IAR-KSK-IMX25 Freescale Semiconductor, IAR-KSK-IMX25 Datasheet - Page 46
![KIT DEVELOPMENT I.MX257, ARM926](/photos/37/58/375862/imx25kbsbd_sml.jpg)
IAR-KSK-IMX25
Manufacturer Part Number
IAR-KSK-IMX25
Description
KIT DEVELOPMENT I.MX257, ARM926
Manufacturer
Freescale Semiconductor
Series
i.MX25r
Type
MCUr
Datasheets
1.MCIMX25WPDKJ.pdf
(2 pages)
2.IAR-KSK-IMX25.pdf
(154 pages)
3.IAR-KSK-IMX25.pdf
(2 pages)
4.IAR-KSK-IMX25.pdf
(57 pages)
Specifications of IAR-KSK-IMX25
Contents
Board, Cables, CD, Debugger, Power Supply
Processor To Be Evaluated
I.MX257
Processor Series
i.MX25
Data Bus Width
16 bit
Interface Type
UART, JTAG, USB, Ethernet, SD/MMC
Core
ARM926EJ-S
Silicon Manufacturer
Freescale
Core Architecture
ARM
Core Sub-architecture
ARM9
Silicon Core Number
I.MX2
Silicon Family Name
I.MX25
Mcu Supported Families
I.MX25
For Use With/related Products
i.MX25
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- MCIMX25WPDKJ PDF datasheet
- IAR-KSK-IMX25 PDF datasheet #2
- IAR-KSK-IMX25 PDF datasheet #3
- IAR-KSK-IMX25 PDF datasheet #4
- Current page: 46 of 154
- Download datasheet (2Mb)
To meet PIO read mode timing requirements, a number of timing parameters must be controlled.
shows timing parameters and their determining relations, and indicates parameters that can be adjusted to
meet required conditions.
1
Figure 12
46
Parameter
See
ATA
trd
tA
t1
t2
t9
t5
t6
t0
Figure
gives timing waveforms for PIO write mode.
Mode Timing
11.
Parameter
PIO Read
trd1
t2r
tA
—
t1
t9
t5
t6
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 8
1
t1(min.) = time_1 × T – (tskew1 + tskew2 + tskew5)
t2(min.) = time_2r × T – (tskew1 + tskew2 + tskew5)
t9(min.) = time_9 × T – (tskew1 + tskew2 + tskew6)
t5(min.) = tco + tsu + tbuf + tbuf + tcable1 + tcable2
0
tA(min.) = (1.5 + time_ax) × T – (tco + tsui + tcable2 + tcable2 + 2 × tbuf)
trd1(max.) = (–trd) + (tskew3 + tskew4)
trd1(min.) = (time_pio_rdx – 0.5) × T – (tsu + thi)
(time_pio_rdx – 0.5) × T > tsu + thi + tskew3 + tskew4
t0(min.) = (time_1 + time_2 + time_9) × T
Write Data(15:0)
ADDR
(See note 1)
buffer_en
Table 36. Timing Parameters for PIO Read Mode
DIOR
DIOW
IORDY
IORDY
Figure 12. PIO Write Mode Timing
t1
Relation
ton
tA
t2w
tB
t4 toff
t9
t1
If not met, increase time_2
time_1, time_2r, time_9
Freescale Semiconductor
Adjustable Parameter
time_pio_rdx
time_ax
time_2r
time_9
time_1
—
Table 36
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