
Specifications in this manual are tentative and subject to change
Rev. E
MITSUBISHI MICROCOMPUTERS
M30245 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
DMAC
102
Figure 1.71. DMAC register (1)
Bit Symbol
Bit Name
Function
R W
DSEL0
DSEL1
DSEL2
DSEL3
DSEL4
b4 b3 b2 b1 b0
0 0 0 0 0 : 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
1 0 0 1 1 : DMA1
1 0 1 0 0 : DMA2
1 0 1 0 1 : DMA3
1 0 1 1 0 : Disabled
1 0 1 1 1 : Disabled
1 1 x x x : Disabled
O O
Symbol
DM0SL
Address
03B8
16
When reset
00
16
DMA0 request cause select register (Note)
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.
Bit Symbol
Bit Name
Function
R W
DSEL0
DSEL1
DSEL2
DSEL3
DSEL4
b4 b3 b2 b1 b0
0 0 0 0 0 : 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
1 0 1 0 0 : DMA2
1 0 1 0 1 : DMA3
1 0 1 1 0 : Disabled
1 0 1 1 1 : Disabled
1 1 x x x : Disabled
O O
Symbol
DM1SL
Address
03BA
16
When reset
00
16
DMA1 request cause select register (Note)
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: Software is always enabled.