DESCRIPTION
The Philips 83C752/87C752 offers many of the advantages of the 80C51 architecture in a small package and at low cost. The 8XC752 Microcontroller is fabricated with Philips high-density CMOS technology. Philips epitaxial substrate minimizes CMOS latch-up sensitivity. The 8XC752 contains a 2k × 8 ROM (83C752) EPROM (87C752), a 64 × 8 RAM, 21 I/O lines, a 16-bit auto-reload counter/timer, a fixed-priority level interrupt structure, a bidirectional inter-integrated circuit (I2C) serial bus interface, an on-chip oscillator, a five channel multiplexed 8-bit A/D converter, and an 8-bit PWM output. The onboard inter-integrated circuit (I2C) bus interface allows the 8XC752 to operate as a master or slave device on the I2C small area network. This capability facilitates I/O and RAM expansion, access to EEPROM, processor-to-processor communication, and efficient interface to a wide variety of dedicated I2C peripherals. The EPROM version of this device, the 87C752, is available in both quartz-lid erasable and plastic one-time programmable (OTP) packages.