MVME5100 Single Board Computer Programmer's Reference Guide

1
Product Data and Memory Maps
to it. Other configuration information is needed by software to properly
configure the Hawk’s control registers. This information can be obtained
from devices connected to the I 2 C bus.
Table 1-5. I2C Device Addressing
Device Function Size Device
Address
(A2A1A0)
Onboard Configuration VPD 256x8 000b $A0
Onboard User Configuration Data UPD 256x8 001b $A2
IPMC761 Onboard Configuration VPD 256x8 010b $A4
Digital Thermometer (DS1621) 256x8 011b $96
Onboard Memory Bank SPD (Bank A and B) 256x8 100b $A8
Optional Memory Mezzanine 1 (Banks C/D) 256x8 101b $AA
Optional Memory Mezzanine 2 (Banks E/F) 256x8 110b $AC
Unpopulated SROM device 256x8 111b $AE
Software Address
Vital Product Data (VPD) and Serial Presence Detect (SPD)
Data
Vital Product Data (VPD) and Serial Presence Detect (SPD) information
consists of data items that are pertinent to board configuration and
operation. For information on the VPD and SPD data formats and
defintions refer to Appendix B, MVME5100 VPD Reference Information.
The registers related to this information is accessed through the I 2 C
interface of the Hawk ASIC.
1-14 Computer Group Literature Center Web Site