Digi NS9750 - Manual (Page 158)

S t a t i c m e m o r y c o n t r o l l e r
1 3 4 N S 9 7 5 0 H a r d w a r e R e f e r e n c e
Figure 47: External memory page mode read transfer timing diagram
Timing parameter Value
WAITRD 2
WAITOEN 0
WAITPAGE 1
WAITWR N/A
WAITWEN N/A
WAITTURN N/A
Table 61: Static memory timing parameters
Cycle Description
T0 AHB address provided to memory controller.
T0-T1 AHB transaction processing.
T1-T4 Arbitration of AHB memory ports.
T4-T5 Static memory transfer 0, address, chip select, and control signals
submitted to static memory.
T5-T6 Read wait state 1.
T6-T7 Read wait state 2.
T7-T8 Read data 0 returned from static memory.
Read data is provided to the AHB.
Static memory transfer 1, address, chip select, and control signals
submitted to static memory.
Table 62: External memory page mode read
ADDR
DATAIN
SCTSOUT_n
OEOUT_n
A A+4
D(A)
D(A+4) D(A+8)
A+8
clk_out
T0 T1 T2 T3 T4 T5 T6 T7 T12 T10 T11 T8 T9