S912XEG128J2VAL
| Model | S912XEG128J2VAL |
| Description | IC,MICROCONTROLLER,16-BIT,CPU12 CPU,CMOS,QFP,112PIN,PLASTIC |
| PDF file | Total 1327 pages (File size: 7M) |
| Chip Manufacturer | ROCHESTER |
Chapter 27 512 KByte Flash Module (S12XFTM512K3V1)
Table 27-59. Set User Margin Level Command Error Handling
Because of an order from the United States International Trade Commission, BGA-packaged product lines and part numbers indicated here currently are not
available from Freescale for import or sale in the United States prior to September 2010: S12XE products in 208 MAPBGA packages
Register
Error Bit
Error Condition
Set if CCOBIX[2:0] != 001 at command launch
Set if a Load Data Field command sequence is currently active
ACCERR
FSTAT
Set if an invalid margin level setting is supplied
FPVIOL
MGSTAT1
MGSTAT0
FERSTAT
EPVIOLIF
None
None
None
None
Set if command not available in current mode (see
Table 27-30)
Set if an invalid global address [22:16] is supplied
NOTE
User margin levels can be used to check that Flash memory contents have
adequate margin for normal level read operations. If unexpected results are
encountered when checking Flash memory contents at user margin levels, a
potential loss of information has been detected.
27.4.2.14 Set Field Margin Level Command
The Set Field Margin Level command, valid in special modes only, causes the Memory Controller to set
the margin level specified for future read operations of a specific P-Flash or D-Flash block.
Table 27-60. Set Field Margin Level Command FCCOB Requirements
CCOBIX[2:0]
000
001
0x0E
FCCOB Parameters
Global address [22:16] to identify the Flash
block
Margin level setting
Upon clearing CCIF to launch the Set Field Margin Level command, the Memory Controller will set the
field margin level for the targeted block and then set the CCIF flag.
Valid margin level settings for the Set Field Margin Level command are defined in
Table 27-61.
Table 27-61. Valid Set Field Margin Level Settings
CCOB
(CCOBIX=001)
0x0000
0x0001
Level Description
Return to Normal Level
User Margin-1 Level
(1)
MC9S12XE-Family Reference Manual , Rev. 1.19
1062
Freescale Semiconductor
