Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos
Los códigos de productos
ATSAM4S-XPLD
1105
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
46.
Errata on SAM4S Devices
46.1
Marking
All devices are marked with the Atmel logo and the ordering code.
Additional marking is as follows:
where
“YY”: manufactory year
“WW”: manufactory week
“V”: revision
“XXXXXXXXX”: lot number
46.2
Errata SAM4SD32/SD16/SA16/S16/S8 Rev A Parts
It applies to:
SAM4SD32C (rev A) 0x29A7_0EE0
SAM4SD32B (rev A) 0x2997_0EE0
SAM4SD16C (rev A) 0x29A7_0CE0
SAM4SD16B(rev A) 0x2997_0CE0
SAM4SA16C (rev A) 0x28A7_0CE0
SAM4SA16B (rev A) 0x2897_0CE0
SAM4S16C (rev A) 0x28AC_0CE0
SAM4S16B (rev A) 0x289C_0CE0
SAM4S8C (rev A) 0x28AC_0AE0
SAM4S8B (rev A) 0x289C_0AE0
46.2.1 Flash Controller
46.2.1.1 EFC: Flash Buffer not Cleared
The Write Buffer in the embedded Flash is not cleared after trying to write to a locked region. Therefore, the data that was
previously loaded into the Write Buffer would remain in the buffer while the next page write command (e.g. WP) is being
executed.
previously loaded into the Write Buffer would remain in the buffer while the next page write command (e.g. WP) is being
executed.
Problem Fix/Workaround
Do not do partial programming (Fill completely the Write Buffer). Note that this problem occurs only if the software tries to
write into a locked region.
write into a locked region.
46.2.1.2 EFC: Code Loop Optimization Cannot Be Disabled
The EFC does not work after the buffer for loop optimization is disabled, in Flash Mode Register (EEFC_FMR) CLOE = 0.
Problem Fix/Workaround
The CLOE bit must be kept at 1.
YYWW V
XXXXXXXXX
XXXXXXXXX