NXP LPC2100 series ARM7 MCU, LPC2101FBD48,151, 70 MHz 16/32-bit core, 8 KB Flash, 2K x 8 RAM, 32 I/O, 8x10-bit ADC, I²C/SPI/UART, 1.65V–3.6V, -40°C to 85°C, 48-LQFP.
| Parameter | Value |
|---|---|
| Series | LPC2100 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.65V ~ 3.6V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 70MHz |
| Package | Tray |
| RAM size | 2K x 8 |
| Core size | 16/32-Bit |
| Peripherals | POR, PWM, WDT |
| Connectivity | I²C, Microwire, SPI, SSI, SSP, UART/USART |
| Number of i (O) | 32 |
| Core processor | ARM7® |
| Case | 48-LQFP |
| Data converters | A/D 8x10b |
| Program memory size | 8KB (8K x 8) |
8 KB Flash and 2K x 8 RAM are tight. Firmware must be lean — think a few hundred lines of C, a state machine, and a UART command parser. The 32 I/O lines, 8-channel 10-bit ADC, and I²C/SPI/UART connectivity cover basic sensor readout and actuator drive.
The LPC2101FBD48 is NRND (Not Recommended for New Designs), which is a pre-obsolete status. It is not yet discontinued, but NXP has signaled that it will eventually reach end-of-life. Existing production can still source it through independent channels.
No official successor or pin-compatible replacement is listed in the available records. For a drop-in hardware swap, the LPC2102FBD48 (same package, more Flash) is a common cross-shop candidate — verify firmware and peripheral differences before committing the BOM.
The operating temperature range is -40°C to 85°C (industrial grade).
The supply voltage range is 1.65 V to 3.6 V.
It comes in a 48-LQFP package (7x7 mm body).