Dma Request Extended Cause Register - Mitsubishi 32172 User Manual

9

9.2.2 DMA Request Extended Cause Register

DMA0 Request Extended Cause Register (DM0REQ)
D0
D Bit Name
0-3 No functions assigned
4-7 REQESEL0
(Selects DMA0 request
extended cause)
All DMA1 transfers
completed
TID0_udf,ovf
TID1_udf,ovf
TIN16
TIN0A
SIO2-TXD
SIO7-TXD
Figure 9.2.3 Block Diagram of the DMA0 Request Extended Cause
1 2 3
Function
0000: All DMA1 transfers completed
0001: TID0_udf,ovf
0010: TID1_udf,ovf
0011: TIN16 input signal
0100: TIN0A input signal
0101: Serial I/O-2 (transmit buffer empty)
0110: Serial I/O-7 (transmit buffer empty)
0111: No selection
1xxx: No selection
DM0REQ <H'0080 0416>
REQESEL0
Software start
One DMA2 transfer completed
A-D conversion completed
TOM00_udf
S
9-18
9.2 DMAC Related Registers
<Address: H'0080 0416>
4 5 6
REQESEL0
<H'0080 0410>
DM0CNT
REQSL0
S
DMAC
D7
<When reset: H'00>
R W
0 –
DMA0
Rev.1.0