
Rev.2.00 Oct 16, 2006
page 243 of 354
REJ09B0340-0200
M30245 Group
2. DMAC
Figure 2.10.3. DMAC-related registers (2)
Symbol
DM2SL
Address
03B016
When reset
0016
Symbol
DM3SL
Address
03B216
When reset
0016
Bit Symbol
Bit Name
Function (Note 2)
R W
DSEL0
DSEL1
DSEL2
DSEL3
DSEL4
b4 b3 b2 b1 b0
0 0 0 0 0 : DMA Disabled
0 0 0 0 1 : INT2 (falling edge)
0 0 0 1 0 : INT2 (two edges)
0 0 0 1 1 : USB2
0 0 1 0 0 : Timer A0
0 0 1 0 1 : Timer A1
0 0 1 1 0 : Timer A2
0 0 1 1 1 : Timer A3
0 1 0 0 0 : Timer A4
0 1 0 0 1 : UART0 receive/ACK/SSI0 receive
0 1 0 1 0 : UART1 receive/ACK/SSI1 receive
0 1 0 1 1 : UART2 receive/ACK
0 1 1 0 0 : UART3 receive/ACK
0 1 1 0 1 : UART0 transmit/NACK/SSI0 transmit
0 1 1 1 0 : UART1 transmit/NACK/SSI1 transmit
0 1 1 1 1 : UART2 transmit/NACK
1 0 0 0 0 : UART3 transmit/NACK
1 0 0 0 1 : A/D
1 0 0 1 0 : DMA0
1 0 0 1 1 : DMA1
1 0 1 0 0 : Disabled (Note 3)
1 0 1 0 1 : DMA3
1 0 1 1 0 : Disabled (Note 3)
1 0 1 1 1 : Disabled (Note 3)
1 1 x x x : Disabled (Note 3)
O O
b7
b5
b6
b4
b3
b2
b1
b0
Nothing is assigned. Write “0” when writing to these bits. The value is “0” when read.
DSR
O O
DMA request
cause select bits
O O
_ _
O O
Software DMA
request bit
Software trigger is always enabled
Write “1” to trigger DSR bit.
Note 1: Software is always enabled.
Note 2: SSI=Serial sound interface
Note 3: This value should not be set.
Bit Symbol
Bit Name
Function (Note 2)
R W
DSEL0
DSEL1
DSEL2
DSEL3
DSEL4
b4 b3 b2 b1 b0
0 0 0 0 0 : DMA Disabled
0 0 0 0 1 : INT0 (falling edge)
0 0 0 1 0 : INT0 (two edges)
0 0 0 1 1 : USB3
0 0 1 0 0 : Timer A0
0 0 1 0 1 : Timer A1
0 0 1 1 0 : Timer A2
0 0 1 1 1 : Timer A3
0 1 0 0 0 : Timer A4
0 1 0 0 1 : UART0 receive/ACK/SSI0 receive
0 1 0 1 0 : UART1 receive/ACK/SSI1 receive
0 1 0 1 1 : UART2 receive/ACK
0 1 1 0 0 : UART3 receive/ACK
0 1 1 0 1 : UART0 transmit/NACK/SSI0 transmit
0 1 1 1 0 : UART1 transmit/NACK/SSI1 transmit
0 1 1 1 1 : UART2 transmit/NACK
1 0 0 0 0 : UART3 transmit/NACK
1 0 0 0 1 : A/D
1 0 0 1 0 : DMA0
1 0 0 1 1 : DMA1
1 0 1 0 0 : DMA2
1 0 1 0 1 : Disabled (Note 3)
1 0 1 1 0 : Disabled (Note 3)
1 0 1 1 1 : Disabled (Note 3)
1 1 x x x : Disabled (Note 3)
O O
b7
b5
b6
b4
b3
b2
b1
b0
Nothing is assigned. Write “0” when writing to these bits. The value is “0” when read.
DSR
O O
DMA request
cause select bits
O O
_ _
O O
Software DMA
request bit
Software trigger is always enabled
Write “1” to trigger DSR bit.
Note 1: Software is always enabled.
Note 2: SSI=Serial sound interface
Note 3: This value should not be set.
DMA2 request cause select register (Note 1)
DMA3 request cause select register (Note 1)