AT91SAM9263 Datasheet, PDF (155/1029 Pages) ATMEL Corporation – Thumb Microcontrollers

AT91SAM9263 Preliminary
19.6.3 EBI1 Chip Select Assignment Register
Register Name:
EBI1_CSA
Access Type:
Read/Write
Reset:
0x0001_0000
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
VDDIOMSEL
15
14
13
12
11
10
–
–
–
–
–
–
9
8
–
EBI1_DBPUC
7
6
5
4
3
2
1
0
–
–
–
–
EBI1_CS2A
–
EBI1_CS1A
–
• EBI1_CS1A: EBI1 Chip Select 1 Assignment
0 = EBI1 Chip Select 1 is assigned to the Static Memory Controller.
1 = EBI1 Chip Select 1 is assigned to the SDRAM Controller.
• EBI1_CS2A: EBI1 Chip Select 2 Assignment
0 = EBI1 Chip Select 2 is only assigned to the Static Memory Controller and EBI1_NCS2 behaves as defined by the SMC.
1 = EBI1 Chip Select 2 is assigned to the Static Memory Controller and the SmartMedia Logic is activated.
• EBI1_DBPUC: EBI1 Data Bus Pull-Up Configuration
0 = EBI1 D0 - D15 Data Bus bits are internally pulled-up to the VDDIOM1 power supply.
1 = EBI1 D0 - D15 Data Bus bits are not internally pulled-up.
• VDDIOMSEL: Memory voltage selection
0 = Memories are 1.8V powered.
1 = Memories are 3.3V powered.
6249B–ATARM–14-Dec-06
155