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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):

-75?A @ 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