Datasheet

437
SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
Figure 25-15. Early Read Wait State: NCS Controlled Write with No Hold Followed by a Read with No NCS Setup
Figure 25-16. Early Read Wait State: NWE-controlled Write with No Hold Followed by a Read with one Set-up Cycle
write cycle
(WRITE_MODE = 0)
Early Read
wait state
MCK
NRD
NCS
read cycle
(READ_MODE = 0 or READ_MODE = 1)
no setup
no hold
D[15:0]
NBS0, NBS1,
A0,A1
A[23:2]
A [23:2]
NBS0, NBS1,
A0, A1
write cycle
(WRITE_MODE = 1)
Early Read
wait state
MCK
NRD
internal write controlling signal
external write controlling signal
(NWE)
D[15:0]
read cycle
(READ_MODE = 0 or READ_MODE = 1)
no hold
read setup = 1