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MC9S12VR-Family - Data Sheet - Freescale Semiconductor

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14.3.5 Reserved Register<br />

<strong>MC9S12VR</strong> <strong>Family</strong> Reference Manual, Rev. 2.8<br />

Low-Side Drivers - LSDRV (S12LSDRV1)<br />

Module Base + 0x0002 Access: User read/write 1<br />

1 Read: Anytime<br />

Write: Only in special mode<br />

7 6 5 4 3 2 1 0<br />

R Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved<br />

W<br />

Reset x x x x x x x x<br />

Reset 0 0 0 0 0 0 F F<br />

After de-assert of System Reset a value is automatically loaded from the Flash Memory<br />

= Unimplemented<br />

Figure 14-4. Reserved Register<br />

NOTE<br />

This reserved register is designed for factory test purposes only, and is not<br />

intended for general user access. Writing to this register when in special<br />

mode can alter the module’s functionality.<br />

Table 14-6. Reserved Register<br />

Field Description<br />

7-0<br />

Reserved<br />

1-0<br />

TRLS0OC<br />

These reserved bits are used for test purposes. Writing to these bits can alter the module functionality.<br />

Trimming Bit<br />

Threshold trimming for both LS1 and LS0 over-current comparators.<br />

The trimming is coded representing an one-hot coding 0 -> “0001”, 1 -> “0010”, 2-> “0100” and 3 -> “1000”.<br />

<strong>Freescale</strong> <strong>Semiconductor</strong> 415

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