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| PartNumber | LPC2146FBD64,557 | LPC2146FBD64,151 | LPC2146FBD64 |
| Description | ARM Microcontrollers - MCU 256K FL/32K RAM 10BIT ADC/DAC | ARM Microcontrollers - MCU ARM7 256KF/40KR/USB | ARM7 microcontroller, Flash:256kx8bit, SRAM:40000B, 60MHz |
| Manufacturer | NXP | NXP | NXP |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | LQFP-64 | LQFP-64 | - |
| Core | ARM7TDMI-S | ARM7TDMI-S | - |
| Data Bus Width | 32 bit/16 bit | 32 bit/16 bit | - |
| Maximum Clock Frequency | 60 MHz | 25 MHz | - |
| Program Memory Size | 256 kB | 256 kB | - |
| Data RAM Size | 42 kB | 32 kB | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 45 I/O | 45 I/O | - |
| Operating Supply Voltage | 3.3 V | 3.3 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tray | - |
| Product | USB MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Brand | NXP Semiconductors | NXP Semiconductors | - |
| Data RAM Type | SRAM | - | - |
| Interface Type | I2C, SPI, SSP, UART, USB, VIC | I2C, SCI, SPI, SSP, UART, USB | - |
| Analog Supply Voltage | 3.3 V | - | - |
| DAC Resolution | 10 bit | - | - |
| I/O Voltage | 3.3 V | - | - |
| Number of ADC Channels | 14 Channel | 14 | - |
| Number of Timers/Counters | 2 x 32 bit | 2 Timer | - |
| Processor Series | LPC2146 | LPC21 | - |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | - |
| Factory Pack Quantity | 800 | 160 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 3.6 V | 3.6 V | - |
| Supply Voltage Min | 3 V | 3 V | - |
| Tradename | LPC | LPC | - |
| Watchdog Timers | Watchdog Timer | - | - |
| Part # Aliases | 935280019557 | 935280019151 | - |
| Unit Weight | 0.012927 oz | 0.012927 oz | - |
| Series | - | LPC2000 | - |
| Height | - | 1.4 mm | - |
| Length | - | 10 mm | - |
| Width | - | 10 mm | - |