Техническая Спецификация для Atmel Evaluation Kit for AT32uC3A0512, 32-Bit AVR Microcontroller Atmel ATEVK1105 ATEVK1105
Модели
ATEVK1105
427
AT32UC3A
28.8.3
SDRAMC Configuration Register
Register Name
:
CR
Access Type
:
Read/Write
Reset Value
:
0x852372C0
•
NC: Number of Column Bits
Reset value is 8 column bits.
•
NR: Number of Row Bits
Reset value is 11 row bits.
•
NB: Number of Banks
Reset value is two banks.
31
30
29
28
27
26
25
24
TXSR
TRAS
23
22
21
20
19
18
17
16
TRCD
TRP
15
14
13
12
11
10
9
8
TRC
TWR
7
6
5
4
3
2
1
0
DBW
CAS
NB
NR
NC
NC
Column Bits
0
0
8
0
1
9
1
0
10
1
1
11
NR
Row Bits
0
0
11
0
1
12
1
0
13
1
1
Reserved
NB
Number of Banks
0
2
1
4
32058K
AVR32-01/12