
Rev.2.00 Oct 16, 2006
page 242 of 354
REJ09B0340-0200
M30245 Group
2. DMAC
Figure 2.10.2. DMAC-related registers (1)
Symbol
DM0SL
Address
03B816
When reset
0016
DMA0 request cause select register (Note 1)
Symbol
DM1SL
Address
03BA16
When reset
0016
DMA1 request cause select register (Note 1)
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 : USB0
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 : Disabled (Note 3)
1 0 0 1 1 : DMA1
1 0 1 0 0 : DMA2
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 : INT1 (falling edge)
0 0 0 1 0 : INT1 (two edges)
0 0 0 1 1 : USB1
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 : Disabled (Note 3)
1 0 1 0 0 : DMA2
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.