Motorola 900 series - MVME376 Ethernet Communications Controller

VME Expansion Module
MVME376 Ethernet Communications Controller
The MVME376 is a VMEbus Local Network Controller for Ethernet and other
IEEE 802.3 compatible networks. The MVME376 utilizes the combination of an
Am7990 Local Area Network Controller for IEEE-802.3 /Ethernet (LANCE), an
Am7992B Serial Interface Adapter (SIA), and 256 Kbytes of dual ported RAM.
Table 3-13. MVME376 Jumper Settings
Header
Description Setting
JAl
+ 12V transceiver power to A UI connection at Jl connector 1-2
JA4
DTACK timing for VMEbus initiated transfers: fast
2-3
JAS
Reserved for future use
No Jumper
JA7
Factory test
point
No Jumper
JAB
Disable special parity error reporting 2-3
JA9
Disable VMEbus reporting of
parity error 2-3
JAlO
SYSCLOCK signal 2-3
JAll
SYSFAIL to VMEbus disabled
No Jumper
JA12 Parity errors sensed by polling
board level status register 2-3
JA13
Half-step signaling
AUI interface
No Jumper
JA16
Selects A16 and A32 slave access only; disables A24 slave
1-2
access
JA18 A
UI connector
No Wire Jumper
SWl
See next figure
SW2
See
next figure
SW3
See
next figure
3-28
Reference Guide
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