18.4.4 Calculating for “DIR” in the Checksum Formula

The value of Device ID register and its mask value, the value derived from applying the mask and the 32-bit summation of bytes are shown in Table 18-3.

From Table 18-3, the value of DIR is:

DIR = 0x00000083 (32-bit number)

Table 18-3. DIR Calculation Example
Register	POR Default Value	Mask	POR Default Value and Mask	32-BitSummationof Bytes
DEVID	0x00938053	0x000FF000	0x00038000	0x00000083

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