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4.5 ATA Commands
C156-E205-01EN 4-23
4.5.2 DEVICE RESET (08h)
Table 4.20 DEVICE RESET command
Bit
76543210
CM00001000
DHXXXDEVXXXX
CHXXXXXXXX
CLXXXXXXXX
SNXXXXXXXX
SCXXXXXXXX
FRXXXXXXXX
The DEVICE RESET command resets the ODD.
When the ODD receives the DEVICE RESET command, it sets the BSY bit to 1.
After reset is completed, the ODD sets the BUSY bit to 0. INTRQ is not asserted.
4.5.3 EXECUTE DEVICE DIAGNOSTIC (90h)
Table 4.21 EXECUTE DEVICE DIAGNOSTIC command
Bit
76543210
CM10010000
DHXXXXXXXX
CHXXXXXXXX
CLXXXXXXXX
SNXXXXXXXX
SCXXXXXXXX
FRXXXXXXXX
When the ODD receives this command, it recognizes self-diagnostics.