Technical data

Connector Pin Assignments
http://www.mcg.mot.com/literature 5-7
5
Memory Mezzanine Connector 2 - J15
Connector J15 is a standard double-row 100-pin socket connector mounted
on the MVME172LX Embedded Controller PWB. It connects to a
corresponding 100-pin plug connector on the ECC DRAM mezzanine
board and (together with J22) carries the DRAM address, data, and control
signals to and from the mezzanine board. The following table lists the pin
assignments for J15.
Table 5-6. Mezzanine Connector J15 Pin Assignments
1 GND MPUCLK 2
3 GND GND 4
5PURESET∗ LTS∗ 6
7 LBRESET∗ GND 8
9 LRD LTIP∗ 10
11 GND SELECT 12
13 LLOCK∗ LTA∗ 14
15 LSIZ0 GND 16
17 LSIZ1 LTEA∗ 18
19 GND SRAMDIS∗ 20
21 LTM0 MIACKIN∗ 22
23 LTM1 GND 24
25 LTM2 LST0 26
27 GND LST1 28
29 LSC0 MEZZIPL0∗ 30
31 LSC1 GND 32
33 LTT0 MEZZIPL1∗ 34
35 GND MEZZIPL2∗ 36
37 LTT1 MEZZBR∗ 38
39 LMI∗ GND 40
41 LOCKOK MEZZBG∗ 42
43 GND LBB∗ 44