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General description

The P89LPC932A1 is a single-chip microcontroller, available in low cost packages, based on a high performance processor architecture that executes instructions in two to four clocks, six times the rate of standard 80C51 devices. Many system-level functions have been incorporated into the P89LPC932A1 in order to reduce component count, board space, and system cost.

Features

Principal features

■ 8 kB byte-erasable flash code memory organized into 1 kB sectors and 64-byte pages. Single-byte erasing allows any byte(s) to be used as non-volatile data storage.

■ 256-byte RAM data memory, 512-byte auxiliary on-chip RAM.

■ 512-byte customer data EEPROM on chip allows serialization of devices, storage of set-up parameters, etc.

■ Two analog comparators with selectable inputs and reference source.

■ Two 16-bit counter/timers (each may be configured to toggle a port output upon timer overflow or to become a PWM output) and a 23-bit system timer that can also be used as a RTC.

■ Enhanced UART with fractional baud rate generator, break detect, framing error detection, and automatic address detection; 400 kHz byte-wide I2C-bus communication port and SPI communication port.

■ CCU provides PWM, input capture, and output compare functions.

■ High-accuracy internal RC oscillator option allows operation without external oscillator components. The RC oscillator option is selectable and fine tunable.

■ 2.4 V to 3.6 V VDD operating range. I/O pins are 5 V tolerant (may be pulled up or driven to 5.5 V).

■ 28-pin TSSOP, PLCC, HVQFN, and DIP packages with 23 I/O pins minimum and up to 26 I/O pins while using on-chip oscillator and reset options.