LC868116A

Ordering number : ENN*6724 CMOS IC LC868116/12/08A 8-Bit Single Chip Microcontroller with 16/12/08K-Byte ROM and 640-Byte RAM On Chip Preliminary Overview The LC868116A/12A/08A microcontrollers are 8-bit single chip microcontrollers with the following on-chip functional blocks : - CPU : Operable at a minimum bus cycle time of 0.5µs (microseconds) - On-chip ROM maximum capacity : 16K bytes - On-chip RAM capacity : 640 bytes - Dot-matrix liquid crystal display (LCD) automatic display controller / driver - External memory - 16-bit timer / counter (or two 8-bit timers) - 16-bit timer / PWM (or two 8-bit timers) - Two 8-bit synchronous serial-interface circuits - 13-source 9-level vectored interrupt system All of the above functions are fabricated on a single chip Ver.1.1 21998 91400 RM (IM) HO No.6724-1/28 LC868116/12/08A Features (1) Read Only Memory (ROM) : LC868116A : LC868112A : LC868108A 16384 × 8 bits 12288 × 8 bits 8192 × 8 bits (2) Random Access Memory (RAM) : 512 × 8 bits (calculation area) 128 × 8 bits (display area) (3) Bus Cycle Time / Instruction Cycle Time Bus cycle Instruction System clock time cycle time oscillation Ceramic (CF) 0.5µs 1µs 1µs 2µs 2µs 4µs Oscillation frequency 12MHz 6MHz 6MHz 3MHz 3MHz 1.5MHz 800kHz 32.768kHz Voltage 4.5-6.0V Note OCR7=0 OCR7=1 OCR7=0 OCR7=1 OCR7=0 OCR7=1 OCR7=0 OCR7=1 OCR7=0 OCR7=1 excluding external memory access function for external memory access Ceramic (CF) Ceramic (CF) 4.5-6.0V 2.5-6.0V 2.5-6.0V 2.5-6.0V Inter...