Utility Connector J16
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6-21
6
Utility Connector J16
A 20-pin dual-row header known as “Utility Connector #1” supplies the
interface between the MBX series embedded controller and external
devices such as status LEDs, Reset and Abort switches, and power sources.
The pin assignments for this utility connector are listed in the following
table.
33
BRCOMM#
BDIP#
A24
A25
34
BGCOMM#
BURST#
A26
A27
35
RD/WR#
FRAME_L
A28
A29
36
CLK
LOAD_L
A30
A31
Table 6-11. 821/COMM Expansion Connector Pin Assignments
Pin
Row A
Row B
Row C
Row D
Table 6-12. Utility Connector #1 (J16) Pin Assignments
Pin #
Signal
Signal
Pin #
1
+3.3V
−
12V
2
3
+5V
−
5V
4
5
ResetSwitch#
Battery Plus
6
7
ETHTX LED#
Battery Minus
8
9
ETHRX LED#
Power Fail Sense#
10
11
ETHCOL LED#
Stop Interrupt#
12
13
ETHTPI LED#
GND
14
15
ETHTPP LED#
IDE LED#
16
17
Battery Low#
Flash Programming#
18
19
MBX Bus Activity#
PCI Bus Activity#
20
Summary of Contents for MBX Series
Page 1: ...MBX Series Embedded Controller Version B Installation and Use MBXA IH3 September 2000 Edition ...
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