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1-Wire
1-Wire
:ref:`linux_onewire`
:ref:`linux_onewire`
:ref:`homeassistant_onewire`
:ref:`homeassistant_onewire`
Начиная с ревизии *1.5* материнской платы для подключения шины *1-Wire* используется *3-контактный разъем с шагом 3.5мм*
Starting with the *1.5* motherboard revision, a 3.5mm pitch *3-pin connector* is used for the *1-Wire* bus connection.
Начиная с ревизии *1.7* материнской платы используется программная реализация *1-Wire* на *GPIO*
Starting with revision *1.7* of the motherboard, the software implementation of *1-Wire* on *GPIO* is used
Ввиду особенности программной реализации *1 Wire* в *Linux* максимальное к-во устройств на одной шине - **5шт**.
Due to the peculiarity of the software implementation of *1 Wire* in *Linux* the maximum number of devices on one bus is **5pcs**.
Разъем 1-Wire 3x3.5 мм
1-Wire 3x3.5 mm connector
**Назначение выводов:**
**Pin assignment:**
Назначение
Destination
Описание
Description
+5V
+5V
Выход питания *+5В* (для питания внешних устройств *1-Wire*)
Power output *+5V* (for powering external devices *1-Wire*)
1-Wire Data
1-Wire Data
Шина данных 1-Wire
1-Wire data bus
GND
GND
Общий провод 1-Wire
Common 1-Wire
Разъем 1-Wire RJ22
1-Wire RJ22 connector
Общий провод питания
Common power lead
1-Wire GND
1-Wire GND
RS-485 (Modbus)
RS-485 (Modbus)
:ref:`linux_modbus`
:ref:`linux_modbus`
Контроллер имеет два порта *RS-485*, реализованных с использованием микросхем преобразователя интерфейса *USB-UART*:
The controller has two *RS-485* ports implemented using *USB-UART* interface converter chips:
**Ревизия v3.0 и ниже**: *Silicon Labs* *CP2104* или *CP2105*
**Revision v3.0 and below**: *Silicon Labs* *CP2104* or *CP2105*
**Ревизия v3.5 и выше**: *Silicon Labs* *CP2102N* с автоматическим переключением режима приёма/передачи и гальванической изоляцией через трансиверы *TDA51S485HC*
**Revision v3.5 and above**: *Silicon Labs* *CP2102N* with automatic receive/transmit mode switching and galvanic isolation via *TDA51S485HC transceivers*
В операционной системе данные устройства отображаются как ``/dev/ttyUSB0`` и ``/dev/ttyUSB1``.
The operating system displays these devices as ``/dev/ttyUSB0`` and ``/dev/ttyUSB1``.
Концы шины *RS-485* должны быть терминированы резисторами **120 Ом** с обоих концов.
The ends of the *RS-485* bus must be terminated with **120 Ohm** resistors at both ends.
Для упрощения монтажа контроллер имеет встроенные терминаторы, подключаемые к линиям *RS-485* с помощью перемычек (джамперов), расположенных рядом с клеммами *RS-485*.
To simplify installation, the controller has built-in terminators that connect to the *RS-485* lines with jumpers located near the *RS-485* terminals.
Часы реального времени (RTC)
Real Time Clock (RTC)
:ref:`linux_rtc`
:ref:`linux_rtc`
В качестве часов реального времени (*RTC*) используется микросхема `PCF8563 <https://www.nxp.com/docs/en/data-sheet/PCF8563.pdf>`_, подключенная к внутренней шине *I2C* процессорного модуля (шина *I2C_B* процессора).
As a real time clock (*RTC*) is used the chip `PCF8563 <https://www.nxp.com/docs/en/data-sheet/PCF8563.pdf>`_, connected to the internal bus *I2C* of the processor module (bus *I2C_B* of the processor).

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GND
GND
04/29/2026
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rst-text
Unit identifier
9528
Source string location
../../controllers/includes/jxm/pinout_old.rst:15 • ../../controllers/includes/motherboards/pd76_r5_v1/connectors/40_pin.csv:1 • ../../controllers/includes/motherboards/pd76_r5_v1/connectors/io1.rst:7 • ../../controllers/includes/motherboards/pd76_r5_v1/connectors/uart1.rst:7 • ../../controllers/includes/motherboards/pd76_r5_v2/connectors/40_pin.csv:1 • ../../controllers/includes/motherboards/pd76_r5_v2/connectors/gpio.rst:10 • ../../controllers/linux/includes/platforms/j100/40_pin_connector.rst:22 • ../../controllers/linux/includes/platforms/j100/40_pin_connector.rst:23 • ../../controllers/linux/includes/platforms/j100/40_pin_connector.rst:30 • ../../controllers/linux/includes/platforms/j100/40_pin_connector.rst:35 • ../../controllers/linux/includes/platforms/j100/40_pin_connector.rst:38 • ../../controllers/linux/includes/platforms/j100/40_pin_connector.rst:43 • ../../controllers/linux/includes/platforms/j100/40_pin_connector.rst:46 • ../../controllers/linux/includes/platforms/j100/40_pin_connector.rst:57 • ../../controllers/mcu/includes/e1_cpu/connectors/40_pin.csv:1 • ../../controllers/mcu/includes/e1_cpu/jtag.rst:19 • ../../controllers/mcu/includes/e1_cpu/jtag.rst:21 • ../../controllers/mcu/includes/e1_cpu/jtag.rst:25 • ../../controllers/mcu/includes/e1_cpu/wroom32_pinout.csv:1 • ../../includes/common/connectors/onewire_3pin.rst:8 • ../../includes/common/connectors/onewire_rj22.rst:10
String age
04/29/2026
Last updated
04/29/2026
Source string age
04/29/2026
Translation file gettext PO file
_locale/en/LC_MESSAGES/controllers.po, string 301