S9S12G48F0MLH Freescale Semiconductor, S9S12G48F0MLH Datasheet - Page 1157
S9S12G48F0MLH
Manufacturer Part Number
S9S12G48F0MLH
Description
16-bit Microcontrollers - MCU 16Bit 48KFlash 4096RAM MSCAN
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12G48F0MLH
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
48 KB
Data Ram Size
2 KB
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
LQFP-64
Mounting Style
SMD/SMT
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31.3.2.9.1
The general guideline is that P-Flash protection can only be added and not removed.
all valid transitions between P-Flash protection scenarios. Any attempt to write an invalid scenario to the
FPROT register will be ignored. The contents of the FPROT register reflect the active protection scenario.
See the FPHS and FPLS bit descriptions for additional restrictions.
31.3.2.10 EEPROM Protection Register (EEPROT)
The EEPROT register defines which EEPROM sectors are protected against program and erase operations.
1
The (unreserved) bits of the EEPROT register are writable with the restriction that protection can be added
but not removed. Writes must increase the DPS value and the DPOPEN bit can only be written from 1
(protection disabled) to 0 (protection enabled). If the DPOPEN bit is set, the state of the DPS bits is
irrelevant.
During the reset sequence, fields DPOPEN and DPS of the EEPROT register are loaded with the contents
of the EEPROM protection byte in the Flash configuration field at global address 0x3_FF0D located in
Freescale Semiconductor
Loaded from IFR Flash configuration field, during reset sequence.
Offset Module Base + 0x0009
Reset
W
R
DPOPEN
F
7
1
P-Flash Protection Restrictions
1
Protection
Allowed transitions marked with X, see
Scenario
From
0
1
2
3
4
5
6
7
F
6
Figure 31-15. EEPROM Protection Register (EEPROT)
Table 31-21. P-Flash Protection Scenario Transitions
1
X
X
0
MC9S12G Family Reference Manual, Rev.1.23
F
5
1
X
X
X
X
1
X
X
X
X
2
To Protection Scenario
F
4
1
Figure 31-14
X
X
X
X
X
X
X
X
3
DPS[6:0]
X
X
X
X
F
4
for a definition of the scenarios.
3
1
240 KByte Flash Module (S12FTMRG240K2V1)
1
5
X
X
F
2
1
X
X
6
Table 31-21
X
7
F
1
1
specifies
F
0
1
1159
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