AS39513 datasheet(75/108 Pages) AMSCO

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[v1-10] 2018-Apr-25

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AS39513 − Detailed Description

Read Multiple Blocks Command

Read Multiple Blocks Command Request:

Read Multiple Blocks Command Reply:

The read multiple blocks command reads multiple four-byte

blocks from the EEPROM’s Application and Measurement areas.

The command reads NUMBLK+1 of blocks of data starting from

block number BADDR. If the OPTION flag is 1, a security status

is returned. If the OPTION flag is 0, no security status is returned.

In either case, the four bytes in each block are returned, lowest

address and LSB first.

The security status will be 0x00 if the block is not locked, and

0x01 if the block is locked.

If the last byte to read would have an address that is greater

than 0x3FF, error code 0x10 is returned and no data is read.

SOF

Flags

Command

UID

BADDR

NUMBLK

CRC

EOF

NFLAGS

0x23

64 bits

8 bits

16 bits

SOF

Flags

Security Status

Block Data

CRC

EOF

RFLAGS

8 bits

4*8 bits

16 bits

Repeat as needed

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