User manual
...the world's most energy friendly microcontrollers
2012-04-24 - Giant Gecko Family - d0053_Rev0.96 226
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14.5.19 EBI_PAGECTRL - Page Control Register
Offset Bit Position
0x048
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset
0x00
0x7
0
0x0
Access
RW
RW
RW
RW
Name
KEEPOPEN
RDPA
INCHIT
PAGELEN
Bit Name Reset Access Description
31:27 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
26:20 KEEPOPEN 0x00 RW Maximum Page Open Time.
Sets the maximum number of consecutive cycles a page can be considered open. Needs to be larger than 0 in order to be able
to benefit from RDPA timing.
19:11 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
10:8 RDPA 0x7 RW Page Read Access Time
Sets the number of cycles needed for intrapage page access time. If set to 0, 1 cycle is inserted by HW.
7:5 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
4 INCHIT 0 RW Intrapage hit only on incremental addresses
Sets whether page hits occur on any member in a page or only on incremental addresses.
3:2 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
1:0 PAGELEN 0x0 RW Page Length
Sets the page length.
Value Mode Description
0 MEMBER4 4 members in a page.
1 MEMBER8 8 members in a page.
2 MEMBER16 16 members in a page.
3 MEMBER32 32 members in a page.
14.5.20 EBI_NANDCTRL - NAND Control Register
Offset Bit Position
0x04C
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset
0x0
0
Access
RW
RW
Name
BANKSEL
EN
Bit Name Reset Access Description
31:6 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
5:4 BANKSEL 0x0 RW NAND Flash Bank
This field sets the Memory Bank which is connected to a NAND Flash device
Value Mode Description
0 BANK0 Memory bank 0 is connected to a NAND Flash device.
1 BANK1 Memory bank 1 is connected to a NAND Flash device.