CHAPTER 5 MEMORY ACCESS CONTROL FUNCTION
171
User’s Manual U14359EJ4V0UM
15
REN1
RFS1
Address
FFFFF4A6H
After reset
0000H
14
0
13
0
12
0
11
0
10
0
9
RCC11
8
RCC01
7
0
6
0
5
RIN51
4
RIN41
3
RIN31
2
RIN21
1
RIN11
0
RIN01
REN3
RFS3
FFFFF4AEH
0000H
0
0
0
0
0
RCC13 RCC03
0
0
RIN53 RIN43 RIN33 RIN23 RIN13 RIN03
REN4
RFS4
FFFFF4B2H
0000H
0
0
0
0
0
RCC14 RCC04
0
0
RIN54 RIN44 RIN34 RIN24 RIN14 RIN04
REN6
RFS6
FFFFF4BAH
0000H
0
0
0
0
0
RCC16 RCC06
0
0
RIN56 RIN46 RIN36 RIN26 RIN16 RIN06
Bit position
Bit name
Function
15
RENn
(n = 1, 3,
4, 6)
Refresh Enable
Specifies whether CBR refresh is enabled or disabled.
0: Refresh disabled
1: Refresh enabled
Refresh Count Clock
Specifies the refresh count clock (T
RCY
)
RCC1n RCC0n
Refresh count clock (T
RCY
)
0
0
32/f
XX
0
1
128/f
XX
1
0
256/f
XX
1
1
Setting prohibited
9, 8
RCC1n,
RCC0n
(n = 1, 3,
4, 6)
Refresh Interval
Sets the interval factor of the interval timer for the generation of the refresh timing.
RIN5n
RIN4n
RIN3n
RIN2n
RIN1n
RIN0n
Interval factor
0
0
0
0
0
0
1
0
0
0
0
0
1
2
0
0
0
0
1
0
3
0
0
0
0
1
1
4
:
:
:
:
:
:
:
1
1
1
1
1
1
64
5 to 0
RIN5n to
RIN0n
(n = 1, 3,
4, 6)
Remark
f
XX
: Internal system clock