LC662104A

Ordering number : EN5996 CMOS IC LC662104A, 662106A, 662108A Four-Bit Single-Chip Microcontrollers with 4, 6, and 8 KB of On-Chip ROM Overview The LC662104A, LC662106A, and LC662108A are 4-bit CMOS microcontrollers that integrate on a single chip all the functions required in a special-purpose telephone controller, including ROM, RAM, I/O ports, a serial interface, a DTMF generator, timers, and interrupt functions. These microcontrollers are available in a 30-pin package. Features and Functions On-chip ROM capacities of 4, 6, and 8 kilobytes, and an on-chip RAM capacity of 384 × 4 bits. Fully supports the LC66000 Series common instruction set (128 instructions). (The special-purpose instructions for TM1 and SI/01 are disabled.) I/O ports: 24 pins DTMF generator This microcontroller incorporates a circuit that can generate two sine wave outputs, DTMF output. 8-bit serial interface: one circuit Instruction cycle time: 0.95 to 10 µs (at 3.0 to 5.5 V) Power...