8-bit microcontroller featuring a 40MHz core frequency and 4KB FLASH memory. This PIC microcontroller offers 36 programmable I/O pins, supporting I2C, SPI, UART, USART, and USB interfaces. It includes 13 A/D converter channels, 5 PWM channels, and 4 timers/counters, with integrated peripherals like Brown-out Detect, POR, WDT, HLVD, and I2C. Packaged in a 44-pin TQFP (10x10mm, 1mm height) for surface mount applications, it operates from 4.2V to 5.5V and is RoHS compliant.
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Microchip PIC18F4221-I/PT technical specifications.
| Access Time | 40us |
| Package/Case | TQFP |
| Core Architecture | PIC |
| Data Bus Width | 8b |
| Density | 4KB |
| Frequency | 40MHz |
| Height | 0.041inch |
| Interface | I2C, SPI, UART, USART |
| Lead Free | Lead Free |
| Length | 0.393inch |
| Max Frequency | 40MHz |
| Max Operating Temperature | 85°C |
| Max Power Dissipation | 1W |
| Max Supply Voltage | 5.5V |
| Memory Size | 4KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 4.2V |
| Mount | Surface Mount, Through Hole |
| Number of A/D Converters | 1 |
| Number of ADC Channels | 13 |
| Number of Bits | 8 |
| Number of I/Os | 36 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 36 |
| Number of PWM Channels | 5 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 4 |
| Number of UART Channels | 1 |
| Number of USB Channels | 1 |
| Oscillator Type | Internal |
| Package Quantity | 160 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, HLVD, I2C |
| Radiation Hardening | No |
| RAM Size | 512B |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | PIC® 18F |
| Termination | SMD/SMT |
| Watchdog Timer | Yes |
| Width | 0.394inch |
| RoHS | Compliant |
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