Version 1.17 2011-09
13
2.2.2 J3 Connector
Table 3: Signals on J3
J3
Pin Nr
Pin Name
Signal Name
Signal
Level
Type
Description
1-8
Reserved, do not connect.
9
SerialSelect-0 Serial Select 0
CMOS
Out
Control signal for external serial
transceivers. See section
A.2.2.4 for more info.
10
SerialSelect-1 Serial Select 1
CMOS
Out
Control signal for external serial
transceivers. See section
A.2.2.4 for more info.
11-18
Reserved, do not connect.
19
RESET
Hardware reset
CMOS
In
Active low. Must be open drain
collector.
See section 2.4 for design ex-
amples.
20
Reserved, do not connect.
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