Extremely Simple! Standard App Manual

• 1: Pin Assignments of Extremely Simple! Standard App
• 2: Operating Modes of Extremely Simple! Standard App
• 3: Alternative Baud Rate Setting for Extremely Simple! Standard App
• 4: UART Function of Extremely Simple! Standard App
• 5: Interactive Mode (Extremely Simple! Standard App)

1 - Pin Assignments of Extremely Simple! Standard App

Pin Assignments

Power Input

Connect a 3.3V (2.3-3.6V) power supply to VCC/GND.

Digital and Analog Input/Output

DIx/DOx, AIx/PWMx pins transmit signals synchronously with matching pin numbers.

Serial Communication

UART

TX/RX are used for UART transmission and reception. Specifically, they are used in the following cases:

• Wireless signal transmission
  • UART signal transmission
  • I2C signal transmission (on the parent device side)
• Wired communication with external devices
  • Output of data received wirelessly
  • Input of data to be sent wirelessly
• Firmware management
  • Firmware setting changes (Interactive Mode)
  • Firmware rewriting

I2C

SCL/SDA pins are used to connect I2C target devices.

Configuration Input

By leaving the Mx pins unconnected or connecting them to GND, you can switch operation modes such as parent, child, and repeater (Operation Modes).

By leaving the BPS pin unconnected or connecting it to GND, you can change the UART baud rate from 115200bps to other values (Alternative Baudrate).

Reset Input

By connecting a push button between the reset input pin RST and GND, you can implement a reset button. RST is internally pulled up.

2 - Operating Modes of Extremely Simple! Standard App

List of Operating Modes

Each mode is set by leaving the Mx pin unconnected or connecting it to GND.

O: Not connected (OPEN), G: Connected to GND

Initial state is Child: Continuous mode.

The initial Logical Device ID (LID) used to identify the device varies depending on the mode.

Parent Device

Continuous Mode

Parent: Continuous Mode

When input signals change or every 1 second, data is sent to all child devices.

It always waits for data sent from child devices, providing good responsiveness but continuously consuming power.

• Reception: Always waiting
• Transmission: On input change / every 1 second

Child Device

Continuous Mode

Child: Continuous Mode

When input signals change or every 1 second, data is sent to all parent devices.

It always waits for data sent from parent devices, providing good responsiveness but continuously consuming power.

• Reception: Always waiting
• Transmission: On input change / every 1 second

Child: Continuous 0.03s Mode

This mode shortens the periodic transmission interval of Child: Continuous Mode from 1 second to 0.03 seconds.

Although it always waits for data sent from the parent, the communication from child to parent occupies the bandwidth, making the parent’s input response slower. It continuously consumes power.

• Reception: Always waiting
• Transmission: On input change / every 0.03 seconds

Intermittent Mode

Child: Intermittent 1s Mode

When input signals change or every 1 second, power-saving mode is canceled and data is sent to all parent devices.

Reception is disabled, so control from the parent device is not possible. This mode has excellent power-saving performance.

• Reception: Disabled
• Transmission: On input change / every 1 second

Child: Intermittent 10s Mode

When input signals change or every 10 seconds, power-saving mode is canceled and data is sent to all parent devices.

Reception is disabled, so control from the parent device is not possible. This mode has excellent power-saving performance.

• Reception: Disabled
• Transmission: On input change / every 10 seconds

Child: Intermittent Reception 1s Mode

When input signals change or every 1 second, power-saving mode is canceled and data is sent to all parent devices.

Reception is also performed every 1 second. It has excellent power-saving performance but is inferior to Child: Intermittent 1s Mode.

• Reception: Every 1 second
• Transmission: On input change / every 1 second

Repeater

Continuous Mode

Repeater: Continuous Mode

The repeater forwards received packets.

Up to three repeaters can be installed between parent and child devices, but increasing repeaters increases the number of packets, which may cause interference.

• Reception: Always waiting
• Transmission: On reception

3 - Alternative Baud Rate Setting for Extremely Simple! Standard App

Enabling Alternative Baud Rate Setting

You can enable the alternative baud rate setting by connecting the BPS pin to GND.

O: Not connected (OPEN), G: Connected to GND

4 - UART Function of Extremely Simple! Standard App

Digital and Analog Input/Output

0x81: Status Notification from Remote Device

Outputs the state of the received input signals.

Data Format

Calculation of Analog Signals

The input voltage \(V\) of AIx can be expressed using the received conversion value \(e_{r}\) and correction value \(e_{fr}\) as follows:

Unit: mV

Example Output Data

:78811501C98201015A000391000C2E00810301FFFFFFFFFB

0x80: Remote Device Output Change

Controls the output signals of the remote device.

Data Format

UART Input/Output

0x01: Transmission of Arbitrary Data

Data Format

0x01: Reception of Arbitrary Data

Data Format

I2C Input/Output

0x88: I2C Input

Data Format

0x89: I2C Output

Data Format

5 - Interactive Mode (Extremely Simple! Standard App)

This section explains functions specific to the Extremely Simple! Standard App (App_Twelite). For common features, please refer to the TWELITE APPS manual top page.

Display Example

The following screen is displayed.

--- CONFIG/TWELITE APP V1-08-2/SID=0x8201001f/LID=0x78 ---
 a: set Application ID (0x67720102)
 i: set Device ID (--)
 c: set Channels (18)
 x: set Tx Power (03)
 t: set mode4 sleep dur (1000ms)
 y: set mode7 sleep dur (10s)
 f: set mode3 fps (32)
 z: set PWM HZ (1000,1000,1000,1000)
 o: set Option Bits (0x00000000)
 b: set UART baud (38400)
 p: set UART parity (N)
---
 S: save Configuration
 R: reset to Defaults

Commands

Details of each command are shown below.

a: Application ID

All devices communicating must share the same value. It logically separates networks.

i: Logical Device ID

Set when it is necessary to identify multiple child devices.

Set any value from 1 to 100 for child devices, 121 for parent devices, and 122 for relay devices.

c: Frequency Channel

All devices communicating must share the same value. It physically separates networks.

x: Transmission Output and Retry Count

Specify the radio transmission output and the number of additional packet transmissions.

t: Child Intermittent 1-second Mode Interval

Overrides the intermittent interval of the child intermittent 1-second mode from 1 second to another value. Unit is milliseconds.

Setting 0 disables periodic wakeup by timer. In this case, wakeup occurs on falling edge of DIx but not on rising edge.

y: Child Intermittent 10-second Mode Interval

Overrides the intermittent interval of the child intermittent 10-second mode from 10 seconds to another value. Unit is seconds.

Setting 0 disables periodic wakeup by timer. In this case, wakeup occurs on falling edge of DIx but not on rising edge.

f: Child Continuous 0.03-second Mode Cycle

Overrides the number of transmission requests per second from 32 times to 4/8/16 times. Retry count is not included.

z: PWMx Frequency

If one value is specified, it overrides the frequency of all PWM ports. If specified by comma separation, individual values for PWM1 to PWM4 can be overridden.

o: Option Bits

Specify a 32bit number. Enables settings linked to each bit.

b: UART Alternative Baud Rate

Overrides the alternative baud rate selected when the BPS pin is connected to GND at startup from 38400bps.

Values can be selected from 9600/19200/38400/57600/115200/230400. Specifying other values may cause errors.

p: UART Parity

N means no parity, O means odd parity, and E means even parity.

Data bits are fixed to 8, stop bits to 1. Hardware flow control cannot be set.

Details of Option Bits

Explanation of settings linked to each bit of the Option Bits value.

00000001: Low Latency Mode

Low Latency Mode shortens the delay on the receiver side by quickly transmitting after detecting changes in DIx.

00000002: Disable Periodic Transmission

Disables periodic transmission every 1 second in continuous mode for child devices.

00000004: Disable Periodic Transmission and UART Output

For child devices: disables periodic transmission every 1 second in continuous mode and stops UART output of received data.

00000010: Disable Transmission on AIx Change

For child devices: disables transmission when AIx input changes in continuous mode.

Since released AIx ports report undefined values, connect them to VCC when analog input is not used. This option allows omission of connection to VCC.

00000020: Disable AIx Value

Sends packets treating unused ports as 0xFFFF without using ADC measurement values.

00000040: Change PWMx Calculation Formula

By default, adjusted output for volume control is applied to PWMx.

This option disables that and outputs full scale for inputs below 1.8V.

00000100: Transmit Only When Button Pressed

Continuously transmits packets when DIx input is Low.

For example, used to remotely control a motor. The motor runs while the remote button is pressed and stops when the radio signal is lost.

00000800: Disable Internal Pull-up of DIx

Disables all internal pull-ups (about 50kΩ) of DIx.

00008000: Add Relay Function to Child

Adds relay function to child devices in continuous mode. Maximum relay steps is 1.

00001000: Set Max Relay Steps to 2 for Child Relay

Changes maximum relay steps to 2 when 00008000: Add Relay Function to Child is set.

00002000: Set Max Relay Steps to 3 for Child Relay

Changes maximum relay steps to 3 when 00008000: Add Relay Function to Child is set.

00010000: Invert PWMx Waveform

Inverts the output waveform of PWMx.

When maximum value is input to AIx, PWMx becomes Low.

00020000: Turn Off PWMx After Startup

Sets PWMx output to Low state after startup or reset.

00080000: Alternative Port Assignment

Enables alternative port assignment.

Connecting transistors etc. to PWM2/PWM3 may cause unstable operation (Details). Use this option in such cases.

00100000: Turn Off DOx for 2 Seconds After Startup

Sets DOx to Low state for 2 seconds after startup or reset.

You can light LEDs connected to DOx at startup.

00400000: Invert DOx Output

Inverts DOx output.

Unlike the initial state, when one DI is Low level, the other DO is High level.

00800000: Disable Internal Pull-up of DOx

Disables all internal pull-ups (about 50kΩ) of DOx.