IAR-KSK-IMX25 Freescale Semiconductor, IAR-KSK-IMX25 Datasheet - Page 30

• Manufacturer Part Number: IAR-KSK-IMX25
• Description: KIT DEVELOPMENT I.MX257, ARM926
• Manufacturer: Freescale Semiconductor
• Series: i.MX25r
• Type: MCUr

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

3.6.2
Table 22
30
Duty cycle
Output pad transition times (max. drive)
Output pad transition times (high drive)
Output pad transition times (standard
drive)
Output pad propagation delay (max.
drive), 50%–50%
Output pad propagation delay (high drive),
50%–50%
Output pad propagation delay (standard
drive), 50%–50%
Output pad propagation delay (max.
drive), 40%–60%
Output pad propagation delay (high drive),
40%–60%
Output pad propagation delay (standard
drive), 40%–60%
Output enable to output valid delay (max.
drive), 50%–50%
Output enable to output valid delay (high
drive), 50%–50%
Output enable to output valid delay
(standard drive), 50%–50%
Output enable to output valid delay (max.
drive), 40%–60%
Output enable to output valid delay (high
drive), 40%–60%
Output enable to output valid delay
(standard drive), 40%–60%
Output pad slew rate (max. drive)
Output pad slew rate (high drive)
Output pad slew rate (standard drive)
shows the fast I/O AC parameters for OVDD = 1.65–1.95 V.
Fast I/O AC Parameters
Parameter
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 8
Table 22. Fast I/O AC Parameters for OVDD = 1.65
Symbol
Fduty
tpo
tpo
tpo
tpo
tpo
tpo
tpv
tpv
tpv
tpv
tpv
tpv
tps
tps
tps
tpr
tpr
tpr
Condition
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
Test
—
0.88/0.77
1.45/1.24
1.10/0.92
1.84/1.54
1.60/1.35
2.74/2.26
1.64/1.53
2.15/2.01
1.82/1.71
2.46/2.29
2.24/2.06
3.17/2.92
1.67/1.58
2.09/1.98
1.94/1.73
2.34/2.22
2.15/1.99
2.94/2.74
1.87/1.70
2.36/2.16
2.05/1.88
2.68/2.45
2.49/2.25
3.40/3.08
1.90/1.74
2.30/2.13
2.06/1.90
2.56/2.37
2.39/2.18
3.16/2.89
0.40/0.57
0.25/0.36
0.38/0.48
0.20/0.30
0.23/0.32
0.13/0.20
Rise/Fall
Min.
40
1.36/1.10
2.20/1.80
1.65/1.33
2.80/2.20
2.47/1.95
4.20/3.20
2.68/2.41
3.47/3.08
2.98/2.66
3.96/3.49
3.63/3.15
5.09/4.41
2.63/2.38
3.30/2.97
2.89/2.61
3.69/3.30
3.39/2.99
4.65/4.07
3.06/2.71
3.83/3.37
3.67/2.98
4.32/3.78
4.06/3.50
5.50/4.73
3.00/2.69
3.65/3.24
3.28/2.33
4.04/3.59
3.80/3.18
5.03/4.37
0.72/0.97
0.43/0.61
0.59/0.81
0.34/0.50
0.40/0.55
0.23/0.34
Typ.
—
–
1.95 V
2.10/1.70
3.50/2.70
2.64/2.10
4.40/3.30
3.99/3.10
6.56/4.86
4.25/3.74
5.50/4.77
4.74/4.13
6.27/5.37
5.73/4.84
8.06/6.75
4.06/3.63
5.14/4.51
4.49/3.97
5.76/5.01
5.28/4.53
7.28/6.13
4.97/4.30
6.18/5.30
5.46/4.72
6.98/5.92
6.57/5.49
8.88/7.37
4.76/4.18
5.79/5.02
5.21/4.54
6.43/5.54
6.05/5.14
8.02/6.72
0.72/0.95
0.98/1.27
0.56/0.72
0.66/0.87
0.38/0.52
Rise/Fall
1.2/1.5
Max.
60
Freescale Semiconductor
Units
V/ns
V/ns
V/ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
Notes
—
1
1
1
1
1
2