UM0581 User manual STEVAL-PCC005V1, STR912FAW44 parallel interface to hard disk demonstration board Introduction This user manual explains the operation of demonstration board STEVAL-PCC005V1 which implements a parallel interface hard disk on the STR912FAW44 microcontroller (ARM966E- S, 16/32 bit Flash MCU with ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA). The hard disk can be applied to any microcontroller within the STR91x family. The various hardware sections of the STEVAL-PCC005V1 are explained in this document. The key features of the STEVAL-PCC005V1, STR912FAW44 parallel interface to hard disk demonstration board are the following: Based on the STR912 (ARM966E-S) microcontroller with built-in external memory interface (EMI) USB interface available for USB hard disk application Acts as a mass-storage device using the drivers of the Microsoft operating system Onboard power supply for hard disk Option for using external power supply Onboard JTAG connector for microcontroller firmware upgrade and changes Additional ESD protection device on USB LED indications for power, read and write operations and system health check. Figure 1. STEVAL-PCC005V1, STR912FAW44 parallel interface to hard disk demonstration board AM01269v1 April 2009 Doc ID 14961 Rev 1 1/26 www.st.com Contents UM0581 Contents 1 Getting started 6 1.1 Package . 6 1.2 Setting up the board 6 1.3 Hardware layout . 6 2 System overview 8 2.1 General description of product architecture 8 2.2 System architecture description . 8 3 Design details 9 3.1 Jumper positions 9 3.2 Power supply . 9 3.2.1 Onboard power supply 12 3.3 Microcontroller . 12 3.4 Reset circuit . 13 3.5 Clock source . 13 3.6 USB . 13 3.7 LED indicators . 13 4 Connector details 14 4.1 Power connector 14 4.2 USB type B connector CN3 . 14 4.3 JTAG connector 15 4.4 Hard disk connector (J1) . 16 5 Schematics . 17 6 User interface flow . 20 6.1 Power-on sequence . 20 7 Bill of material . 21 Appendix A Abbreviations . 24 2/26 Doc ID 14961 Rev 1