RX610 Group
11. Buses
R01UH0032EJ0120 Rev.1.20
Page 274 of 1006
Feb 20, 2013
Bit
Symbol
Bit Name
Description
R/W
b18 to b16 RDON[2:0]
RD Assert Wait Select
b18
b16
0 0 0: No wait is inserted.
0 0 1: Wait with a length of 1 clock cycle is inserted.
0 1 0: Wait with a length of 2 clock cycles is inserted.
0 1 1: Wait with a length of 3 clock cycles is inserted.
1 0 0: Wait with a length of 4 clock cycles is inserted.
1 0 1: Wait with a length of 5 clock cycles is inserted.
1 1 0: Wait with a length of 6 clock cycles is inserted.
1 1 1: Wait with a length of 7 clock cycles is inserted.
R/W
b19
Reserved
This bit is always read as 0. The write value should always
be 0.
R/W
b22 to b20 WRON[2:0]
WR Assert Wait Select
b22
b20
0 0 0: No wait is inserted.
0 0 1: Wait with a length of 1 clock cycle is inserted.
0 1 0: Wait with a length of 2 clock cycles is inserted.
0 1 1: Wait with a length of 3 clock cycles is inserted.
1 0 0: Wait with a length of 4 clock cycles is inserted.
1 0 1: Wait with a length of 5 clock cycles is inserted.
1 1 0: Wait with a length of 6 clock cycles is inserted.
1 1 1: Wait with a length of 7 clock cycles is inserted.
R/W
b23
Reserved
This bit is always read as 0. The write value should always
be 0.
R/W
b26 to b24 WDON[2:0]
Write Data Output Wait
Select
b26
b24
0 0 0: No wait is inserted.
0 0 1: Wait with a length of 1 clock cycle is inserted.
0 1 0: Wait with a length of 2 clock cycles is inserted.
0 1 1: Wait with a length of 3 clock cycles is inserted.
1 0 0: Wait with a length of 4 clock cycles is inserted.
1 0 1: Wait with a length of 5 clock cycles is inserted.
1 1 0: Wait with a length of 6 clock cycles is inserted.
1 1 1: Wait with a length of 7 clock cycles is inserted.
R/W
b27
Reserved
This bit is always read as 0. The write value should always
be 0.
R/W
b30 to b28 CSON[2:0]
CS Assert Wait Select
b30
b28
0 0 0: No wait is inserted.
0 0 1: Wait with a length of 1 clock cycle is inserted.
0 1 0: Wait with a length of 2 clock cycles is inserted.
0 1 1: Wait with a length of 3 clock cycles is inserted.
1 0 0: Wait with a length of 4 clock cycles is inserted.
1 0 1: Wait with a length of 5 clock cycles is inserted.
1 1 0: Wait with a length of 6 clock cycles is inserted.
1 1 1: Wait with a length of 7 clock cycles is inserted.
R/W
b31
Reserved
This bit is always read as 0. The write value should always
be 0.
R/W
CSiWCNT2 is used to select the number of wait cycles of each area in the external address space.