MCIMX35WPDKJ Freescale Semiconductor, MCIMX35WPDKJ Datasheet - Page 54
![BOARD DEV FOR I.MX35](/photos/37/58/375859/imx35_bd_sml.jpg)
MCIMX35WPDKJ
Manufacturer Part Number
MCIMX35WPDKJ
Description
BOARD DEV FOR I.MX35
Manufacturer
Freescale Semiconductor
Series
i.MX35r
Type
MPUr
Datasheets
1.MCIMX35WPDKJ.pdf
(148 pages)
2.MCIMX35WPDKJ.pdf
(2 pages)
3.MCIMX35WPDKJ.pdf
(10 pages)
Specifications of MCIMX35WPDKJ
Contents
Module and Misc Hardware
Processor To Be Evaluated
i.MX35
Processor Series
i.MX35
Data Bus Width
32 bit
Interface Type
RS-232, Ethernet, USB, CAN, JTAG
Core
ARM11
For Use With/related Products
i.MX35
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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1
0.45 × tCK – tQHS = 0.45 × 7.5 – 0.45 = 2.925 ns.
1
54
The value was calculated for an SDCLK frequency of 133 MHz by the formula tQH = tHP – tQHS = min (tCL,tCH) – tQHS =
SD17
SD18
SD19
SD20
Test condition: Measured using delay line 5 programmed as follows: ESDCDLY5[15:0] = 0x0703.
ID
DDR24
DDR25
DDR26
ID
Write cycle DQS falling edge to SDCLK output delay time.
Write cycle DQS falling edge to SDCLK output hold time.
DQ and DQM setup time to DQS
DQ and DQM hold time to DQS
DQM (output)
DQS (output)
DQ (output)
SDCLK
SDCLK
DQS – DQ Skew (defines the Data valid window in
read cycles related to DQS).
DQS DQ in HOLD time from DQS
DQS output access time from SDCLK posedge
SDRAM CLK and DQS-related parameters are measured from the 50%
point—that is, “high” is defined as 50% of signal value and “low” is defined
as 50% of signal value. DDR SDRAM CLK parameters are measured at the
crossing point of SDCLK and SDCLK (inverted clock).
Test conditions are: Capacitance 15 pF for DDR PADS. Recommended
drive strength is Medium for SDCLK and High for Address and controls.
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 9
Table 41. Mobile DDR SDRAM Write Cycle Timing Parameters
Figure 35. Mobile DDR SDRAM Write Cycle Timing Diagram
Table 40. DDR2 SDRAM Read Cycle Parameter Table
PARAMETER
SD17
SD17
Parameter
Data
DM
1
SD18
SD18
Data
DM
NOTE
Data
SD17
DM
SD17
Symbol
Data
DM
t
t
DQSCK
DQSQ
t
QH
SD18
SD18
Data
DM
Symbol
2.925
–0.5
Data
tDSH
Min
tDSS
DM
tDS
tDH
—
SD19
DDR2-400
1
Freescale Semiconductor
Data
DM
Min.
0.95
0.95
1.8
1.8
SD20
Max
0.35
0.5
—
Data
DM
Max.
—
—
—
—
Unit
ns
ns
ns
Unit
ns
ns
ns
ns
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