MCIMX50 Datasheet, PDF (66/134 Pages) Freescale Semiconductor, Inc – i.MX50 Applications Processors for Consumer Products

Electrical Characteristics
EIM_CSx
EIM_ADDR
EIM_RW
EIM_LBA
EIM_OE
EIM_EBx
EIM_DATA
WE31
Last Valid Address
WE33
WE39
Address V1
WE32
WE34
WE40
Next Address
WE45
WE46
WE42
WE41
D(V1)
Figure 26. Asynchronous Memory Write Access
EIM_CSx
EIM_ADDR
WE31
Last Valid Address
Address V1
WE32
Next Address
EIM_RW
EIM_LBA
EIM_OE
EIM_EBx
EIM_DATA
WE39
WE35
WE37
WE43
WE40
WE36
WE38
D(V1)
WE44
WE48
EIM_DTACK
WE47
Figure 27. DTACK Read Access
Table 43. EIM Asynchronous Timing Parameters Table Relative Chip Select
ID
Parameter
Determination by
Synchronous Measured
Parameters ¹
WE31 EIM_CSx valid to Address valid
WE32 Address invalid to EIM_CSx invalid
WE4 – WE6 – CSA²
WE7 – WE5 – CSN³
WE33 EIM_CSx valid to EIM_RW valid
WE8 – WE6 + (WEA – CSA)
Min
Max
Unit
—
3 – CSA
ns
—
3 – CSN
ns
—
3 + (WEA – CSA) ns
i.MX50 Applications Processors for Consumer Products, Rev. 2
66
Freescale Semiconductor