●DEVICE OVERVIEW
●The PIC12F/LF1822/16F/LF1823 are described within this data sheet. They are available in 8/14 pin packages.
●Figure 1-1 shows a block diagram of the PIC12F/LF1822/16F/LF1823 devices. Tables 1-2 and 1-3 show the pinout descriptions.
●High-Performance RISC CPU:
●• Only 49 Instructions to Learn:
●\- All single-cycle instructions except branches
●• Operating Speed:
●\- DC – 32 MHz oscillator/clock input
●\- DC – 125 ns instruction cycle
●• Interrupt Capability with Automatic Context Saving
●• 16-Level Deep Hardware Stack with Optional Overflow/Underflow Reset
●• Direct, Indirect and Relative Addressing modes:
●\- Two full 16-bit File Select Registers (FSRs)
●\- FSRs can read program and data memory
●Flexible Oscillator Structure:
●• Precision 32 MHz internal Oscillator Block:
●\- Factory calibrated to ± 1%, typical
●\- Software selectable frequencies range of 31 kHz to 32 MHz
●• 31 kHz Low-Power Internal Oscillator
●• Four crystal modes up to 32 MHz
●• Three external clock modes up to 32 MHz
●• 4X Phase Lock Loop (PLL)
●• Fail-Safe Clock Monitor:
●\- Allows for safe shutdown if peripheral clock stops
●• Two-Speed Oscillator Start-up
●• Reference Clock Module:
●\- Programmable clock output frequency and duty-cycle
●Special Microcontroller Features:
●• Full 5.5V operation – PIC12F1822/16F1823
●• 1.8V-3.6V operation – PIC12LF1822/16LF1823
●• Self-reprogrammable under software control
●• Power-on Reset (POR), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
●• Programmable Brown-out Reset (BOR)
●• Extended Watchdog Timer (WDT)
●• In-Circuit Serial Programming™ (ICSP™) via two pins
●• In-Circuit Debug (ICD) via two pins
●• Enhanced Low-Voltage Programming (LVP)
●• Operating Voltage Range:
●\- 1.8V-5.5V (PIC12F1822/16F1823)
●\- 1.8V-3.6V (PIC12LF1822/16LF1823)
●• Programmable Code Protection
●• Self-Programmable under Software Control
●Low-Power Features:
●• Standby Current (PIC12LF1822/16LF1823):
●\- 30 nA @ 1.8V, typical
●• Operating Current (PIC12LF1822/16LF1823):
●-75A @ 1 MHz, 1.8V, typical
●• Low-Power Watchdog Timer Current (PIC12LF1822/16LF1823):
●\- 500 nA @ 1.8V, typical
●Analog Features:
●• Analog-to-Digital Converter (ADC) module:
●\- 10-bit resolution, up to 8 channels
●\- Conversion available during Sleep
●• Analog Comparator module:
●\- Up to two rail-to-rail analog comparators
●\- Power mode control
●\- Software controllable hysteresis
●• Voltage Reference module:
●\- Fixed Voltage Reference (FVR) with 1.024V, 2.048V and 4.096V output levels
●\- 5-bit rail-to-rail resistive DAC with positive and negative reference selection
●Peripheral Highlights:
●• Up to 11 I/O pins and 1 input only pin:
●\- High current sink/source 25 mA/25 mA
●\- Programmable weak pull-ups
●\- Programmable interrupt-on-change pins
●• Timer0: 8-Bit Timer/Counter with 8-Bit Prescaler
●• Enhanced Timer1:
●\- 16-bit timer/counter with prescaler
●\- External Gate Input mode
●\- Dedicated, low-power 32 kHz oscillator driver
●• Timer2: 8-Bit Timer/Counter with 8-Bit Period Register, Prescaler and Postscaler
●• Enhanced CCP (ECCP) modules:
●\- Software selectable time bases
●\- Auto-shutdown and auto-restart
●\- PWM steering
●• Master Synchronous Serial Port (MSSP) with SPI and I2C with:
●\- 7-bit address masking
●\- SMBus/PMBus compatibility
●• Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) module:
●\- RS-232, RS-485 and LIN compatible
●\- Auto-Baud Detect
●• mTouch™ Sensing oscillator module:
●\- Up to 8 input channels
●Peripheral Features (Continued):
●• Data Signal Modulator module
●\- Selectable modulator and carrier sources
●• SR Latch:
●\- Multiple Set/Reset input options
●\- Emulates 555 Timer applications
