INTEGRATED CIRCUITS 89C535/89C536/89C538 CMOS sin.
NXP
89C535 - CMOS single-chip 8-bit microcontrollers with FLASH program memory
INTEGRATED CIRCUITS 89C535/89C536/89C538 CMOS single-chip 8-bit microcontrollers with FLASH program memory Preliminary specification IC20 Data Handbo.
