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H8S/2214 Scheda tecnica(PDF) 237 Page - Renesas Technology Corp

Il numero della parte H8S/2214
Spiegazioni elettronici  16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series
PDF  936 Pages
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8S/2214 Scheda tecnica(HTML) 237 Page - Renesas Technology Corp

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Section 7 DMA Controller
Rev.4.00 Sep. 18, 2008 Page 177 of 872
REJ09B0189-0400
7.1.4
Pin Configuration
Table 7.3 summarizes the DMAC pins.
In short address mode, external request transfer, and transfer end output are not performed for
channel A.
When the
DREQ pin is used, do not designate the corresponding port for output.
With regard to the
TEND pins, whether or not the corresponding port is used as a TEND pin can
be specified by means of a register setting.
Table 7.3
DMAC Pins
Channel
Pin Name
Symbol
I/O
Function
0
DMA request 0
DREQ0
Input
DMAC channel 0 external
request
DMA transfer end 0
TEND0
Output
DMAC channel 0 transfer end
1
DMA request 1
DREQ1
Input
DMAC channel 1 external
request
DMA transfer end 1
TEND1
Output
DMAC channel 1 transfer end



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