NNDK-MOD5272-KIT NetBurner Inc, NNDK-MOD5272-KIT Datasheet - Page 215
NNDK-MOD5272-KIT
Manufacturer Part Number
NNDK-MOD5272-KIT
Description
KIT DEVELOP NETWORK FOR MOD5272
Manufacturer
NetBurner Inc
Series
ColdFire®r
Datasheets
1.MOD5272-100IR.pdf
(2 pages)
2.MOD5272-100IR.pdf
(550 pages)
3.NNDK-MOD5282-KIT.pdf
(2 pages)
Specifications of NNDK-MOD5272-KIT
Main Purpose
*
Embedded
*
Utilized Ic / Part
MOD5272
Primary Attributes
*
Secondary Attributes
*
Processor To Be Evaluated
MOD5272
Interface Type
RS-232, RS-485, USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Other names
528-1001
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MOTOROLA
Figure 9-14 shows the timing for entering SDRAM self-refresh mode. During a
PRECHARGE ALL
back into the SDRAM array. The SDTR[RP] value determines the number of dead cycles
after a precharge. Note that auto refresh occurs in T3. SDTR[RC] determines the number
of clock cycles the SDRAM remains in refresh state, during which time it cannot accept
other commands.
A10_PRECHG
SDADR[13:0]
SDBA[1:0]
SDCLKE
SDCLK
SDWE
SDCS
RAS0
CAS0
(H)
command (T1), the SDRAM writes all of its on-chip RAM page buffers
T0
Precharge
All Banks
T1
Figure 9-13. SDRAM Refresh Cycle
Chapter 9. SDRAM Controller
T2
NOP
T3
Refresh
Auto
T4
T5
T6
t
RC
T7
SDRAM Interface
Next Command
T8
T9
9-21
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