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ST1284-01A8 Fiches technique(PDF) 3 Page - STMicroelectronics |
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ST1284-01A8 Fiches technique(HTML) 3 Page - STMicroelectronics |
3 / 7 page 3/7 ST1284-xxA8/T8 14 Autofeed 15 Error 16 Reset 17 Select in 1 Strobe 2 Bit 1 3 Bit 2 4 Bit 3 5 Bit 4 6 Bit 5 7 Bit 6 8 Bit 7 9 Bit 8 13 Select paper 14 1 13 25 1 28 2 27 20 26 25 24 23 21 19 18 17 16 3 4 5 6 7 9 11 13 14 8 10 12 15 22 10 Acknowledge 11 Busy 12 Paper Out Vcc Vcc Vcc Gnd ST1284-xxA8/T8 FUNCTIONAL DIAGRAM The functional diagram here above presents a IEEE1284-A connector pinout and show how to connect the ST1284-xxA8/T8 in order to correctly terminate and filter the 17 signal lines. The IEEE1284-A con- nector is the PC standard for the host connection. Control and status lines (from 10 to 17) only require a pull-up resistor (Rp) and a filter capacitor (C). The data lines (from 2 to 9) and the STROBE (pin 1) also require a termination series resistor (Rs) in addition to the pull-up resistor and a filter capacitor. The Vcc is connected to pin 20 and the ground to pin 22. The ST1284-xxA8/T8 can be used with all 3 types of connectors defined in the IEEE1284 standard: - IEEE1284-A is a 25DB connector which is the PC standard for the host connection. - IEEE1284-B is a 36 pin, 0.085 inch centerline connector used on the peripheral device. - IEEE1284-C is a new 36 pin, 0.050 inch centerline connector which can be used for both host and peripher- als. APPLICATION INFORMATION |
Numéro de pièce similaire - ST1284-01A8 |
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Description similaire - ST1284-01A8 |
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