Logic Analyzer Header, P3 - Digi Connect ME Hardware Reference Manual

Logic Analyzer Header, P3

The Logic Analyzer Header is a 20-pin male vertical header that is labeled P3 on the development
board. The header is for connecting a digital signal analyzer (for example, a logic analyzer) to the
development board. See the following figure for pin orientation; see the following table for pin
assignments.
Note:
Logic Analyzer Header Pin Orientation
Pin 1 Pin 2
V_Ether+ V_Ether- Not
connected
Pin 11 Pin 12
GPIO-2 GPIO-3 GPIO-1
The figure shows the connector using the same orientation as shown in the figure titled
"Board Layout and Connector Locations:" on page 22.
Logic Analyzer Header Pin Assignments
Pin 3 Pin 4 Pin 5
Not Not
connected
connected
Pin 13 Pin 14 Pin 15
/RST 3.3v
Pin 6 Pin 7
Not RXD
connected
Pin 16 Pin 17
GND See "Power and Device
Interface Connector Pin
Assignments" on page 13
for details.
3 4
C o n n e c t o r s a n d B l o c k s
Pin 8 Pin 9
TXD GPIO-4 GPIO-5
Pin 18 Pin 19
Reserved /INIT
Pin 10
Pin 20