NXP Semiconductors PCF85063TP-ARD, Руководство пользователя, Страница: 9 / 24

NXP Semiconductors
UM11705
PCF85063TP-ARD evaluation board
Ref Des # Arduino label PCF85063TP-ARD function
6 D13 / SCK Not used
7 GND Power supply return
8 AREF Not used
9 A4 / SDA Not used
10 A5 / SCL Not used
Table 1. The pin chart of Arduino connectors and their usage
...continued
The circuit is supplied with 3.3 V from Arduino port through J6 and J36. Pin no. 4 of J6
is 3.3 V power supply, while pin no. 6, 7 of J6, and pin no. 7 of J36 represents the power
supply return (ground).
4.5 I
2
C external connector (J38)
The I
2
C-bus of the PCF85063TP can be directly accessed from external through the
connector J38, located on the PCF85063TP-ARD daughter board. Table 2 describes the
pin chart of J38.
J38 pin no. Function Comment
1 VCC_3V3 Power supply (3.3 V)
2 I2C_3V3_SDA I
2
C-bus data (SDA)
3 I2C_3V3_SCL I
2
C-bus clock (SCL)
4 GND Power supply return (ground)
Table 2. The J38 pin chart
4.6 Jumpers and test points
The board contains two jumpers and several test points. Table 3 and Figure 2 detail
the jumper locations and their default configurations. Table 4 describes the test points
located on the PCF85063TP-ARD board.
Ref Des Label Default Description
ON: Enable the interrupt monitor LED (D2)
J24 INT MONITOR ON / OFF ON
OFF: Disable the interrupt monitor LED (D2)
ON: PCF85063TP (U1) power on
J37 RTC power ON / OFF ON
OFF: PCF85063TP (U1) power off
Table 3. PCF85063TP-ARD jumpers
UM11705 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2021. All rights reserved.
User manual Rev. 1.0 — 19 November 2021
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