Local Bus Controller Chip Select Assignments; I2C Device Addresses; Table 4-3 Lbc Chip Select Assignments; Table 4-4 I2C Bus Device Addressing - SMART Embedded Computing MVME7100ET Programmer's Reference Manual

4.4

Local Bus Controller Chip Select Assignments

The following table shows local bus controller (LBC) bank and chip select assignments for
the MVME7100ET board.
Table 4-3
LBC Bank /
Chip Select
0
1
2
3
4
5
6
7
NOTES:
1. Flash bank size determined by VPD flash packet.
2. Control/Status registers are byte read and write capable.
3. 32-bit timer registers are byte readable, but must be written as 32 bits.
2
4.5 I C Device Addresses
A two-wire serial interface is provided by an I
the MC864xD. The MC864xD I
contents of the various I
contains the I
Table 4-4
I2C Bus
Address
$98
$A0
MVME7100ET Single Board Computer Programmer's Reference (6806800K88C)
LBC Chip Select Assignments
Local Bus
Function
Boot flash bank
Boot flash bank
NAND flash bank
MRAM
Control/status
registers
Quad UART
32-bit Timers
Not Used
2
C controller is used by the system software to read the
2
C devices located on the MVME7100ET. The following table
2
C devices used for the MVME7100ET and their assigned device addresses.
I2C Bus Device Addressing
Device Address
A2 A1 A0 Size (bytes) Device Function
(binary)
N/A N/A
000 256 x 8
Size Data Bus Width Notes
128MB 32 bits
128MB 32 bits
64KB 8 bits
512KB 16 bits
64KB 32 bits
64KB 8 bits
64KB 32 bits
2
C compatible serial controller integrated into
ADT7461 temperature sensor
DDR2 memory bank 1 SPD
Programming Details
1
1
4
2
3
Notes
1
55