Mezzanine Connector J15 Signals; Table G-1. Mezzanine Connector J15 Interconnect Signals - Motorola MVME162LX 300 Series Installation And Use Manual

GMezzanine Board Connectors

Mezzanine Connector J15 Signals

Connector J15 is a standard double-row 100-pin socket connector mounted
on the MVME162LX Embedded Controller PWB (see Figure 2-1). It
connects to a corresponding 100-pin plug connector on the ECC DRAM
mezzanine board and (together with J16) carries the DRAM address, data,
and control signals to and from the mezzanine board. Table G-1 lists the
pin numbers, signal mnemonics, and signal descriptions for J15.

Table G-1. Mezzanine Connector J15 Interconnect Signals

Pin
Number Mnemonic
1 GND
2 MPUCLK1
3, 4 GND
5 PURESET*
6 LTS*
7 LBRESET*
8 GND
9 LRD
10 LTIP*
11 GND
12 SELECT
13 LLOCK*
Signal Signal
Direction
Input
Input
Bidirectional Local Transfer Start. MC68040 transfer
Input
Bidirectional Local Read. MC68040 read/write attribute.
Bidirectional Local Transfer In Progress. MC68040
Input
Bidirectional Local Bus Lock. MC68040 lock attribute.
Signal Name and Description
Ground.
MPU Clock 1. Bus clock (25 MHz).
Ground.
Power-Up Reset.
start strobe.
Local Bus Reset.
Ground.
transfer-in-progress strobe.
Ground.
Select. Mezzanine selection (ECC
mezzanines only). High = first slot; low =
second slot.
G
G-1