MM912H634CV1AE Freescale Semiconductor, MM912H634CV1AE Datasheet - Page 264

• 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

Read: Anytime
Write: Anytime
4.38.3.2.22
Read: Anytime
Write: Only in Special Mode
The reserved register allows several setting to aid to perform device parametric tests This register can only be written after writing
a $E3 before into this register.
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0x02FC
0x02FB
Reset
Reset
W
W
R
R
Field
0
Clock Configuration Registers Protection Bit — This bit protects the clock configuration registers from accidental overwrite
(see list of protected registers above).
Writing 0x26 to the CPMUPROT register clears the PROT bit, other write accesses set the PROT bit.
7
0
0
7
0
0
Reserved Register CPMUTEST2
This reserved register is designed for factory test purposes only, and is not intended for
general user access. Writing to this register when in Special Mode can alter the S12CPMU’s
functionality.
0
1
Protection of clock configuration registers is disabled.
Protection of clock configuration registers is enabled. (see list of protected registers above)
6
0
0
6
0
0
= Unimplemented or Reserved
Table 379. S12CPMU Protection Register (CPMUPROT)
Table 380. Reserved Register CPMUTEST2
0
LVRS
MM912_634 Advance Information, Rev. 4.0
5
0
0
5
0
0
LVRFS
Table i
NOTE
4
0
0
4
0
Description
0
LVRXS
3
0
0
3
0
2
0
0
2
0
0
1
0
0
1
0
0
0
RCEXA
PROT
0
0
0
0
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