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PDF SP0256 Data sheet ( Hoja de datos )
| Número de pieza | SP0256 | |
| Descripción | Speech Board Interface | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SP0256 (archivo pdf) en la parte inferior de esta página. Total 3 Páginas | ||
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The SP0256 Speech Board Interface
William Henderson
April 17, 2005
1 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 command interface with the SP0256 Speech Board comprises 6 address
lines (A1...A6) and the ALD (Address LoaD) and LRQ (Load ReQuest) signals, 8
bits in total. The interface is illustrated in Figure 1
IDC Pin Number 1 2
CONN3 GND Vcc
TINI PIA − Port A
10 9 6 4 3 5 7 8
A7 A6 A5 A4 A3 A2 A1 A0
Speech Board
SP0256−AL2
A1
A2
A3
A4
A5
A6
A7
A8
ALD
LRQ
Speaker
Output
V+ G
Figure 1: SP0256 Interface
1
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet SP0256.PDF ] | |
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