upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 796

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

26.5 Usage Method
How to use the CRC operation circuit is described below.
[Basic usage method]
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<1> Write 0000H to the CRCD register.
<2> Write the required quantity of data to the CRCIN register.
<3> Read the CRCD register.
Write of 0000H to CRCD register
CRCD register read
Input data exists?
Start
End
Figure 26-5: CRC Operation Flow
No
User’s Manual U16702EE3V2UD00
Chapter 26 CRC Function
Yes
CRCIN register write