NXP LPC11U34FBD48/421, ARM Cortex-M0 MCU 50MHz 48KB Flash 48-LQFP
MPNLPC11U34FBD48/421,
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NXP LPC11U34FBD48/421, ARM Cortex-M0 32-bit MCU, 50MHz, 48KB FLASH, 10KB RAM, 4KB EEPROM, USB full-speed device, 40 I/O, 1.8–3.6 V supply, -40°C to 85°C operating temperature, 48-LQFP (7×7 mm) surface-mount package.
$6.7500Ref. price · indicative, final on quote
Packaging48-LQFP
StockContact for availability
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Specifications
| Parameter | Value |
|---|---|
| Series | LPC11Uxx |
| Mounting type | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 3.6V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 50MHz |
| Package | Tray |
| RAM size | 10K x 8 |
| Core size | 32-Bit Single-Core |
| EEPROM size | 4K x 8 |
| Peripherals | Brown-out Detect/Reset, POR, WDT |
| Connectivity | I²C, Microwire, SmartCard, SPI, SSP, UART/USART, USB |
| Number of i (O) | 40 |
| Core processor | ARM® Cortex®-M0 |
| Case | 48-LQFP |
| Data converters | A/D 8x10b |
| Program memory size | 48KB (48K x 8) |
Frequently asked questions
Does the internal oscillator handle 115200 baud reliably?
The internal RC oscillator is listed, but 115200 baud requires ±1.5% typical baud accuracy — the IRC trim and temperature drift need verifying against the datasheet before routing the UART without an external crystal, particularly on Profinet-class links.
Is the 48-LQFP pinout compatible with other 48-LQFP NXP LPC parts?
The 48-LQFP mechanical footprint is standard, but USB D+/D-, ADC channel assignment, and VREF pin functions vary by variant suffix. Confirm pin-1 orientation and pin-mux assignment against the /421 variant datasheet, not just the package outline.