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Overview

The LC66E5316 is an on-chip EPROM version of the LC6653XX Series CMOS 4-bit single-chip microcontrollers. The LC66E5316 provides the same functions as the LC665316A, and is pin compatible with that product. Since the LC66E5316 is provided in a window package, it can be reprogrammed repeatedly and is thus optimal for program development.

Features and Functions

? On-chip EPROM capacity of 16 kilobytes, and an onchip 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 4.5 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 output, and square wave output using an 8-bit timer.

— Time base function using a 12-bit prescaler.

? Powerful interrupt system with 8 interrupt factors and 8 interrupt vector locations.

— External interrupts: 3 factors/3 vector locations

— Internal interrupts: 5 factors/5 vector locations

? Flexible I/O functions

16-value comparator inputs, 20-mA drive outputs, inverter circuits, pull-up and open-drain circuits selectable as options.

? Optional runaway detection function (watchdog timer)

? 8-bit I/O functions

? Power saving functions using halt and hold modes.

? Packages: DIC52S (window), QFC48 (window)

? Evaluation LSIs: LC66599 (evaluation chip) + EVA800/850 - TB662YXX2