Embedded Planet, Inc.
epConnected Asset | Product User Manual
Document Version: 1.0.0 | 26 Jan 22
Embedded Planet, Inc. | 31225 Bainbridge Rd Suite N, Solon, OH 44139 | 216-245-4180 | www.embeddedplanet.com |
Page 25 of 37
Resistor options may divert one of the nRF52840’s UARTs to the
Mini-
Tectonic Edge™ connector for debug
purposes.
TABLE 9
–
MINI-TECTONIC EDGE
™ RESISTOR OPTIONS
Debug (UART to Tectonic Edge)
Debug (UART to cellular modem)
R1 populated, R2 unpopulated
R2 populated, R1 unpopulated
R3 populated, R4 unpopulated
R4 populated, R3 unpopulated
14.3.
Expansion Header Pinout (J5)
The expansion header is a 10-pin header (J5) with access to the nRF52840 SPI port, additional GPIO, the
3.0V IO reference voltage, and the battery voltage.
TABLE 10
–
EXPANSION HEADER PINOUT
Category
Pin
Description
Power
1
VBAT (battery voltage)
COM
2
COM
Signal
3
P1.14
Signal
4
P1.13
Signal
5
P1.12
Signal
6
P0.03/AIN1
Signal
7
P1.10
Signal
8
P0.29/AIN5
Power
9
VNRF (logic high reference)
COM
10
COM
*Note: The [BAT-]
net is tied to COM
through N-MOS
component Q3.
Therefore, though
electrically
connected in normal
operation, [BAT-] is
not a direct
connection to COM.
Summary of Contents for epConnected Asset
Page 10: ...5 Block Diagram ...