Datasheet Archive: P87LPC764BDH,518 datasheet by NXP Semiconductors

P87LPC764BDH,518 datasheet by NXP Semiconductors

Description Low power, low price, low pin count (20 pin) microcontroller with 4 kbyte OTP - ADCs: - ; Clock type: 6-clk (12-clk opt.) ; External interrupt: 3 ; Function: 8-bit 80C51 uController ; I/O pins: 18 ; Memory size: 4K kBits; Memory type: OTP ; Number of pins: 20 ; Operating frequency: 0~20@6-clk0~20@12-clk MHz; Operating temperature: 0~70 Cel; Power supply: 2.7~6.0 ; Program security: yes ; PWMs: - ; RAM: 128 bytes; Reset active: Low ; Serial interface: UARTI2C ; Series: 51LPC family (80C51) ; Special features: 2 Anal. Comp., BOD, POR, 8 KBIs, Int. RC 6MHz ; System frequency: 0~10@3V0~20@5V MHz; Timers: 2 x 16-bit ; Watchdog timer: yes; Package: SOT360-1 (TSSOP20); Container: Reel Dry Pack, SMD, 13"
Datasheet Type Original
RoHS Yes
Lifecycle Obsolete
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P87LPC764BDH,518 datasheet preview

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The maximum clock frequency for the P87LPC764BDH,518 is 12 MHz, but it can be overclocked up to 15 MHz with some limitations.
The oscillator can be configured using the OSCCFG register. Set the OSCCFG bits to select the oscillator mode (e.g., internal RC oscillator, external crystal oscillator, or external clock source).
The power consumption of the P87LPC764BDH,518 depends on the operating frequency, voltage, and mode. Typically, it consumes around 2.5 mA at 3.3V and 12 MHz, but can be as low as 10 μA in sleep mode.
The UART on the P87LPC764BDH,518 is a standard 16450-compatible UART. Configure the UART registers (e.g., U0DLL, U0DLM, U0FDR) to set the baud rate, data bits, parity, and stop bits. Use the UART interrupts to handle transmission and reception.
No, the P87LPC764BDH,518 is a 3.3V device and should not be used with a 5V power supply. Using a 5V power supply can damage the device.