UM6532

UM6532/ UM6532A RAM, /10, Timer Array Features 8 bit bi-directional Data Bus for direct communica·tion with the microprocessor Programmable edge-sensitive interrupt 128 x 8 static RAM Two 8 bit bi-directional data ports for interface to peripherals Two programmable I/O peripheral data direction registers Programmable interval timer Programmable interval timer interrupt Peripheral pins with direct transistor drive capability High impedance three-state data pins General Description The UM6532 is designed to operate in conjunction with the UM6500 Microprocessor Family. It is comprised of a 128 x 8 static RAM, two software controlled ,8 bit bidirectional data ports allowing direct interfacing between the microprocessor unit and peripheral devices, a software programmable interval timer with interrupt capable of timing in various intervals from 1 to 262,144 clock periods, and a programmable edge-detect interrupt circuit. Pin Configuration Block Dia...