PIC12F1822-E/MF Datasheet PDF - Microchip

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