ST25DV64K datasheet(122/220 Pages) STMICROELECTRONICS

122 / 220 page

RF operations

ST25DV04K ST25DV16K ST25DV64K

122/220

DocID027603 Rev 4

Response parameters:

•

Block security status if Option_flag is set (see Table 90: Block security status)

•

N blocks of data

Response parameter:

•

Error code as Error_flag is set:

–

03h: command option is not supported

–

0Fh: error with no information given

–

10h: the specified block is not available

–

15h: the specified block is read-protected

7.6.13

Extended Read Multiple Blocks

When receiving the Extended Read multiple block command, the ST25DVxxx reads the

selected blocks and sends back their value in multiples of 32 bits in the response. The

blocks are numbered from 00h to last block of memory in the request and the value is minus

one (-1) in the field. For example, if the “Number of blocks” field contains the value 06h,

seven blocks are read. The maximum number of blocks is fixed at 2047 assuming that they

are all located in the same area. If the number of blocks overlaps areas or overlaps the end

Table 89. Read Multiple Block response format when Error_flag is NOT set

Response

SOF

Response_

flags

Block security

status(1)

1. Gray color means that the field is optional.

Data

CRC16

Response

EOF

-8 bits

8 bits(2)

2. Repeated as needed.

32 bits(2)

16 bits

Table 90. Block security status

Reserved for future use.

All at 0.

0: Current block not locked

1: Current block locked

Table 91. Read Multiple Block response format when Error_flag is set

Response SOF

Response_flags

Error code

CRC16

Response EOF

8 bits

16 bits

Figure 41. Read Multiple Block frame exchange between VCD and ST25DVxxx

VCD

SOF

Read Multiple

Block request

EOF

ST25DVxxx

<-t1-> SOF

Read Multiple

Block response

EOF

ST25DV64K Scheda tecnica(PDF) 122 Page - STMicroelectronics

ST25DV64K Scheda tecnica(HTML) 122 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Scheda tecnica Scarica

Link URL