i.MX53 System Development User’s Guide, Rev. 2
Freescale Semiconductor xi
Figures
Figure
Number Title
Page
Number
Figures
1-1 Boot Configuration Bus Isolation Resistors............................................................................ 1-8
2-1 i.MX53 Ball-Grid Array ......................................................................................................... 2-1
2-2 i.MX53 Package Information.................................................................................................. 2-2
2-3 i.MX53 Fanouts....................................................................................................................... 2-3
2-4 Layer Stack ............................................................................................................................. 2-4
2-5 Stackup Requirements............................................................................................................. 2-4
2-6 Connection Between i.MX53 and DDR2 and DDR3 ............................................................. 2-5
2-7 Final Placement of Memories and Decoupling Capacitors..................................................... 2-6
2-8 Topology for ADDR/CMD/CTRL Signals ............................................................................. 2-9
2-9 Topology of Data Group, Point-to-Point Connection ........................................................... 2-10
2-10 Topology for Data Bus of Two Byte Groups by Memory..................................................... 2-10
2-11 Clock Routing Topology ....................................................................................................... 2-11
2-12 ADDR/CMD Signal Routing ................................................................................................ 2-11
2-13 CTRL Signal Topology ......................................................................................................... 2-12
2-14 Data Bus Routing Topology.................................................................................................. 2-12
2-15 Clock Routing Topology ....................................................................................................... 2-12
2-16 Top DDR2 Routing .............................................................................................................. 2-13
2-17 Internal 1 DDR2 Routing...................................................................................................... 2-14
2-18 Power Plane 1 DDR2 Routing ............................................................................................. 2-15
2-19 Power Plane 2 DDR2 Routing ............................................................................................. 2-16
2-20 Internal 2 DDR2 Routing ..................................................................................................... 2-17
2-21 Bottom DDR2 Routing ........................................................................................................2-18
2-22 Top 8-DDR3 Routing ........................................................................................................... 2-21
2-23 Internal 1 8-DDR3 Routing ..................................................................................................2-22
2-24 Power Plane 1 8-DDR3 Routing .......................................................................................... 2-23
2-25 Power Plane 2 8-DDR3 Routing ........................................................................................... 2-24
2-26 Internal 2 8-DDR3 Routing ..................................................................................................2-25
2-27 Bottom 8-DDR3 Routing ..................................................................................................... 2-26
2-28 Microstrip and Stripline Differential Pair Dimensions ......................................................... 2-29
2-29 Differential Pair Routing....................................................................................................... 2-29
3-1 Model IV Keywords’ Structure............................................................................................... 3-4
3-2 Model Data Interpretation....................................................................................................... 3-6
3-3 Generic Test Load Network ....................................................................................................3-7
4-1 Internal LDOs ......................................................................................................................... 4-2
4-2 Power-up Sequence................................................................................................................. 4-3
4-3 Power Connections.................................................................................................................. 4-6
4-4 Communication Signal Connections....................................................................................... 4-7
4-5 Interface Power-up Sequence (DA9053)................................................................................. 4-8
4-6 Power-up Sequence................................................................................................................. 4-9
4-7 Power Connections Block (LT3481)..................................................................................... 4-12
4-8 Power Connections Block, cont. (LTC3589-1)..................................................................... 4-13