Overview
The PIC12F1822-I/SN is an 8-pin Flash microcontroller from Microchip Technology, part of their PIC12F series. This device is designed with enhanced mid-range core architecture and features Microchip's eXtreme Low Power (XLP) technology. It is suitable for a variety of applications requiring low power consumption and compact design.
Key Specifications
| Parameter | Value |
|---|---|
| Program Memory | 2048 words (3.5 KB Flash) |
| Data EEPROM | 256 bytes |
| SRAM | 128 bytes |
| I/O Pins | 6 |
| 10-bit A/D Converter Channels | 4 |
| Timers | 2 (8/16-bit) |
| EUSART | Yes |
| MSSP | Yes |
| ECCP | Yes |
| Cap Touch Channels | 4 |
| Internal Oscillator Frequency Range | 32 MHz to 31 kHz |
| Operating Voltage Range | 1.8V to 5.5V |
| Standby Current | 100 nA @ 1.8V (typical) |
| Operating Current | 150 μA @ 1 MHz, 1.8V (typical) |
Key Features
- Precision Internal Oscillator: Factory calibrated to ±1%, typical, with software selectable frequency range from 32 MHz to 31 kHz.
- Power-on Reset (POR), Power-up Timer (PWRT), Oscillator Start-up Timer (OST), and Brown-out Reset (BOR) with selectable trip point.
- Extended Watch-Dog Timer (WDT) and In-Circuit Serial Programming™ (ICSP™) via two pins.
- In-Circuit Debug (ICD) via two pins and Enhanced Low-Voltage Programming (LVP).
- Low-Power Features: Standby current of 100 nA @ 1.8V, operating current of 150 μA @ 1 MHz, 1.8V, and watchdog timer current of 800 nA @ 1.8V.
- Programmable Code Protection and self-programmable under software control.
Applications
The PIC12F1822-I/SN is versatile and can be used in various applications, including:
- Low-power consumer electronics.
- Industrial control systems.
- Automotive systems requiring compact and low-power microcontrollers.
- Medical devices where power efficiency is crucial.
- IoT devices and sensor networks.
Q & A
- What is the program memory size of the PIC12F1822-I/SN? The program memory size is 2048 words (3.5 KB Flash).
- How many I/O pins does the PIC12F1822-I/SN have? It has 6 I/O pins.
- What is the operating voltage range of the PIC12F1822-I/SN? The operating voltage range is from 1.8V to 5.5V.
- Does the PIC12F1822-I/SN support In-Circuit Serial Programming (ICSP)? Yes, it supports ICSP via two pins.
- What is the typical standby current of the PIC12F1822-I/SN at 1.8V? The typical standby current is 100 nA.
- How many channels does the 10-bit A/D converter have? The 10-bit A/D converter has 4 channels.
- Is the PIC12F1822-I/SN suitable for low-power applications? Yes, it is designed with eXtreme Low Power (XLP) technology, making it suitable for low-power applications.
- What is the frequency range of the internal oscillator? The internal oscillator frequency range is from 32 MHz to 31 kHz.
- Does the PIC12F1822-I/SN have a watchdog timer? Yes, it has an Extended Watch-Dog Timer (WDT).
- Can the PIC12F1822-I/SN be programmed under software control? Yes, it is self-programmable under software control.
