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AM79C978AVCW Fiches technique(PDF) 97 Page - Advanced Micro Devices |
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AM79C978AVCW Fiches technique(HTML) 97 Page - Advanced Micro Devices |
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97 / 256 page ![]() Am79C978A 97 Table 29. I/O Map in DWord I/O Mode (DWIO = 1) Table 30. Legal I/O Accesses in Double Word I/O Mode (DWIO =1) Offset No. of Bytes Register 00h - 0Fh 16 APROM 10h 4 RDP 14h 4 RAP (shared by RDP and BDP) 18h 4 Reset Register 1Ch 4 BDP AD[4:0] BE[3:0] Type Comment 0XX00 0000 RD DWord read of APROM locations 3h (MSB) to 0h (LSB), 7h to 4h, Bh to 8h, or Fh to Ch 10000 0000 RD DWord read of RDP 10100 0000 RD DWord read of RAP 11000 0000 RD DWord read of Reset Register 0XX00 0000 WR DWord write to APROM locations 3h (MSB) to 0h (LSB), 7h to 4h, Bh to 8h, or Fh to Ch 10000 0000 WR DWord write to RDP 10100 0000 WR DWord write to RAP 11000 0000 WR DWord write to Reset Register |
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