RX610 Group
13. Data Transfer Controller (DTC)
R01UH0032EJ0120 Rev.1.20
Page 339 of 1006
Feb 20, 2013
CHNS Bit (DTC Chain Transfer Select)
The CHNS bit selects the chain transfer condition.
When the next transfer is chain transfer, completion of specified transfer count is not checked and the startup source flag
is not cleared. Moreover, an interrupt request to the CPU is not generated.
CHNE Bit (DTC Chain Transfer Enable)
The CHNE bit enables or disables chain transfer.
The chain transfer condition is selected by the CHNS bit.
For details of chain transfer, see section 13.4.6, Chain Transfer.
13.2.3
DTC Source Address register (SAR)
Address (inaccess ble directly from the CPU)
b4
b15
b8
b7
b3
b2
b1
b0
b14
b13
b12
b11
b10
b9
b6
b5
Value after reset:
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Value after reset:
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
b20
b31
b24
b23
b19
b18
b17
b16
b30
b29
b28
b27
b26
b25
b22
b21
[Legend] x: Undefined
SAR is used to set the transfer source start address.
In full-address mode, 32 bits are valid.
In short-address mode, lower 24 bits are valid and upper 8 bits (b31 to b24) are ignored. The address of this register is
extended by the value specified by b23.
SAR cannot be accessed directly from the CPU.
13.2.4
DTC Destination Address Register (DAR)
Address (inaccessible directly from the CPU)
b4
b15
b8
b7
b3
b2
b1
b0
b14
b13
b12
b11
b10
b9
b6
b5
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
b20
b31
b24
b23
b19
b18
b17
b16
b30
b29
b28
b27
b26
b25
b22
b21
[Legend] x: Undefined
Value after reset:
Value after reset:
DAR is used to set the transfer destination start address.
In full-address mode, 32 bits are valid.
In short-address mode, lower 24 bits are valid and upper 8 bits (b31 to b24) are ignored. The address of this register is
extended by the value specified by b23.
DAR cannot be accessed directly from the CPU.