Description
FM8P54/56
The FM8P54/56 series is a family of low-cost, high speed, high noise immunity, EPROM/ROM-based 8-bit CMOS microcontrollers.It employs a RISC architecture with only 42 instructions.All instructions are single cycle except for program branches which take two cycles.The easy to use and easy to remember instruction set reduces development time significantly.The FM8P54/56 series consists of Power-on Reset (POR), Brown-out Reset (BOR), Power-up Reset Timer (PWRT), Oscillator Start-up T
Features
- ‧ Only 42 single word instructions ‧ All instructions are single cycle except for program branches which are two-cycle ‧ 13-bit wide instructions www. DataSheet4U. com ‧ 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 Device FM8P54/54E FM8P56/56E Pins # 18 18 I/O # 12 12 EPROM/ROM (Byte) 512 1K RAM (Byte) 49 49
‧ Direct, indirect addressing.