S912XEP100J5MAGR Freescale Semiconductor, S912XEP100J5MAGR Datasheet - Page 1089
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S912XEP100J5MAGR
Manufacturer Part Number
S912XEP100J5MAGR
Description
S912XEP Series 16 Bit 50 Mhz 1 MB Flash 64 KB Ram Microcontroller - LQFP-144
Manufacturer
Freescale Semiconductor
Datasheet
1.S912XEP100J5MAG.pdf
(1328 pages)
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The Full Partition D-Flash command (see
information register fields where address 0x12_0000 defines the D-Flash partition for user access and
address 0x12_0004 defines the buffer RAM partition for EEE operations.
28.3.2
The Flash module contains a set of 20 control and status registers located between Flash module base +
0x0000 and 0x0013. A summary of the Flash module registers is given in
descriptions in the following subsections.
Freescale Semiconductor
FCCOBIX
FECCRIX
FCLKDIV
Address
& Name
FCNFG
0x0000
0x0001
0x0002
0x0003
0x0004
FSEC
1. Duplicate value used if primary value generates a double bit fault when read during the reset sequence.
0x12_0000 – 0x12_0001
0x12_0002 – 0x12_0003
0x12_0004 – 0x12_0005
0x12_0006 – 0x12_0007
0x12_0008 – 0x12_007F
Global Address
(EEEIFRON)
Register Descriptions
W
W
W
W
W
R
R
R
R
R
Writes to any Flash register must be avoided while a Flash command is
active (CCIF=0) to prevent corruption of Flash register contents and
Memory Controller behavior.
KEYEN1
FDIVLD
CCIE
7
0
0
Table 28-7. EEE Nonvolatile Information Register Fields
KEYEN0
(Bytes)
FDIV6
MC9S12XE-Family Reference Manual , Rev. 1.23
Figure 28-4. FTM768K4 Register Summary
Size
120
6
0
0
0
2
2
2
2
D-Flash User Partition (DFPART)
Refer to
D-Flash User Partition (duplicate
Buffer RAM EEE Partition (ERPART)
Refer to
Buffer RAM EEE Partition (duplicate
Reserved
FDIV5
RNV5
Section
5
0
0
0
Section 28.4.2.15, “Full Partition D-Flash
Section 28.4.2.15, “Full Partition D-Flash
CAUTION
28.4.2.15) is used to program the EEE nonvolatile
IGNSF
FDIV4
RNV4
4
0
0
Chapter 28 768 KByte Flash Module (S12XFTM768K4V2)
FDIV3
RNV3
Description
3
0
0
0
(1)
)
1
)
CCOBIX2
ECCRIX2
Figure 28-4
FDIV2
RNV2
2
0
Command”
Command”
CCOBIX1
ECCRIX1
FDIV1
FDFD
SEC1
with detailed
1
CCOBIX0
ECCRIX0
FDIV0
SEC0
FSFD
0
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