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6.4.1. Transfer Source End Pointer
Set the source data end address. The address of data to be transferred should be set as it is if the
transfer source ad- dress is not incremented.
6.4.2. Transfer Destination End Pointer
Set the address to which the last transfer data is written. The address for writing transfer data should be
set as it is if the transfer destination address is not incremented.
Set the DMA transfer information. Figure 6.4.3.1 shows the constituent elements of the control data.
31
30 29 28
27
26 25 24
dst_inc dst_size src_inc src_size
Set the increment value of the transfer destination address. The setting value must be equal to or
larger than the transfer data size when the address is incremented.
Table 6.4.3.1 Increment Value of Transfer Destination Address
Set the size of the data to be written to the transfer destination. It should be the same value as the
Set the increment value of the transfer source address. The setting value must be equal to or larger
than the transfer data size when the address is incremented.
Set the size of the data to be read from the transfer source. It should be the same value as the
6-4
23
22 21 20
19
18 17 16
Figure 6.4.3.1 Constituent Elements of Control Data
dst_inc
0x3
0x2
0x1
0x0
Table 6.4.3.2 Size of Data Written to Transfer Destination
dst_size
0x3
0x2
0x1
0x0
Table 6.4.3.3 Increment Value of Transfer Source Address
src_inc
0x3
0x2
0x1
0x0
Table 6.4.3.4 Size of Data Read from Transfer Source
src_size
0x3
0x2
0x1
0x0
Seiko Epson Corporation
15
14 13 12
11 10
9
R_power
n_minus_1
Increment value
No increment
+4
+2
+1
Data size
Reserved
Word
Halfword
Byte
Increment value
No increment
+4
+2
+1
Data size
Reserved
Word
Halfword
Byte
8
7
6
5
4
3
2
1
Reserved
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
0
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