MM912H634CV1AE Freescale Semiconductor, MM912H634CV1AE Datasheet - Page 301

• Manufacturer Part Number: MM912H634CV1AE
• Description: 64KS12 LIN2xLS/HS Isense
• Manufacturer: Freescale Semiconductor
• Series: -r

Specifications of MM912H634CV1AE

• Applications: Automotive
• Core Processor: HCS12
• Program Memory Type: FLASH (64 kB)
• Controller Series: HCS12
• Ram Size: 6K x 8
• Interface: LIN
• Number Of I /o: -
• Voltage - Supply: 5.5 V ~ 27 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

The security function in the Flash module is described in
4.40.3.2.3
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.
4.40.3.2.4
This Flash register is reserved for factory testing.
All bits in the FRSV0 register read 0 and are not writable.
Freescale Semiconductor
CCOBIX[1:0]
Reset
Reset
W
W
R
R
Field
2–0
7
0
0
7
0
0
Common Command Register Index — The CCOBIX bits are used to select which word of the FCCOB register array is
being read or written to. See
Flash CCOB Index Register (FCCOBIX)
Flash Reserved0 Register (FRSV0)
6
0
0
6
0
0
Note:
Note:
207.
208.
= Unimplemented or Reserved
= Unimplemented or Reserved
KEYEN[1:0]
SEC[1:0]
Preferred KEYEN state to disable backdoor key access.
Preferred SEC state to set MCU to secured state
Table 417. Flash Reserved0 Register (FRSV0)
Table 415. FCCOB Index Register (FCCOBIX)
00
01
10
00
01
10
11
11
Table 416. FCCOBIX Field Descriptions
Section 4.40.3.2.11, “Flash Common Command Object Register
MM912_634 Advance Information, Rev. 4.0
5
0
0
5
0
0
Table 414. Flash Security States
Table 413. Flash KEYEN States
Section
Status of Backdoor Key Access
4
0
0
4
0
0
Status of Security
4.40.5.
DISABLED
SECURED
Description
UNSECURED
DISABLED
DISABLED
SECURED
SECURED
ENABLED
3
0
0
3
0
0
(207)
(208)
2
0
2
0
0
CCOBIX[2:0]
(FCCOB),” for more details.
1
0
1
0
0
0
0
0
0
0
301