MB88310 - CMOS Input / Output Expander
The MB 88310/88311 have two interfaces: One is the processor interface; CS, LDI, and DI3-DIO, which are used for the processor to communicate with the MB 88310/88311 devices. Another is the expansion I/O ports; Ports A, B, C, and D, which serve as an expansion of the processor's I/O. Table 1 - PIN.
11111111111111111111111111111111111111111111111111111111111111111 FUJITSU 111111111111111111111111111111111111111111111111 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 microcomputer (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 w.
MB88310 Features
* CMOS Version of Fujitsu MB 88304/88305
* Four 4-bit I/O ports (16 lines)
* Four Functions: Parallel input, parallel output, AND output, and OR output
* AND and OR functions provide individual output capability
* Single
* bit input/output: Input and ou