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SMC032AF Fiches technique(PDF) 37 Page - Numonyx B.V |
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SMC032AF Fiches technique(HTML) 37 Page - Numonyx B.V |
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37 / 82 page ![]() SMCxxxAF Card configuration 37/82 6.7 Common memory transfer function The common memory transfer to or from the card permits both 8 or 16 bit access to all of the common memory addresses. (see Table 33). Table 33. Common memory function Function code –REG –CE2 –CE1 A0 –OE –WE D15 to D8 D7 to D0 Standby mode X H H X X X High Z High Z Byte Read access (8 bits) H H H H L L L H L L H H High Z High Z Even byte Odd byte Byte Write access (8 bits) H H H H L L L H H H L L Don’t care Don’t care Even byte Odd byte Word Read access (16 bits) H L L X L H Odd byte Even byte Word Write access (16 bits) H L L X H L Odd byte Even byte Odd byte read only (8 bits) HL HX L H Odd byte High Z Odd byte write only (8 bits) HL HX H L Odd byte Don’t care |
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