Data Sheet

ams Datasheet Page 47
[v1-04] 2018-Jul-09 Document Feedback
AS7265x − Detailed Description
ATFWS W
Tests the checksum
on the non-active FW
partition and, if
correct, switches
active partition. This
is a toggle and used
to toggle between
the 2 FW partitions.
Note: The first 5 bytes
in page 0 are not
touched. It is only a
temporary switch
and must be used to
check the new
firmware whether the
communication
works!
-- -
ATFWL W
This command locks
the current firmware
to starts on power
cycles. It rewrites the
first five bytes in
page0!
-- -
ATFWC R
This command gives
information about
the current firmware
state
-
Bit0 - Checksum of
non-active firmware
OK
Bit1 - Error occurred
Bit2 - Bank 1 active
Bit3 - Not used
Bit4 - Current
firmware is locked
Bit5 - 56kBytes
transferred
Bit6 - Not used
Bit7 - Firmware
update active
-
ATFWA W
Only for backward
compatibility to
support old firmware,
update mechanism.
Always returns with
OK. Because of flash
devices, it is not
possible to increment
the address
separately (page
erase necessary!)
-- -
Commands Direction Description Format Value Range Default