參數(shù)資料
型號: HB288016MM1
廠商: Hitachi,Ltd.
英文描述: MultiMediaCard 16 MByte
中文描述: 多媒體16字節(jié)
文件頁數(shù): 43/79頁
文件大?。?/td> 233K
代理商: HB288016MM1
HB288016MM1
43
Bits
Identifier
Type
Value
Description
Clear Condition
16
CID_OVERWRITE/
CSD_OVERWRITE
E R X ’0’= no error
’1’= error
can be either one of the following
errors:
The CID register is already
written and can not be
overwritten.
The read only section of the
CSD does not match the card
content.
An attempt to reversecopy (set
as original) or permanent WP
(unprotect) bits was done.
C
15
WP_ERASE_SKIP
S X
’0’= not protected
’1’= protected
Only partial address space was
erased due to existing WP blocks.
C
14
CARD_ECC_
DISABLED
S X
’0’= enabled
’1’= disabled
The command has been executed
without using the internal ECC.
A
13
ERASE_RESET
S R
’0’= cleared
’1’= set
An erase sequence was cleared
before executing because an out
of erase sequence command was
received
C
12:9
CURRENT_STATE
S X
0 = idle
1 = ready
2 = ident
3 = stby
4 = tran
5 = data
6 = rcv
7 = prg
8 = dis
9-15 = reserved
Current state of the card.
B
8
BUFFER_EMPTY
S X
’0’= not empty
’1’= empty
corresponds to buffer empty
signalling on the bus
A
7:6
reserved
Permanently 0
5
APP_CMD
S R
’0’= disabled
’1’= enabled
The card will expect ACMD or
indication that the command has
been interpreted as ACMD.
C
4
reserved
Permanently 0
3:2
reserved for application specific commands
1:0
reserved for manufacturer test mode
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