The NXP LPC1317FBD64,551 is a 32-bit ARM Cortex-M3 microcontroller running at 72 MHz, with 64 KB of on-chip Flash program memory and 10 KB of SRAM. It also integrates 4 KB of EEPROM for parameter storage without external EEPROM. The 51 general-purpose I/O lines, combined with I²C, SPI, SSP, and UART/USART connectivity, make it a fit for industrial control panels, sensor hubs, and serial-bridge applications where the processor handles moderate data throughput and a handful of peripheral interfaces. The 72 MHz Cortex-M3 core delivers enough headroom for a single control loop with interrupt-driven UART and ADC sampling — think a motor drive controller reading an 8-channel 12-bit ADC at a few kHz while managing a Modbus RTU link. The 64 KB Flash is sized for firmware that fits in a single bank; if your application needs over-the-air updates or a second bootloader image, you will want to budget the memory map carefully.

NXP LPC1317FBD64,551 ARM Cortex-M3 MCU, 72 MHz, 64 KB Flash
MPNLPC1317FBD64,551
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NXP LPC13xx series 32-bit ARM Cortex-M3 MCU, LPC1317FBD64,551, 72 MHz core, 64 KB Flash, 10 KB SRAM, 4 KB EEPROM, 51 I/O, 64-LQFP (10x10 mm), -40°C to 85°C.
$8.1800Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | LPC13xx |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2V ~ 3.6V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 72MHz |
| 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, SPI, SSI, SSP, UART/USART |
| Number of i (O) | 51 |
| Core processor | ARM® Cortex®-M3 |
| Case | 64-LQFP |
| Data converters | A/D 8x12b |
| Program memory size | 64KB (64K x 8) |
Product details
Frequently asked questions
What is the flash memory size of LPC1317FBD64?
The LPC1317FBD64,551 has 64 KB of Flash program memory (64K x 8).
Does LPC1317FBD64 have USB?
No, the connectivity list includes I²C, Microwire, SPI, SSI, SSP, and UART/USART, but not USB.
Can LPC1317FBD64 replace LPC1317FBD48?
The LPC1317FBD48 is a 48-pin LQFP variant with fewer I/O; the core, Flash, SRAM, and EEPROM are the same, but the pinout and package differ — verify board compatibility before substituting.