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M32C/86T датащи(PDF) 150 Page - Renesas Technology Corp

номер детали M32C/86T
подробное описание детали  RENESAS 16/32-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M32C/80 SERIES
PDF  505 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M32C/86T датащи(HTML) 150 Page - Renesas Technology Corp

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Page 127
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13. DMAC
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DMAi Request Source Select Register (i=0 to 3)
RW
RW
RW
RW
RW
RW
RW
RO
RW
DSEL0
DSEL1
DSEL2
DMA Request Source
Select Bit(1)
DSEL3
DSEL4
Software DMA
Request Bit(2)
DSR
(b6)
See Table 13.2 for the DMiSL
register (i = 0 to 3) function
DRQ
DMA Request Bit(2, 3)
0 : Not requested
1 : Requested
NOTES:
1. Change the DSEL4 to DSEL0 bit settings while the MDi1 and MDi0 bits in the DMD0 and DMD1
registers are set to "002" (DMA disabled). Also, set the DRQ bit to "1" simultaneously when the
DSEL4 to DSEL0 bit settings are changed.
e.g., MOV.B #083h, DMiSL ; Set timer A0
2. When the DSR bit is set to "1", set the DRQ bit to "1" simultaneously.
e.g., OR.B #0A0h, DMiSL
3. Do not set the DRQ bit to "0".
Symbol
Address
After Reset
DM0SL to DM3SL
037816, 037916, 037A16, 037B16
0X00 00002
Function
Bit Name
Bit
Symbol
When a software trigger is selected,
a DMA request is generated by
setting this bit to "1" (When read, its
content is always "0")
Reserved Bit
When read,
its content is indeterminate
b7
b6
b5
b4
b3
b2
b1
b0
Figure 13.2 DM0SL to DM3SL Registers



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