MC9S12G FREESCALE [Freescale Semiconductor, Inc], MC9S12G Datasheet - Page 947
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MC9S12G
Manufacturer Part Number
MC9S12G
Description
Ignores external trigger. Performs one conversion sequence and stops.
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S12G.pdf
(1160 pages)
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26.4.5
Only the operations marked ‘OK’ in
Flash and EEPROM blocks. Some operations cannot be executed simultaneously because certain hardware
resources are shared by the two memories. The priority has been placed on permitting Program Flash reads
while program and erase operations execute on the EEPROM, providing read (P-Flash) while write
(EEPROM) functionality.
Freescale Semiconductor
FCMD
0x0B
0x0D
0x0E
0x08
0x09
0x10
0x11
0x12
This document is valid for the S12G96 and the S12G128 device. All information related to other devices is preliminary.
Allowed Simultaneous P-Flash and EEPROM Operations
Erase Flash Block
EEPROM Section
Erase All Blocks
Set User Margin
Set Field Margin
Erase EEPROM
Unsecure Flash
Erase Verify
Command
EEPROM
Program
Sector
Level
Level
Table 26-30. Allowed P-Flash and EEPROM Simultaneous Operations
1
2
Program Flash
Margin Read
Sector Erase
Mass Erase
A ‘Margin Read’ is any read after executing the margin setting commands
‘Set User Margin Level’ or ‘Set Field Margin Level’ with anything but the
‘normal’ level specified. See the Note on margin settings in
and
The ‘Mass Erase’ operations are commands ‘Erase All Blocks’ and ‘Erase
Flash Block’
Program
Read
Section
Erase all EEPROM (and P-Flash) blocks.
An erase of all Flash blocks is only possible when the FPLDIS, FPHDIS, and FPOPEN
bits in the FPROT register and the DPOPEN bit in the DFPROT register are set prior to
launching the command.
Erase a EEPROM (or P-Flash) block.
An erase of the full EEPROM block is only possible when DPOPEN bit in the DFPROT
register is set prior to launching the command.
Supports a method of releasing MCU security by erasing all EEPROM (and P-Flash)
blocks and verifying that all EEPROM (and P-Flash) blocks are erased.
Specifies a user margin read level for the EEPROM block.
Specifies a field margin read level for the EEPROM block (special modes only).
Verify that a given number of words starting at the address provided are erased.
Program up to four words in the EEPROM block.
Erase all bytes in a sector of the EEPROM block.
2
26.4.6.13.
MC9S12G Family Reference Manual, Rev.1.01
1
Table 26-29. EEPROM Commands
Table 26-30
Read
Margin
Read
OK
are permitted to be run simultaneously on the Program
1
Function on EEPROM Memory
EEPROM
Program
OK
Sector
Erase
128 KByte Flash Module (S12FTMRG128K1V1)
OK
Section 26.4.6.12
Erase
Mass
OK
2
947
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