MB88310 Datasheet | Fujitsu Semiconductor Limited

FUJITSU CMOS INPUT/OUTPUT EXPANDER MB 88310 MB 88311 April 1986 Edition 1.0 CMOS INPUT/OUTPUT EXPANDER The Fujitsu MB 88310/MB 88311 are peripheral integrated circuits that can be connected to a 4-bit or 8-bit single- chip microputer (MCU) to provide ad- ditional I/O ports. Besides furnishing simple I/O port expansion, the MB 88310 and MB 88311 can AND or OR port data with data from the MCU, on instruc- tion from the MCU. The MB 8831 O/MB 88311 are pseudo- bidirectional ports. They are accessed in 4-bit units, but each individual bit can be used for either input or output,...