* Two Bi-directional 8-Bit Peripheral Data Bus for interface to Peripheral devices Two Programmable Control Registers Two Programmable Data Direction Registers Four Individually-Controlled Interrupt Input Lines: Two Usable as Peripheral Control Outputs Handshake Control Logic for Input and Output Peri
HD68B21
Hitachi
774.00 KB
Peripheral interface adapter.
HD6821, HD68A21, HD68B21
P I A (Peripheral Interface Adapter)
The HD6821 Peripheral Interface Adapter provides the universal means of interfacing pe.
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