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| PartNumber | LPC1837FET256,551 | LPC1837JBD144E | LPC1837FET256 |
| Description | ARM Microcontrollers - MCU 32BIT ARM CORTEX-M3 MCU 136KB SRAM | ARM Microcontrollers - MCU High Performance 32-bit Microcontroller based on ARM Cortex-M3 | |
| Manufacturer | NXP | NXP | - |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LBGA-256 | LQFP-144 | - |
| Core | ARM Cortex M3 | ARM Cortex M3 | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 180 MHz | 180 MHz | - |
| Program Memory Size | 1 MB | 1 MB | - |
| Data RAM Size | 136 kB | 136 kB | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 164 I/O | 83 I/O | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 105 C | - |
| Packaging | Tray | Tray | - |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Brand | NXP Semiconductors | NXP Semiconductors | - |
| Data RAM Type | SRAM | SRAM | - |
| Data ROM Size | 16 kB | 16 kB | - |
| Data ROM Type | EEPROM | EEPROM | - |
| Interface Type | CAN, Ethernet, I2C, SPI, USB | CAN, Ethernet, I2C, SPI, USB | - |
| Analog Supply Voltage | 3.3 V | 3.3 V | - |
| DAC Resolution | 10 bit | 10 bit | - |
| I/O Voltage | 2.4 V to 3.6 V | 2.4 V to 3.6 V | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 8 Channel | 8 Channel | - |
| Number of Timers/Counters | 4 x 32 bit | 4 x 32 bit | - |
| Processor Series | LPC183x | LPC183x | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 90 | 60 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Voltage Min | 2.4 V | 2.4 V | - |
| Tradename | LPC | LPC | - |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| Part # Aliases | 935293795551 | 935299793551 | - |
| Unit Weight | 0.026224 oz | 0.047179 oz | - |