R01UH0822EJ0100 Rev.1.00
Page 252 of 1041
Jul 31, 2019
RX13T Group
16. Data Transfer Controller (DTCb)
16.2.4
DTC Transfer Source Register (SAR)
SAR register 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 register cannot be accessed directly from the CPU.
16.2.5
DTC Transfer Destination Register (DAR)
DAR register 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 register cannot be accessed directly from the CPU.
Address(es): (inaccessible directly from the CPU)
b31
b30
b29
b28
b27
b26
b25
b24
b23
b22
b21
b20
b19
b18
b17
b16
Value after reset:
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Value after reset:
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x: Undefined
Address(es): (inaccessible directly from the CPU)
b31
b30
b29
b28
b27
b26
b25
b24
b23
b22
b21
b20
b19
b18
b17
b16
Value after reset:
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Value after reset:
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x: Undefined