Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD Data Sheet
Product codes
AT32UC3A3-XPLD
213
32072H–AVR32–10/2012
AT32UC3A3
15.7.1
Setup Register
Register Name:
SETUP
Access Type:
Read/Write
Offset:
0x00 + CS_number*0x10
Reset Value:
0x01010101
• NCSRDSETUP: NCS Setup Length in READ Access
In read access, the NCS signal setup length is defined as:
• NRDSETUP: NRD Setup Length
The NRD signal setup length is defined in clock cycles as:
• NCSWRSETUP: NCS Setup Length in WRITE Access
In write access, the NCS signal setup length is defined as:
• NWESETUP: NWE Setup Length
The NWE signal setup length is defined as:
31
30
29
28
27
26
25
24
–
–
NCSRDSETUP
23
22
21
20
19
18
17
16
–
–
NRDSETUP
15
14
13
12
11
10
9
8
–
–
NCSWRSETUP
7
6
5
4
3
2
1
0
–
–
NWESETUP
NCS Setup Length in read access
128
NCSRDSETUP
5
[ ] NCSRDSETUP
4:0
[
]
+
×
(
)
clock cycles
=
NRD Setup Length
128
NRDSETUP
5
[ ] NRDSETUP
4:0
[
]
+
×
(
)
clock cycles
=
NCS Setup Length in write access
128
NCSWRSETUP
5
[ ] NCSWRSETUP
4:0
[
]
+
×
(
)
clock cycles
=
NWE Setup Length
128
NWESETUP
5
[ ] NWESETUP
4:0
[
]
+
×
(
)
clock cycles
=