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Continue request
Continue from SH-2 to SMPC can be requested by inverting bit 7 of IREG0.

Break request
A break from SH-2 to SMPC can be requested by writing "1" to bit 6 of IREG0.

Precautions for continue and break requests

Please pay attention to the conditions shown in Table 3.2 when requesting continue and break.

Table 3.2 Conditions for issuing continue and breaks 
 Request to be issued 
 Acceptance 
 SMPC operation

 Continuous 
 New 
 Break 
 × 
 × 
 Pending 
 Request Wait 
 × 
 ○ 
 Break 
 Peripheral Data collection suspended, INTBACK command terminated 
 ○ 
 × 
 Continue 
 continued Peripheral data collection 
 ○ 
 ○ 
 Prohibited 
 Guarantee None

End condition for INTBACK command to get peripheral data

The INTBACK command that acquires peripheral data ends under the following conditions.
  1. When all peripheral data collection is completed
  2. When peripheral data collection could not be completed by V-BLANK-IN (time over)
  3. When collecting peripheral data due to a break request from SH-2

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