SH7052 Datasheet, PDF (321/919 Pages) Renesas Technology Corp – SuperHTM RISC engine

• Bit 3—Down-Count Start 8D (DST8D): Starts down-counter 8D (DCNT8D).
Bit 3: DST8D
0
1
Description
DCNT8D is halted
(Initial value)
[Clearing conditions]
When the DCNT8D value underflows, or on channel 1 (GR1D or OCR1)
compare-match
DCNT8D counts
[Setting conditions]
• One-shot pulse function: Set by user program (DCNT8D ≠ H'0000)
• Offset one-shot pulse function: Set on OCR1 compare-match or GR1D
compare-match, or by user program (DCNT8D ≠ H'0000)
• Bit 2—Down-Count Start 8C (DST8C): Starts down-counter 8C (DCNT8C).
Bit 2: DST8C
0
1
Description
DCNT8C is halted
(Initial value)
[Clearing conditions]
When the DCNT8C value underflows, or on channel 1 (GR1C or OCR1)
compare-match
DCNT8C counts
[Setting conditions]
• One-shot pulse function: Set by user program (DCNT8C ≠ H'0000)
• Offset one-shot pulse function: Set on OCR1 compare-match or GR1C
compare-match, or by user program (DCNT8C ≠ H'0000)
• Bit 1—Down-Count Start 8B (DST8B): Starts down-counter 8B (DCNT8B).
Bit 1: DST8B
0
1
Description
DCNT8B is halted
(Initial value)
[Clearing conditions]
When the DCNT8B value underflows, or on channel 1 (GR1B or OCR1)
compare-match
DCNT8B counts
[Setting conditions]
• One-shot pulse function: Set by user program (DCNT8B ≠ H'0000)
• Offset one-shot pulse function: Set on OCR1 compare-match or GR1B
compare-match, or by user program (DCNT8B ≠ H'0000)
295