SP0256 Datasheet | Unknown Manufacturer

The SP0256 Speech Board Interface William Henderson April 17, 2005 .. Interface Details This documents the interface between the SP0256 Speech Board and the TINI TutorIO microprocessor board. The TutorIO board PIA connector is a 26-way IDC socket known as CONN3. This carries the signals of the three 8-bit Ports A, B and C, ground and Vcc (5V). Only Port A is employed by the Speech Board; Ports B and C remain unused. Power to drive the Speech Board is also obtained from the TINI board via the CONN3 interface. The mand interface with the SP0256 Speech Board prises 6 address lines (A1...A6) and the ALD (Address LoaD) and LRQ (Load ReQuest) signals, 8 bits in...