LC866008C

Ordering number : ENN*5539 CMOS IC LC866020/16/12/08C 8-Bit Single Chip Microcontroller with On-Chip 20/16/12/08K-Byte ROM and 384-Byte RAM Preliminary Overview The LC866020C/16C/12C/08C 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 (microsecond) - On-chip ROM maximum capacity : 20K bytes - On-chip RAM capacity : 384 bytes - VFD automatic display controller/driver - 16-bit timer/counter (or two 8-bit timers) - 16- bit timer/PWM (or two 8-bit timers) - 4 channels 8-bit AD converter - Two 8-bit synchronous serial interface circuits - 14-source 10-level vectored interrupt system All of the above functions are fabricated on a single chip. Features (1) Read-Only Memory (ROM) : LC866020C LC866016C LC866012C LC866008C (2) Random Access Memory (RAM) : LC866020C/16C/12C/08C (3) Minimum bus cycle time : 0.5µs (using 12MHz CF resonator oscillation) Bus cycle time means ROM-read period. w w w .D t a S a e h 20480 × 8 bits 16384 × 8 bits 12288 × 8 bits 8192 × 8 bits t e U 4 .c m o 384 × 8 bits Ver.1.00 61896 91400 RM (IM) TW No.5539-1/19 www.DataSheet4U.com LC866020/16/12/08C (4) Minimum instruction cycle time : 1µs (using 12MHz CF resonator oscillation) ROM data is accessed twice in a instruction cycle time. The operation of the microcomputers herein is about 1.7 times that of LC66000 series, our products in the same specified cycle time. (5) Ports - Input...