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UM1481 Datasheet(PDF) 39 Page - STMicroelectronics

Part # UM1481
Description  This document describes an easy and compact solution
PDF  55 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM1481 Datasheet(HTML) 39 Page - STMicroelectronics

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UM1481
Connectors and jumpers
Doc ID 022389 Rev 1
39/55
8.5
Jumper J7
8.6
Jumper J10
8.7
Jumper J11
8.8
Jumper J9: external MCU connection
Table 12.
ALM pin connection of STC3105
Jumper
Description
1 - 2
Connecting the ALM pin of the STC3104 with onboard MCU STM32
2 - 3
Connecting the ALM pin of the STC3105 with external MCU
Table 13.
SDA pin for I2C communication
Jumper
Description
1 - 2
Connecting the SDA pin of the STC3105 with onboard MCU STM32
2 - 3
Connecting the SDA pin of the STC3105 with external MCU
Table 14.
SCL pin for I2C communication
Jumper
Description
1 - 2
Connecting the SCL pin of the STC3105 with onboard MCU STM32
2 - 3
Connecting the SCL pin of the STC3105 with external MCU
Table 15.
Pinout for external microcontroller connections
Jumper
Pin function
Description
1
Alarm
Pinout for the ALM pin of the STC3105 for external
MCU
2
NC
NC
3
I2C_SDC
Pinout for the SDA line for external MCU
4
I2C_SCL
Pinout for the SCL line for external MCU
5
GND
Pinout for the GND connection for external MCU



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