M5L8259AP

MITSUBISHI LSls M5L8259AP PROGRAMMABLE INTERRUPT CONTROLLER. DESCRIPTION The M5LB259AP is a proqrammable LSI for interrupt control. It is fabricated using N-channel silicon-gate ED-MaS technology and is designed to be used easily in connection with an BOB5A, BOB6 or BOB8. FEATURES Single 5V supply voltage TTL compatible CALL instruction to the CPU is generated automatically Priority, interrupt mask and vectored address for each in- terrupt request input are programmable Up to 64 levels of interrupt requests can be controlled by cascading with M5LB259AP Polling functions APPLICATION The M5L8259AP can be used as an interrupt controller for CPUs 8085A, 8086 and 8088 PIN CONFIGURATION (TOP VIEW) CHIP ST~~8t CS- 1 !CONTROL l¥.~;)f WR - 2 CONTROL I~~tl~ ~,D: Vc d5V) 27 - Ao ADDRESS INPUT _ _ INTERRUPT 26 -INTAACKNOWLEDG INPUT 06 ~ 0, ~ 1 ~IBIDIRECTIONAL DATA BUS 0, 03 ~ I 02 ~ INTERRUPT REQUEST INPUTS l ~Do 11 CASCADdCASo~ 12 LlNES\CAS,~ 13 18 -IRo 'NTE...