Filter
Top Products
iv PXA250 and PXA210 Applications Processors Design Guide
Contents
5 MultiMediaCard (MMC)...............................................................................................................5-1
5.1 Schematics ........................................................................................................................5-1
5.1.1 Signal Description.................................................................................................5-1
5.1.2 How to Wire ..........................................................................................................5-2
5.1.2.1 SDCard Socket .....................................................................................5-4
5.1.2.2 MMC Socket .........................................................................................5-4
5.1.3 Simplified Schematic ............................................................................................5-5
5.1.4 Pull-up and Pull-down...........................................................................................5-6
5.2 Utilized Features................................................................................................................5-6
6 AC97 ............................................................................................................................................6-1
6.1 Schematics ........................................................................................................................6-1
6.2 Layout................................................................................................................................6-2
7I2C................................................................................................................................................7-1
7.1 Schematics ........................................................................................................................7-1
7.1.1 Signal Description.................................................................................................7-1
7.1.2 Digital-to-Analog Converter (DAC) .......................................................................7-2
7.1.3 Other Uses of I2C .................................................................................................7-2
7.1.4 Pull-Ups and Pull-Downs......................................................................................7-3
7.2 Utilized Features................................................................................................................7-4
8 Power and Clocking ...................................................................................................................8-1
8.1 Operating Conditions.........................................................................................................8-1
8.2 Electrical Specifications.....................................................................................................8-2
8.3 Power Consumption Specifications ...................................................................................8-2
8.4 Oscillator Electrical Specifications.....................................................................................8-4
8.4.1 32.768 kHz Oscillator Specifications ....................................................................8-4
8.4.2 3.6864 MHz Oscillator Specifications ...................................................................8-5
8.5 Reset and Power AC Timing Specifications ......................................................................8-6
8.5.1 Power Supply Connectivity ...................................................................................8-6
8.5.2 Power On Timing ................................................................................................8-11
8.5.3 Hardware Reset Timing......................................................................................8-12
8.5.4 Watchdog Reset Timing .....................................................................................8-13
8.5.5 GPIO Reset Timing.............................................................................................8-13
8.5.6 Sleep Mode Timing.............................................................................................8-14
8.6 Memory Bus and PCMCIA AC Specifications .................................................................8-15
8.7 Example Form Factor Reference Design Power Delivery Example ................................8-20
8.7.1 Power System.....................................................................................................8-20
8.7.1.1 Power System Configuration ..............................................................8-21
8.7.2 CORE Power ......................................................................................................8-22
8.7.3 PLL Power ..........................................................................................................8-22
8.7.4 I/O 3.3 V Power ..................................................................................................8-23
8.7.5 Peripheral 5.5 V Power.......................................................................................8-23
9 JTAG/Debug Port........................................................................................................................9-1
9.1 Description.........................................................................................................................9-1
9.2 Schematics ........................................................................................................................9-1
9.3 Layout................................................................................................................................9-2
A SA-1110/Applications Processor Migration............................................................................ A-1