HB288064MM1 Datasheet, PDF (43/79 Pages) Hitachi Semiconductor – MultiMediaCard 64 MByte

HB288064MM1
Bits Identifier
Type Value
16 CID_OVERWRITE/ E R X ’0’= no error
CSD_OVERWRITE
’1’= error
Description
Clear Condition
can be either one of the following C
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.
15 WP_ERASE_SKIP S X ’0’= not protected Only partial address space was C
’1’= protected erased due to existing WP blocks.
14 CARD_ECC_
DISABLED
S X ’0’= enabled
’1’= disabled
The command has been executed A
without using the internal ECC.
13 ERASE_RESET
S R ’0’= cleared
’1’= set
An erase sequence was cleared C
before executing because an out
of erase sequence command was
received
12:9 CURRENT_STATE S X 0 = idle
Current state of the card.
B
1 = ready
2 = ident
3 = stby
4 = tran
5 = data
6 = rcv
7 = prg
8 = dis
9-15 = reserved
8
BUFFER_EMPTY S X ’0’= not empty corresponds to buffer empty
A
’1’= empty
signalling on the bus
7:6 reserved
Permanently 0
5
APP_CMD
S R ’0’= disabled
’1’= enabled
The card will expect ACMD or C
indication that the command has
been interpreted as ACMD.
4
reserved
Permanently 0
3:2 reserved for application specific commands
1:0 reserved for manufacturer test mode
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