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H8SX1663 Scheda tecnica(PDF) 387 Page - Renesas Technology Corp

Il numero della parte H8SX1663
Spiegazioni elettronici  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1158 Pages
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8SX1663 Scheda tecnica(HTML) 387 Page - Renesas Technology Corp

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Section 7 DMA Controller (DMAC)
Rev.1.00 Jun. 07, 2006 Page 335 of 1102
REJ09B0294-0100
Bit
Bit Name
Initial
Value
R/W
Description
2
1
0
DMAP2
DMAP1
DMAP0
0
0
0
R/W
R/W
R/W
DMA Priority Level 2 to 0
Select the priority level of the DMAC when using the
CPU priority control function over DTC and DMAC.
When the CPU has priority over the DMAC, the DMAC
masks a transfer request and waits for the timing when
the CPU priority becomes lower than the DMAC priority.
The priority levels can be set to the individual channels.
This bit is valid when the CPUPCE bit in CPUPCR is set
to 1.
000: Priority level 0 (low)
001: Priority level 1
010: Priority level 2
011: Priority level 3
100: Priority level 4
101: Priority level 5
110: Priority level 6
111: Priority level 7 (high)
Note:
*
Only 0 can be written to, to clear the flag.



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