Motorola MVME5100 用户手册
1-14
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Product Data and Memory Maps
1
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
configure the Hawk’s control registers. This information can be obtained
from devices connected to the I
2
C bus.
Vital Product Data (VPD) and Serial Presence Detect (SPD)
Data
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
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
The registers related to this information is accessed through the I
2
C
interface of the Hawk ASIC.
Table 1-5. I2C Device Addressing
Device Function
Size
Device
Address
(A2A1A0)
Software Address
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