5.3 Host Commands

SC: Sector Count register

x, xx: Do not care (no necessary to set)

Note:

1.When the L bit is specified to 1, the lower 4 bits of the DH register and all bits of the CH, CL and SN registers indicate the LBA bits (bits of the DH register are the MSB (most significant bit) and bits of the SN register are the LSB (least significant bit).

2.At error occurrence, the SC register indicates the remaining sector count of data transfer.

3.In the table indicating I/O registers contents in this subsection, bit indication is omitted.

C141-E202-01EN

5-19

Page 95
Image 95
Fujitsu MHU2100AT manual Host Commands