Motorola MVME162LX 300 Series Installation And Use Manual page 168

Mezzanine Connector J15 Signals
Table G-1. Mezzanine Connector J15 Interconnect Signals (Continued)
Pin
Number
14
15
16
17
18
G
19
20
21
22
23
24
25
26
27
28
G-2
Signal Signal
Mnemonic Direction
LTA* Bidirectional Local Transfer Acknowledge. MC68040
LSIZ0 Bidirectional Local Transfer Size 0. MC68040 transfer
GND
LSIZ1 Bidirectional Local Transfer Size 1. MC68040 transfer
LTEA* Bidirectional Local Transfer Error Acknowledge.
GND
SRAMDIS* Output
LTM0 Bidirectional Local Transfer Modifier 0. MC68040
MIACKIN* Output
LTM1 Bidirectional Local Transfer Modifier 1. MC68040
GND
LTM2 Bidirectional Local Transfer Modifier 2. MC68040
LST0 Bidirectional Local Error Status 0. Valid only when
GND
LST1 Bidirectional Local Error Status 1. Valid only when
Signal Name and Description
transfer acknowledge.
size attribute.
Ground.
size attribute.
MC68040 transfer error acknowledge.
Ground.
SRAM Disable. Disable SRAM on main
module.
transfer modifier attribute.
Local IACK. Daisy-chain signal: Assert
MIACKIN* if the IACK cycle is not for the
mezzanine in question.
transfer modifier attribute.
Ground.
transfer modifier attribute.
LTEA* is asserted and LTA* is negated.
Ground.
LTEA* is asserted and LTA* is negated.
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