8-bit RISC microcontroller featuring 16KB FLASH memory and 768B RAM. Operates at a maximum frequency of 40MHz with an 8-bit address and data bus. Offers multiple interfaces including I2C, SPI, and UART, along with 34 programmable I/O pins. Includes 8 ADC channels, 2 PWM channels, and 4 timers/counters. Packaged in a 44-pin PLCC with an operating temperature range of -40°C to 85°C.
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Microchip PIC18F442-I/L technical specifications.
| Access Time | 40us |
| Address Bus Width | 8b |
| Package/Case | PLCC |
| Core Architecture | PIC |
| Data Bus Width | 8b |
| Frequency | 40MHz |
| Height | 3.68mm |
| Interface | I2C, SPI, USART, UART |
| Lead Free | Lead Free |
| Length | 16.66mm |
| Max Frequency | 40MHz |
| Max Operating Temperature | 85°C |
| Max Power Dissipation | 1W |
| Max Supply Voltage | 5.5V |
| Memory Size | 16KB |
| Memory Type | FLASH |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 4.2V |
| Number of ADC Channels | 8 |
| Number of Bits | 8 |
| Number of I/Os | 34 |
| Number of I2C Channels | 1 |
| Number of Programmable I/O | 34 |
| Number of PWM Channels | 2 |
| Number of SPI Channels | 1 |
| Number of Timers/Counters | 4 |
| Oscillator Type | External |
| Package Quantity | 27 |
| Packaging | Rail/Tube |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, LVD, I2C |
| Radiation Hardening | No |
| RAM Size | 768B |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Supply Current | 1.6mA |
| Watchdog Timer | Yes |
| Width | 16.66mm |
| RoHS | Compliant |
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