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4 - 34 C156-E142-02EN
Table 4.34 Transfer setting values in the SC register
Setting value Function ODD response
Bits 7 to 3 bits 2 to 0
00000 000 PIO default transfer mode Normally end
00000 001 PIO default transfer mode Normally end
010 to 111 (without IORDY signal) Report Aborted Command
00001 000 PIO flow control transfer mode Normally end
001 (with IORDY signal) Normally end
010 Normally end
011 Normally end
100 Normally end
101 to 111 Report Aborted Command
00010 000 to 111 Reserved Report Aborted Command
00100 000 Multiword DMA transfer mode Normally end
00100 001 Normally end
00100 010 Normally end
00100 011 to 111 Report Aborted Command
01000 000 to 111 Reserved Report Aborted Command
10000 000 to 111 Reserved Report Aborted Command
When the FR register is X'95', the ODD responds with the following value at the end of the
command.
! The CL register is set with X'00'.
! The CH register is set as shown below.