Datasheet

NXP Semiconductors
AN12395
OM-SE050ARD hardware overview
AN12395 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2019. All rights reserved.
Application note Rev. 1.1 — 27 June 2019
534311 17 / 24
Figure 14. SE050 in I
2
C master mode
Table 9 details the jumper settings for the configuration of the SE050 I
2
C master
interface.
Table 9. Jumper settings for SE050 in I
2
C master mode
Jumper Configuration Comment
J6 Set to 1-2
(Default)
Contactless operation disabled
J7 Set to 2-3
(Default)
Contactless operation disabled
J9, J10 Set to "Closed" Set to “Closed” to enable pull-up resistors for I
2
C master
signals SE_IO1 and SE_IO2 (if IOT sensor board not
already provides pull-up resistors).
J12 Set to 2-3
(Default)
SE_RST routed to ARD_RST on J1:3
J13 Set to 2-3
(Default)
SE_ENA set to ARD_ENA on J1:6
J14 Set to 3-4
(Default)
SE_V
OUT
as SE_V
DD
J15 Set to 3-4
(Default)
I
2
C_SDA routed to ARD_SDA_R3 (J2:9)
J16 Set to 2-3 V
DD
as SE_V
IN
J17 Set to 3-4
(Default)
I
2
C_SCL routed to ARD_SCL_R3 (J2:10)
J18 Set 1-2 (Default) SE_IO2 to pin 9 of header J11
J19 Set to 2-3
(Default)
SE_V
DD
=3.3V from Arduino-R3 voltages
J24 Set to 1-2
(Default)
No input LDO
J25, J26 Do not care Dummy jumpers
J37, J38 Set to
“Open” (Default)
3k3 pull-up resistor for I
2
C standard mode