MC9S12P96MFT Freescale Semiconductor, MC9S12P96MFT Datasheet - Page 436
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MC9S12P96MFT
Manufacturer Part Number
MC9S12P96MFT
Description
MCU 16BIT 96K FLASH 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.S9S12P32J0MFT.pdf
(566 pages)
Specifications of MC9S12P96MFT
Core Processor
HCS12
Core Size
16-Bit
Speed
32MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
96KB (96K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
6K x 8
Voltage - Supply (vcc/vdd)
1.72 V ~ 5.5 V
Data Converters
A/D 10x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-QFN Exposed Pad
Processor Series
S12P
Core
HCS12
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
KIT33812ECUEVME, DEMO9S12PFAME
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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128 KByte Flash Module (S12FTMRC128K1V1)
phrase containing the Flash security byte during the reset sequence, all bits in the FSEC register will be
set to leave the Flash module in a secured state with backdoor key access disabled.
The security function in the Flash module is described in
13.3.2.3
The FCCOBIX register is used to index the FCCOB register for Flash memory operations.
CCOBIX bits are readable and writable while remaining bits read 0 and are not writable.
436
KEYEN[1:0]
RNV[5:2}
SEC[1:0]
Offset Module Base + 0x0002
Reset
Field
7–6
5–2
1–0
W
R
Backdoor Key Security Enable Bits — The KEYEN[1:0] bits define the enabling of backdoor key access to the
Flash module as shown in
Reserved Nonvolatile Bits — The RNV bits should remain in the erased state for future enhancements.
Flash Security Bits — The SEC[1:0] bits define the security state of the MCU as shown in
Flash module is unsecured using backdoor key access, the SEC bits are forced to 10.
Flash CCOB Index Register (FCCOBIX)
0
0
7
= Unimplemented or Reserved
0
0
6
1. Preferred KEYEN state to disable backdoor key access.
1. Preferred SEC state to set MCU to secured state.
KEYEN[1:0]
Figure 13-7. FCCOB Index Register (FCCOBIX)
SEC[1:0]
00
01
10
11
00
01
10
11
S12P-Family Reference Manual, Rev. 1.13
Table
Table 13-8. FSEC Field Descriptions
Table 13-10. Flash Security States
Table 13-9. Flash KEYEN States
0
0
5
13-9.
Status of Backdoor Key Access
0
0
4
Status of Security
Description
UNSECURED
DISABLED
SECURED
DISABLED
DISABLED
SECURED
SECURED
ENABLED
Section
0
0
3
(1)
(1)
13.5.
0
2
CCOBIX[2:0]
Freescale Semiconductor
0
1
Table
13-10. If the
0
0
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