DL9120 - 20-way LED meteor flashing light controller

The DL9120 series is a family of low-cost, high speed, high noise immunity, EPROM/ROM-based 8-bit CMOS microcontrollers.

RISC architecture with only 42 instructions.

All instructions are single cycle except for program branches which take two cycles.

• ‧ Only 42 single word instructions ‧ All instructions are single cycle except for program branches which are two-cycle ‧ 13-bit wide instructions ‧ All ROM/EPROM area GOTO instruction ‧ All ROM/EPROM area subroutine CALL instruction ‧ 8-bit wide data path ‧ 5-level deep hardware stack ‧ Operating speed: DC-20 MHz clock input DC-100 ns instruction cycle Direct, indirect addressing modes for data accessing ‧ 8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler ‧ Internal Power-.