Altera cyclone V Technical Reference page 978

14-32
Non-Data Transfer Commands that Use Data Path
Table 14-15: Non-Data Transfer Commands and Requirements
Cmd_index
Response_
†
expect
Response_
†
length
Check_
response_crc
Data_expected
†
Read/write
Transfer_mode
Send_auto_
†
stop
Wait_
prevdata_
†
complete
Stop_abort_
†
cmd
Table 14-16: Non-Data Transfer Commands and Requirements (Cont.)
Altera Corporation
PROGRAM_ SEND_WRITE_
CSD (CMD27) PROT (CMD30)
Command register programming
0x1B=27 0x1E=30
1 1
0 0
1 1
†
†
1 1
1 0
†
0 0
0 0
0 0
0 0
PROGRAM_ SEND_WRITE_
CSD (CMD27) PROT (CMD30)
Command Argument register programming
Stuff bits 32-bit write
protect data
address
†
LOCK_ SD_
UNLOCK STATUS
(CMD42) (ACMD1
3)
†
0x2A=42 0x0D=1 0x16=22
3
1 1 1
0 0 0
1 1 1
1 1 1
1 0 0
0 0 0
0 0 0
0 0 0
0 0 0
†
LOCK_ SD_
UNLOCK STATUS
(CMD42) (ACMD1
3)
†
Stuff bits Stuff Stuff bits
bits
SEND_NUM_ SEND_SCR
WR_BLOCKS (ACMD51)
(ACMD22)
0x33=51
1
0
1
1
0
0
0
0
0
SEND_NUM_ SEND_SCR
WR_BLOCKS (ACMD51)
(ACMD22)
Stuff bits
SD/MMC Controller
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2016.10.28