Intel DBPXA210, DBPXA250 13. VCC Core Voltage Change

20 DBPXA250 and DBPXA210 Development Platforms Specification Update

Intel® DCPXA250 Processor Card

13. VCC Core Voltage Change

Problem: VCC core voltage requires change.

Implication: Unstable operation at 400 MHz.

Workaround: Update U4 CPLD with latest code. Refer to http://developer.intel.com.

Status: Plan Fix

Board Rev: Rev C & Rev D cards

Contents

Main DBPXA250 and DBPXA210 Development Platforms Specification Update Page Page DBPXA250 and DBPXA210 Development Platforms Specification Update 5 Revision History Preface Affected Documents/Related Documents Nomenclature 8DBPXA250 and DBPXA210 Development Platforms Specification Update Preface Name of the card 16-Bit Processor Revision Letter (A) Card Serial Number General Information Figure 2. Intel DCPXA210 Processor Card Markings Figure 1 and Figure 2 show the markings for the DCPXA250 and DCPXA210 processor cards. Figure 1. Intel DCPXA250 Processor Card Markings Name of the card 32-Bit Processor Revision Letter (C/D) Card Serial Numbe Summary of Changes Codes Used in Summary Table 10 DBPXA250 and DBPXA210 Development Platforms Specification Update DBPXA250 and DBPXA210 Development Platforms Specification Update 11 Summary of Changes Intel BBPXA2xx Development Baseboard 10. UCB1400 Generates Interrupts Incorrectly 11. USB Cable Attach/Detach Detection Interrupt Is Constantly Asserted 12. 100-MHz SDRAM Failure 14. LCD Touch Screen Intermittently Fails Page 15. New Philips UCB1400 Audio Codec on BBPXA2xx Development Baseboard Requires Software Change (CA5878). 16. Conditional ECO To Use 3.3-V PCMCIA Cards 17. Conditional ECO To Use The Expansion Port J26 The X-RDY signal is tied low via R76B. This renders the port inactive. Intel DCPXA250 Processor Card 3. VCC_PLL And VCC_CORE Pin Voltage Must Be Equal 6. 50-MHz SDRAM Requires 0-ohm Resistors 7. For ARM* Multi-ICE* JTAG Use 8. Excessive Oscillator Output Voltage to PEXTAL Pin 9. Coin Cell Battery Issue 10. Signal Integrity Problems On SDCLK 13. VCC Core Voltage Change IntelDCPXA210 Processor Card 1. For Multi-ICE JTAG Use 2. MMC MMCLK Support 3. PLL Voltage Too High 4. Remove Coin Cell Battery 5. Incorrect Boot Mode Selected For PXA210 Processor