25
6174B–ATARM–07-Nov-05
AT91FR40162S Preliminary
shows how to connect a 16-bit device with byte and half-word access (e.g. 16-bit
SRAM) on NCS2.
Figure 10-7. Connection for a 16-bit Data Bus with Byte and Half-word Access
shows how to connect a 16-bit device without byte access (e.g. Flash) on NCS2.
Figure 10-8. Connection for a 16-bit Data Bus without Byte Write Capability.
EBI
D0 - D7
D8 - D15
A1 - A19
NLB
NWE
NOE
NCS2
D0 - D7
D8 - D15
A0 - A18
Low Byte Enable
Write Enable
Output Enable
Memory Enable
NUB
High Byte Enable
EBI
D0 - D7
D8 - D15
A1 - A19
NLB
NWE
NOE
NCS2
D0 - D7
D8 - D15
A0 - A18
Write Enable
Output Enable
Memory Enable
NUB