Renesas M16C/62P Series Hardware Manual page 143

M16C/62P Group (M16C/62P, M16C/62PT)
DMA0 Request Factor Select Register
b7 b6 b5 b4 b3 b2 b1 b0
NOTES :
1. The factors of DMA0 requests can be selected by a combination of DMS bit and DSEL3 to DSEL0 bits in the manner
described below .
DSEL3 to DSEL0
0 0 0 0 b
0 0 0 1 b
0 0 1 0 b
0 0 1 1 b
0 1 0 0 b
0 1 0 1 b
0 1 1 0 b
0 1 1 1 b
1 0 0 0 b
1 0 0 1 b
1 0 1 0 b
1 0 1 1 b
1 1 0 0 b
1 1 0 1 b
1 1 1 0 b
1 1 1 1 b
Figure 14.2 DM0SL Register
Rev.2.41 Jan 10, 2006
REJ09B0185-0241
http://www.xinpian.net
Symbol Address
03B8h
DM0SL
Bit Name
Bit Symbol
DSEL0 DMA Request Factor Select Bit
DSEL1
DSEL2
DSEL3
— Nothing is assigned. When w rite, set to "0".
(b5-b4) When read, their content are "0".
DMA Request Factor Expansion
DMS
Select Bit
Softw are DMA Request Bit
DSR
DMS=0(Basic Factor of Request)
_____
Falling Edge of INT0 Pin
Softw are Trigger
Timer A0
Timer A1
Timer A2
Timer A3
Timer A4
Timer B0
Timer B1
Timer B2
UART0 Transmit
UART0 Receive
UART2 Transmit
UART2 Receive
A/D Conversion
UART1 Transmit
Page 128 of 390
提供单片机解密、IC解密、芯片解密业务
After Reset
00h
Function
(NOTE 1)
0: Basic factor of request
1: Extended factor of request
A DMA request is generated by setting this bit
to "1" w hen the DMS bit is "0" (basic factor)
and the DSEL3 to DSEL0 bits are "0001b"
(softw are trigger).
The value of this bit w hen read is "0".
DMS=1(Extended Factor of Request)
—
—
—
—
—
—
_____
Tw o Edges of INT0 Pin
Timer B3
Timer B4
Timer B5
—
—
—
—
—
—
010-62245566 13810019655
14. DMAC
RW
RW
RW
RW
RW
—
RW
RW