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TL16PNP100A Scheda tecnica(PDF) 11 Page - Texas Instruments |
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TL16PNP100A Scheda tecnica(HTML) 11 Page - Texas Instruments |
11 / 21 page TL16PNP100A STANDALONE PLUG-AND-PLAY (PnP) CONTROLLER SLLS200C – MARCH 1995 – REVISED SEPTEMBER 1997 11 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 APPLICATION INFORMATION 2. Program the I/O ports descriptors in the EEPROM as follows: 47h I/O port descriptors with 7 bytes 01h Information, bit 0 is set. The logical device is decoding full 16-bit ISA addresses 00h Address bits 7–0 for minimum configuration base I/O address 02h Address bits 15–8 for minimum configuration base I/O address 00h Address bits 7–0 for maximum configuration base I/O address 03h Address bits 15–8 for maximum configuration base I/O address 08h Base alignment, which has a block size of 8 bytes 01h One I/O port is needed Using the above setup, the PnP BIOS maps the logical device to an address so that the upper six bits are always zeros. The 0 output from the OR gate occurs when SA15-SA10 and SAEN are low. This forces the logical device to check SA09-SA0 for a possible valid address. |
Codice articolo simile - TL16PNP100A_05 |
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Descrizione simile - TL16PNP100A_05 |
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