Service Manual
Baseband Section
9
3.2.2
External Memory
OMAP5912 provides two types of external memory interfaces: external memory interface slow (EMIFS)
and external memory interface fast (EMIFF).
OM AP5912
EM IFF
EM IFS
SDRAM.A[0:12]
FLASH.A[24:1]
SDRAM.D[0:15]
FLASH.A[15:0]
SDRAM.BA0
SDRAM .BA1
SDRAM.CAS#
FLASH.CS3#
SDRAM .RAS#
RST_OUT#
SDRAM.CKE#
SDRAM.CLK#
SDRAM.CS#
SDRAM.W E#
SDRAM.DQML
SDRAM.DQMU
A[0:12]
D[0:15]
BA0
BA1
CAS#
RAS#
CKE
CLK
CS#
WE#
LDQM
ULQM
TV00570002CDGB
A[23:0]
DQ[15:0]
OE#
W E#
Cef#
RESET#
W P#/ACC
RY/Byf#
FLASH.W P#
FLASH.RDY
FLASH.OE#
FLASH.W E#
MT48H8M16LFB4-75
Figure 3-5 Diagram of External Memory
EMIFS
EMIFS is a 16-bit interface, and provides four 64MB chip selects (CS0~CS3). The interface supports
memories such as NAND Flash, NOR Flash and SRAM.
EMIFF
EMIFF is a 16-bit interface, and supports SDRAM (up to 128MB), mobile SDRAM and mobile DDR.
Содержание PD70X Series
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Страница 18: ...Baseband Section Service Manual 8 Figure 3 3 Diagram of OMAP5912 Figure 3 4 Diagram of Overall Scheme ...
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Страница 398: ...UHF5 806 941MHz Information Service Manual 388 10 8 Troubleshooting Flow Chart Receiver Circuit ...
Страница 401: ...Service Manual UHF5 806 941MHz Information 391 Transmitter Circuit ...
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Страница 506: ...Packing Guide Service Manual 496 14 Packing Guide This section takes PD78X PD78XG HD785 HD785G for example ...