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| PartNumber | LPC1857JBD208E | LPC1857JBD208 | LPC1857JET256 |
| Description | ARM Microcontrollers - MCU 32-bit ARM Cortex-M3 Microcontroller Unit | | |
| Manufacturer | NXP | NXP Semiconductors | NXP Semiconductors |
| Product Category | ARM Microcontrollers - MCU | Embedded - Microcontrollers | Embedded - Microcontrollers |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-208 | - | - |
| 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 | 1MB (1M x 8) | 1MB (1M x 8) |
| Data RAM Size | 136 kB | 136 kB | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 142 I/O | - | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Packaging | Tray | Tray | Tray |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | FLASH | FLASH |
| Brand | 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 | 1 x 10 bit | - |
| I/O Voltage | 2.4 V to 3.6 V | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 8 Channel | 8 Channel | - |
| Number of Timers/Counters | 4 x 32 bit | - | - |
| Processor Series | LPC185x | LPC185x | - |
| Product Type | ARM Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 36 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 3.6 V | - | - |
| Supply Voltage Min | 2.4 V | - | - |
| Tradename | LPC | LPC | - |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| Part # Aliases | 935299801551 | - | - |
| Unit Weight | 0.090239 oz | 0.091254 oz | - |
| Series | - | LPC18xx | LPC18xx |
| Package Case | - | LQFP-208 | 256-LBGA |
| Operating Temperature | - | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supplier Device Package | - | 208-LQFP (28x28) | 256-LBGA (17x17) |
| Number of I O | - | 142 | 164 |
| Speed | - | 180MHz | 180MHz |
| EEPROM Size | - | 16K x 8 | 16K x 8 |
| Core Processor | - | ARMR CortexR-M3 | ARMR CortexR-M3 |
| RAM Size | - | 136K x 8 | 136K x 8 |
| Peripherals | - | Brown-out Detect/Reset, DMA, I2S, LCD, Motor Control PWM, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I2S, LCD, Motor Control PWM, POR, PWM, WDT |
| Connectivity | - | CAN, EBI/EMI, Ethernet, I2C, IrDA, Microwire, QEI, SD, SPI, SSI, SSP, UART/USART, USB, USB OTG | CAN, EBI/EMI, Ethernet, I2C, IrDA, Microwire, QEI, SD, SPI, SSI, SSP, UART/USART, USB, USB OTG |
| Voltage Supply Vcc Vdd | - | 2.2 V ~ 3.6 V | 2.2 V ~ 3.6 V |
| Core Size | - | 32-Bit | 32-Bit |
| Data Converters | - | A/D 8x10b; D/A 1x10b | A/D 8x10b; D/A 1x10b |
| Oscillator Type | - | Internal | Internal |
| Supply Voltage Max | - | 3.6 V | - |
| Supply Voltage Min | - | 2.4 V | - |
| Number of I Os | - | 142 I/O | - |
| I O Voltage | - | 2.4 V to 3.6 V | - |
| Number of Timers Counters | - | 4 x 32 bit | - |
