PCA84C222 Overview
Important note MEMORY AND I/O CONFIGURATIONS ORDERING INFORMATION BLOCK DIAGRAM PINNING INFORMATION Pinning Pin description POWER-ON-RESET STATUS AND PORT OPTIONS HARDWARE MODULATOR Interface between the 84CXXX core and derivative logic Instructions for data transfer between the 84CXXX core and derivative logic Operation of the Hardware Modulator INTERRUPTS Internal timer/counter External keypad wake-up and T0/INT...