ARM9 32-bit microprocessor featuring 128KB FLASH memory and 24KB RAM. Operates at up to 80MHz with an internal oscillator. Supports multiple interfaces including I2C (2 channels), SPI (3 channels), USB, CAN, UART (2 channels), USART, and LIN. Includes 8 ADC channels, 6 PWM channels, 6 timers/counters, and 60 I/O pins with 76 programmable I/O. Packaged in a 100-LQFP surface mount case, operating from 3.3V, and RoHS compliant.
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NXP LPC2921FBD100,551 technical specifications.
| Package/Case | LQFP |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Height | 1.45mm |
| Interface | I2C, SPI, USB, CAN, UART, USART, LIN |
| Lead Free | Lead Free |
| Length | 14.1mm |
| Max Frequency | 80MHz |
| Max Operating Temperature | 85°C |
| Max Power Dissipation | 1.5W |
| Memory Size | 128KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Mount | Surface Mount |
| Number of ADC Channels | 8 |
| Number of I/Os | 60 |
| Number of I2C Channels | 2 |
| Number of Programmable I/O | 76 |
| Number of PWM Channels | 6 |
| Number of SPI Channels | 3 |
| Number of Timers/Counters | 6 |
| Number of UART Channels | 2 |
| Operating Supply Voltage | 3.3V |
| Oscillator Type | Internal |
| Package Quantity | 90 |
| Packaging | Tray |
| Peripherals | POR, PWM, WDT, DMA, I2C |
| Radiation Hardening | No |
| RAM Size | 24KB |
| RoHS Compliant | Yes |
| Series | LPC2900 |
| Watchdog Timer | Yes |
| Width | 14.1mm |
| RoHS | Compliant |
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