Single-chip microcontroller family integrates a 16-bit/32-bit ARM7TDMI-S CPU with on-chip flash and SRAM. Variants provide 32 KB to 512 KB of flash memory and 8 KB to 40 KB of SRAM, with operation up to 60 MHz. Peripheral sets include USB 2.0 full-speed device support on higher-memory variants, 10-bit ADC capability, a 10-bit DAC, UART, I2C, SPI, SSP, timers, PWM, watchdog and RTC functions. Devices are supplied in 64-pin LQFP or HVQFN packages with 3.3 V operation and 5 V tolerant I/O pads.
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| CPU core | ARM7TDMI-S |
| CPU architecture | 16/32bit |
| Maximum CPU frequency | 60MHz |
| Flash memory range | 32 to 512KB |
| SRAM range | 8 to 40KB |
| USB interface | USB 2.0 full-speed device, LPC2146/LPC2148 variants |
| USB endpoint RAM | 2KB |
| ADC resolution | 10bit |
| ADC channels | Up to 14 |
| DAC resolution | 10bit |
| UART interfaces | 2 |
| I2C interfaces | 2 |
| SPI interfaces | 1 SPI and 1 SSP |
| Timers | Two 32-bit timers/external event counters |
| PWM outputs | 6 |
| GPIO | Up to 45 5 V tolerant pins |
| Operating supply voltage | 3.0 to 3.6V |
| Package options | 64-pin LQFP, 64-pin HVQFN |
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