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Programming Details
MVME7100ET Single Board Computer Programmer’s Reference (6806800K88B
)
60
4.5
I
2
C Device Addresses
A two-wire serial interface is provided by an I
2
C compatible serial controller integrated into the
MC864xD. The MC864xD I
2
C controller is used by the system software to read the contents of
the various I
2
C devices located on the MVME7100ET. The following table contains the I
2
C
devices used for the MVME7100ET and their assigned device addresses.
1. Each SPD defines the physical attributes of each bank or group of banks.
2. This is a dual address serial EEPROM.
3. The device address is user selectable using switches on the RTM. The recommended
address setting for the ADT7461 is $AA.
Table 4-4 I2C Bus Device Addressing
I2C Bus
Address
Device Address
A2 A1 A0
(binary)
Size (bytes)
Device Function
Notes
$98
N/A
N/A
ADT7461 temperature sensor
$A0
000
256 x 8
DDR2 memory bank 1 SPD
1
$A2
001
256 x 8
DDR2 memory bank 2 SPD
1
$A4
010
65,536 x 8
User configuration
2
$A6
011
65,536 x 8
User configuration
2
$A8
100
8192 x 8
VPD (on-board system configuration)
2
$AA
101
8192 x 8
RTM VPD (off-board configuration)
2, 3
$AC
110
Reserved
$AE
111
Reserved
$D0
N/A
N/A
DS1375 real-time clock
Summary of Contents for MVME7100ET
Page 1: ...MVME7100ET Single Board Computer Programmer s Reference P N 6806800K88B June 2014 ...
Page 10: ...MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 10 List of Figures ...
Page 24: ...Memory Maps MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 24 ...
Page 50: ...Register Descriptions MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 50 ...
Page 96: ...Related Documentation MVME7100ET Single Board Computer Programmer s Reference 6806800K88B 96 ...
Page 97: ......