LC665304A

CMOS LSI No. 5485 LC665304A, 665306A, 665308A, 665312A, 665316A Four-Bit Single-Chip Microcontrollers with 4, 6, 8, 12, and 16 KB of On-Chip ROM Preliminary Overview The LC665304A, LC665306A, LC665308A, LC665312A, and LC665316A are 4-bit CMOS microcontrollers that integrate on a single chip all the functions required in a system controller, including ROM, RAM, I/O ports, a serial interface, 16-value comparator inputs, timers, interrupt functions, and an optional sub-oscillator circuit. These microcontrollers are available in a 48-pin package. Evaluation LSIs: LC66599 (evaluation chip) + EVA800/850-TB662YXX2 LC66E5316(on-chip EPROM microcontroller) Package Dimensions unit: mm 3149-DIP48S [LC665304A/665306A/665308A/665312A/665316A] 0.25 48 25 15.24 13.8 46.0 0.51min 0.48 1.05 1.78 2.53 Features and Functions On-chip ROM capacitiy of 4, 6, 8, 12, and 16 kilobytes, and an on-chip RAM capacity of 512 × 4 bits. Fully supports the LC66000 Series common instruction set (128 instructions). I/O ports: 42 pins A sub-oscillator circuit can be used (option) This circuit allows power dissipation to be reduced by operating at lower speeds. 8-bit serial interface: two circuits (can be connected in cascade to form a 16-bit interface) Instruction cycle time: 0.95 to 10 µs (at 3 to 5.5 V) Powerful timer functions and prescalers — Time limit timer, event counter, pulse width measurement, and square wave output using a 12-bit timer. — Time limit timer, event counter, PWM outpu...