Datasheet

129
SAM9261 [DATASHEET]
Atmel-6062O-ATARM-SAM9261-Datasheet_21-Jun-16
18.5.4 EBI Chip Select Assignment Register
Name: EBI_CSA
Address: 0xFFFFEE30
Access: Read/Write
• EBI_CS1A: EBI Chip Select 1 Assignment
0: EBI Chip Select 1 is assigned to the Static Memory Controller.
1: EBI Chip Select 1 is assigned to the SDRAM Controller.
• EBI_CS3A: EBI Chip Select 3 Assignment
0: EBI Chip Select 3 is only assigned to the Static Memory Controller and EBI_NCS3 behaves as defined by the SMC.
1: EBI Chip Select 3 is assigned to the Static Memory Controller and the SmartMedia Logic is activated.
• EBI_CS4A: EBI Chip Select 4 Assignment
0: EBI Chip Select 4 is only assigned to the Static Memory Controller and EBI_NCS4 behaves as defined by the SMC.
1: EBI Chip Select 4 is assigned to the Static Memory Controller and the CompactFlash Logic (first slot) is activated.
• EBI_CS5A: EBI Chip Select 5 Assignment
0: EBI Chip Select 5 is only assigned to the Static Memory Controller and EBI_NCS5 behaves as defined by the SMC.
1: EBI Chip Select 5 is assigned to the Static Memory Controller and the CompactFlash Logic (second slot) is activated.
• EBI_DBPUC: EBI Data Bus Pull-Up Configuration
0: EBI D0–D15 Data Bus bits are internally pulled up to the VDDIOM power supply.
1: EBI D0–D15 Data Bus bits are not internally pulled up.
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
––––––––
15 14 13 12 11 10 9 8
–––––––EBI_DBPUC
76543210
– – EBI_CS5A EBI_CS4A EBI_CS3A – EBI_CS1A –