phyCORE-OMAP44xx
Table of content
L-760e_1
©
PHYTEC Messtechnik GmbH
2012
Table of Contents
Conventions, Abbreviations and Acronyms .............................................. 1
Part I: PCM-049/phyCORE-OMAP44xx System on Module............................ 9
1.1 Introduction ................................................................................11
1.1.1Block Diagram .......................................................................13
1.1.2View of the phyCORE-OMAP44xx ................................................14
1.1.3Minimum Requirements to Operate the phyCORE-OMAP44xx ...........16
1.2 Pin Description .............................................................................17
1.3 Jumpers......................................................................................29
1.4 Power .........................................................................................35
1.4.1Primary System Power (VCC_3V3_IN) .........................................35
1.4.2Backup Voltage (VBAT)............................................................35
1.4.3Power Management IC (U5)......................................................36
1.4.3.1 Power domains ............................................................36
1.4.3.2 Real Time Clock (RTC)....................................................38
1.4.3.3 Power Management ......................................................38
1.4.3.4 External Battery Charging..............................................39
1.4.3.5 Voltage Level and Current Consumption Measuring .............39
1.4.4Reference Voltages.................................................................40
1.5 System Configuration and Booting ...................................................41
1.6 System Memory ............................................................................43
1.6.1LPDDR2-SDRAM (U1, PoP Memory) ............................................43
1.6.2NAND Flash Memory (U4).........................................................44
1.6.2.1 NAND Flash Lock Control (J4) .........................................44
1.6.3I2C EEPROM (U2) ...................................................................45
1.6.4Memory Model.......................................................................46
1.7 SD / MMC Card Interfaces................................................................47
1.8 Serial Interfaces ...........................................................................49
1.8.1Universal Asynchronous Interface .............................................50
1.8.2USB OTG Interface ..................................................................51
1.8.3USB Host Transceiver (U8) .......................................................51
1.8.4Full-Speed IC USB Host interface...............................................52
1.8.5Ethernet Interface..................................................................52