05. NEQTO Bridge IO Board

Overview

The NEQTO Bridge IO Board is an evaluation extension board for easily connecting peripheral devices to the peripheral interface of the NEQTO Bridge Module, such as UART, SPI, I2C, and GPIO.
Hereinafter, "NEQTO Bridge IO Board" is called "IO board" and "NEQTO Bridge Module" is called "module".

By identifying the connected IO board, the module automatically enables the function unique to the IO board.
neqto.js' nqEx Object is used to control each interface. All interfaces are disabled by default, so enable them as needed.

For information regarding the "Method for inserting and removing a module", refer here.


Main Specifications

ItemSpecsNotes
Digital I/OUART x 1 ch
SPI x 1 ch
I2C for Module x 1 ch
I2C for Short cable x 1 ch
I2C for Long cable x 1 ch
GPIO x 2 ch
Photo Coupler Input1 chRefer to the module specifications.
MOS Relay Output1 chRefer to the module specifications.
Analog Input1 ch
OPA365 is used as a non-inverting buffer for ADC.		Common-mode voltage range：min 0.1 V, max 3.2V@3.3 V
Reset SW1 ch
User SW1 ch
LED2 LEDsSystem LED1 (Red), System LED2 (Blue)
USBUSB 2.0 Full Speed compatible
4.75 V - 5.25 V		- 2 A@5 V recommended
- USB Type-C™ compliant connector
3.3V Output1 chCurrent Limit: 0.5A
Operating Temperature Conditions0 ℃ - 50 ℃
Storage Temperature Conditions0 ℃ - 50 ℃
Size66.5 mm x 72.5 mm x 17.2 mm


External Dimensions



Interfaces



UART


Pin No.Signal NameNote
1+3.3VFor UART
2GNDGround
3NODE1_UART_TXNEQTO Output
4NODE1_UART_RXNEQTO Input
5NODE1_UART_RTSNEQTO Output
6NODE1_UART_CTSNEQTO Input
7ReservedNot Connect
8ReservedNot Connect

Block diagram


SPI


Pin No.Signal NameNote
1+3.3V
2GNDGround
3NODE2_SPI_MOSINEQTO Output
4NODE2_SPI_MISONEQTO Input
5NODE2_SPI_NCSNEQTO Output
6NODE2_SPI_SCKNEQTO Output
7NRSTNEQTO Input or Output
The SPI port must be enabled to use this pin.
If this pin is unused while the SPI port is enabled, this pin will require an external pull-up.
8GPIO28NEQTO Input or Output
The SPI port must be enabled to use this pin.
This input/output pin is pulled up externally with 10kΩ and should not be used in GPIO operation mode with pull-down.

Block diagram


I2C for Module


Pin No.Signal NameNote
1+3.3V
2GNDGround
3NODE1_I2C_SDA
4NODE1_I2C_SCL
5NODE1_I2C_INT_Module
6ReservedNot Connect

Block diagram


I2C for Short cable


Pin No.Signal NameNote
1+3.3VI2C for short cable
2GNDGround
3NODE1_I2C_SDA
4NODE1_I2C_SCL
5NODE1_I2C_INT_Short
6ReservedNot Connect

Block diagram


I2C for Long cable


Pin No.Signal NameNote
1+5V
2NODE1_I2C_SDA
3GNDGround
4NODE1_I2C_SCL
5GNDGround
6NODE1_I2C_INT_Long
7GNDGround
8ReservedNot Connect

Block diagram


Interrupt


The each NODE1_I2C_INT signal output to I2C Expander must be active low and open drain output.
The interrupt signal output signal of I2C Expander (NODE1_IO0) is active low and open drain output.


GPIO


Pin No.Signal NameNote
1NODE1_IO5
2GNDGround
3NODE1_IO6
4GNDGround

Block diagram


MOS Relay


Pin No.Signal NameNote
1NODE1_RELAY_OUT1
2NODE1_RELAY_OUT2

Block diagram


Photo Coupler


Pin No.Signal NameNote
1NODE1_PhotoMOS_IN1
2NODE1_PhotoMOS_IN2

Block diagram


ADC


Pin No.Signal NameNote
1ReservedNot Connect
2GNDGround
3ANALOG_Input1ADC Input
4GNDGround

Block diagram


Dry Battery


Pin No.Signal NameNote
1+ Voltage for Dry BatteryInput voltage: 3.0V - 5.0V
2- Voltage for Dry Battery


3.3V output


Pin No.Signal NameNote
1+3.3V
2GNDGround


Interface Specifications

ItemSpecNotes
Low Level Input Voltage 1Max 0.3 V@VDDSEL = 3.3 V(Note 1)UART / SPI / GPIO
Low Level Input Voltage 2Max 0.9 V@VDDSEL = 3.3 V(Note 1)I2C for Module
Low Level Input Voltage 3Max 2 V@VDDSEL = 5.0 V(Note 1)I2C for Long cable
Low Level Input Voltage 4Max 0.15 V@VDDSEL = 3.3 V(Note 1)I2C for Short cable
High Level Input Voltage 1Min 0.7 V@VDDSEL = 3.3 V(Note 1)UART / SPI / GPIO
High Level Input Voltage 2Min 2.4 V@VDDSEL = 3.3 V(Note 1)I2C for Module
High Level Input Voltage 3Min 2.8 V@VDDSEL = 5.0 V(Note 1)I2C for Long cable
High Level Input Voltage 4Min 2.9 V@VDDSEL = 3.3 V(Note 1)I2C for Short cable
Low Level Output Voltage 1Max 0.4 V@IOL = 20 μA
VDDSEL = 3.3 V(Note 1)		UART / SPI / GPIO
Low Level Output Voltage 2Max 0.5 V@IOL = 4 mA
VDDSEL = 3.3 V(Note 1)		I2C for Module
Low Level Output Voltage 3Max 0.4 V@IOL = 1 mA
VDDSEL = 3.3 V(Note 1)		I2C for Short cable
High Level Output Voltage 1Min 2.9 V@IOH = 20 μA
VDDSEL = 3.3 V(Note 1)		UART / SPI / GPIO
High Level Output Voltage 2Min 2.8 V@IOH = 4 mA
VDDSEL = 3.3 V(Note 1)		I2C for Module
High Level Output Voltage 3Min 2.2 V@IOH = 20 μA
VDDSEL = 3.3 V(Note 1)		I2C for Short cable
Output Voltageopen-collector
Max 5 V 330 Ω pull-up		I2C for Long cable
  • Note 1) VDDSEL
    When 3.3V is selected: It is supplied from RP601Z330A.
    The output deviation of RP601Z330A in the PWM / VFM automatic switching method is 3.3 V -2% + 4%.
    When 5V is selected: Supplied by VBUS.
    The output deviation is 5.0 V ± 5%.


Short Plug

CN50 / CN51


CN No.FunctionConfiguration
CN50Signal setting connected to CN7_5 pin1-2: NODE1_UART_RTS (default)
2-3: Do not use
CN51Signal setting connected to CN7_6 pin1-2: NODE1_UART_CTS (default)
2-3: Do not use


CN10


CN No.FunctionConfiguration
CN10Photo Coupler Input pull-up settingOpen: No pull-up resistor (default)
Close: 2.2 kΩ resistance to pull-up to 3.3 V


CN17 / CN20 / CN23 / CN25 / CN53 / CN54


CN No.FunctionConfiguration
CN17ReservedOpen: (default)
Close: Do not use
CN20ReservedOpen: (default)
Close: Do not use
CN23ReservedOpen: (default)
Close: Do not use
CN25ReservedOpen: (default)
Close: Do not use
CN53Serial signal configuration when using User Console modeOpen: Do not use
Close: (default)
CN54Serial signal configuration when using User Console modeOpen: Do not use
Close: (default)


CN43 / CN45


CN No.FunctionConfiguration
CN43Configuration when using Dry BatteryOpen: Do not use
Close: Dry battery can be used (default)
CN45ReservedOpen: (default)
Close: Do not use


CN47


CN No.FunctionConfiguration
CN47Reserved1-2: Do not use
2-3: (default)


Connector List

FunctionNumberParts NumberMakerSocketCrimp terminalMaker
UARTCN7DF11-8DP-2DSHirose ElectricDF11-8DS-2CDF11-2428SCAHirose Electric
SPICN6DF11-8DP-2DSAHirose ElectricDF11-8DS-2CDF11-2428SCAHirose Electric
I2C for ModuleCN3FSS-41035-06Hirosugi KeikiPSS-410153-06Hirosugi keiki
I2C for Short cableCN4DF11-6DP-2DSHirose ElectricDF11-6DS-2CDF11-2428SCAHirose Electric
I2C for Long cableCN5DF50A-8P-1HHirose ElectricDF50A-8S-1CDF50-2830SCFAHirose Electric
GPIOCN81770908Phoenix Contact
Photo Coupler InputCN121770885Phoenix Contact
MOS Relay OutputCN111770885Phoenix Contact
Analog InputCN91770908Phoenix Contact
3.3 V OutputCN131770885Phoenix Contact
Dry BatteryCN381814498Phoenix Contact
BatteryCN411814508Phoenix Contact
USBCN44CX90B1-24PHirose Electric
NEQTO Bridge ModuleCN1, CN2FSS-22043-13Hirosugi Keiki
Updated: 2021-05-07
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