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Doc, da hast du mich wohl missverstanden. Ich meine den CI-Mode. <BLOCKQUOTE><font size="1" face="Tahoma, Verdana">Zitat:</font><HR>A.5.5. Electrical Specification A Common Interface module is implemented as a variant of the 16-bit PC Card Electrical Interface (Section 4 of [6]). The command interface uses the least significant byte of the data bus, together with the lower part of the address bus (A0-A14), and appropriate control signals. The command interface operates in I/O interface mode. The upper address lines (A15-A25), the most significant half of the data bus (D8-D15), and certain other control signals are redefined for the this interface variant. When first plugged in and before configuration, a module conforming to this interface specification shall behave as a Memory-Only device with the following restrictions: a) Signals D8-D15 shall remain in the high-impedance state. b) 16-bit read and write modes are not available. CE2# shall be ignored and interpreted by the module as always being in the ‘High’ state. c) Address lines A15-A25 shall not be available for use as address lines. The maximum address space available on the module is limited to 32768 bytes (16384 bytes of Attribute Memory as it only appears at even addresses). d) Signals BVD1 and BVD2 shall remain ‘High’. A.5.5.1. Card Type Detection Section 3 of [6] applies. Hosts shall support 5v working and may optionally support 3.3v working. In the latter case hosts shall use the detection mechanisms described in [6] to determine module operating voltage. Hosts shall follow the rules for type of socket according to whether they provide 3.3v working - Section 3.2 of [6]. Hosts need not support the detection mechanisms for CardBus PC Cards, but may optionally do so - Section 3.3 of [6]. A.5.5.2. Pin assignments When in memory card mode, just after reset, the pin assignments in the left hand column of Tables 4-1 and 4-2 of [6] are used. When the module is configured as the Common Interface variant during the initialisation process, the following reassignments are made: The pins carrying signals A15-A25, D8-D15, BVD1, BVD2 and VS2# are used to provide high-speed input and output buses for the MPEG-2 multiplex data. All other pins retain their assignment as an I/O & Memory Card interface, except that IOIS16# is never asserted and CE2# is ignored.[/quote]
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