C141-E072-01EN5 - 14
5.3.1 Command code and parameters
Table 5.4 lists the supported commands, command code and the registers that needed
parameters are written.
Table 5.4 Command code and parameters (1 of 2)
Command code (Bit) Parameters used
76543210FR SC SN CY DH
READ SECTOR(S) 0010000RN Y YY Y
READ MULTIPLE 11000100N Y YY Y
READ DMA 1100100RN Y YY Y
READ VERIFY SECTOR(S) 0100000RN Y YY Y
WRITE MULTIPLE 11000101N Y YY Y
WRITE DMA 1100101RN Y YY Y
WRITE VERIFY 00111100N Y YY Y
WRITE SECTOR(S) 0011000RN Y YY Y
RECALIBRATE 0 0 0 1 XXXXNNNND
SEEK 0 1 1 1 XXXXNNYY Y
INITIALIZE DEVICE DIAGNOSTIC 10010001N Y NN Y
IDENTIFY DEVICE 11101100N N N N D
IDENTIFY DEVICE DMA 11101110N N N N D
SET FEATURES 11101111YN* N N D
SET MULTIPLE MODE 11000110N Y N N D
EXECUTE DEVICE DIAGNOSTIC 10010000N N NND*
FORMAT TRACK 01010000N N Y* Y Y
READ LONG 0010001RN Y YY Y
WRITE LONG 0011001RN Y YY Y
READ BUFFER 11100100N N NN D
WRITE BUFFER 11101000N N NN D
IDLE 1
10
10
11
00
01
01
11
1N Y NN D
IDLE IMMEDIATE 1
10
10
11
00
01
00
01
1N N NN D
STANDBY 1
10
10
11
00
01
01
10
0N Y NN D
Command name