheral Features:
• 11 I/O Pins and one Input-only Pin
• High Current Source/Sink:
  - 50 mA I/O, (two pins)
  - 25 mA I/O, (nine pins)
• Two High-Speed Analog Comparator modules:
  - 50 ns response time
  - Fixed Voltage Reference (FVR)
  - Programmable on-chip voltage reference via integrated 9-bit DAC
  - Internal/external inputs and outputs (selectable)
  - Built-in Hysteresis (software selectable)
• A/D Converter:
  - 10-bit resolution
  - Eight external channels
  - Two internal reference voltage channels
• Operational Amplifier:
  - Three terminal operations
  - Internal connections to DAC and FVR
• Digital-to-Analog Converter (DAC):
  - 9-bit resolution
  - Full Range output
  - 4 mV steps @ 2.0V (Limited Range)
• Fixed Voltage Reference (FVR), 1.2V Reference
• Capture, Compare, PWM (CCP) module:
  - 16-bit Capture, max. resolution = 12.5 ns
  - 16-bit Compare, max. resolution = 200 ns
  - 10-bit PWM, max. frequency = 20 kHz
• Timer0: 8-Bit Timer/Counter with 8-Bit Prescaler
• Enhanced Timer1:
  - 16-bit Timer/Counter with Prescaler
  - External Timer1 Gate (count enable)
  - Four Selectable Clock sources
• Timer2: 8-Bit Timer/Counter with Prescaler
  - 8-Bit Period Register and Postscaler
• Two Hardware Limit Timers (HLT):
  - 8-bit Timer with Prescaler
  - 8-bit period register and postscaler
  - Asynchronous H/W Reset sources
• Complementary Output Generator (COG):
  - Complementary Waveforms from selectable sources
  - Two I/O (50 mA) for direct MOSFET drive
  - Rising and/or Falling edge dead-band control
  - Phase control, Blanking control
  - Auto-shutdown
  - Slope Compensation Circuit for use with SMPS power supplies