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i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 9

46 Freescale Semiconductor

3.7.2.2 Multiword DMA (MDMA) Mode Timing

Figure 13 and Figure 14 show the timing for MDMA read and write modes, respectively.

Figure 13. MDMA Read Mode Timing

Figure 14. MDMA Write Mode Timing

ADDR

(See note 1)

DIOR

READ Data(15:0)

DMARQ

DMACK

tm td tk tkjn

tgr tfr

tk1

ADDR

(See note 1)

DIOW

Write Data(15:0)

DMARQ

DMACK

tkjn

tk1

buffer_en

tm ton td1 tk td toff

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 152 153

Processor for 1
Consumer and 1
Industrial Products 1
2 Freescale Semiconductor 2
1.1 Ordering Information 3
1.2 Block Diagram 5
2Features 6
3 Electrical Characteristics 11
3.1.6 Power Modes 14
3.2.1 Power-Up Sequence 16
3.2.2 Power-Down Sequence 17
3.3 Power Characteristics 18
3.4 Thermal Characteristics 19
3.5 I/O DC Parameters 20
1.8V (± 5%) applications 21
3.5.2 GPIO I/O DC Parameters 23
Freescale Semiconductor 25 25
3.6.1 Slow I/O AC Parameters 26
3.6.2 Fast I/O AC Parameters 29
3.6.3 DDR I/O AC Parameters 32
3.7.2 ATA Timing Parameters 43
46 Freescale Semiconductor 46
48 Freescale Semiconductor 48
50 Freescale Semiconductor 50
CH 0.45 0.55 tCK 62
CL 0.45 0.55 tCK 62
CK 7.5 8 ns 62
CK, CK Differential Slew Rate 63
DQS (output) 64
DQ (output) 64
DQM (output) 64
DQS (input) 65
DQ (input) 65
≈ 33 MHz 67
(continued) 68
WSC=1, EBWA=1, EBWN=1, LBN=1 71
WSC=2, SYNC=1, DOL=0 72
WSC=7, LBA=1, LBN=1, LAH=1 73
74 Freescale Semiconductor 74
Figure 49. DTACK Read Access 76
Addr. V1 76
80 Freescale Semiconductor 80
Figure 54. eSDHCv2 Timing 84
3.7.9.1 FEC MII Mode Timing 85
3.7.9.3 RMII Mode Timing 88
VOH 2— Vcc 89
VOL —0.8 — V 89
VIH 0.8 × Vcc 89
VIL —0.4 — V 89
C) Timing 91
Figure 67. PWM Timing 95
3.7.14.1 SIM Reset Sequences 97
100 Freescale Semiconductor 100
102 Freescale Semiconductor 102
3.7.18.2 ADC Timing Diagrams 111
Figure 82. Start-up Sequence 112
Freescale Semiconductor 113 113
3.7.19 UART Timing 114
3.7.20 USBOTG Timing 117
USB_DAT_VP 118
USB_SE0_VM 118
USB_TXOE_B 118
bidirectional mode signals 120
Case 17x17 mm, 0.8 mm Pitch 125
138 Freescale Semiconductor 138
Case 12x12 mm, 0.5 mm Pitch 139
5 Revision History 151
How to Reach Us: 153

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