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Update w55rp20-s2e-an-spi-mode-en.md
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‎docs/Product/ioNIC/W55RP20/W55RP20-S2E/w55rp20-s2e-an-spi-mode-en.md‎

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@@ -19,16 +19,16 @@ When the W55RP20-S2E (SPI Slave) needs to send data, the SPI_INT (GPIO26) signal
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## 3. Pinout
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| Fuction |Pin Number|Symbol | Description |
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|--------------|----------|--------|-------------------------------------------------------------|
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| SPI_SCK | 67 | GPIO2 | SCK input pin for Data SPI transmission (SPI MODE) |
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| *SPI_MISO | 68 | GPIO3 | MISO pin for Data SPI reception (SPI MODE) |
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| *SPI_MOSI | 9 | GPIO4 | MOSI pin for Data SPI transmission (SPI MODE) |
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| SPI_CSn | 10 | GPIO5 | SPI Chip Select pin (SPI MODE) |
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| SPI_INT | 46 | GPIO26 | SPI Master Recv data pending pin |
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| UART_SPI_SEL | 19 | GPIO13 | UART/SPI interface select pin<br />(High:SPI, Low/NC:UART) |
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| Debug_UART_TX| 65 | GPIO0 | TX pin for Output Debug Messages |
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| Debug_UART_RX| 66 | GPIO1 | RX pin for Output Debug Messages |
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| Fuction |Pin Number |Symbol | Description |
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|--------------|:----------:|--------|-------------------------------------------------------------|
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| SPI_SCK | 67 | GPIO2 | SCK input pin for Data SPI transmission (SPI MODE) |
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| *SPI_MISO | 68 | GPIO3 | MISO pin for Data SPI reception (SPI MODE) |
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| *SPI_MOSI | 9 | GPIO4 | MOSI pin for Data SPI transmission (SPI MODE) |
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| SPI_CSn | 10 | GPIO5 | SPI Chip Select pin (SPI MODE) |
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| SPI_INT | 46 | GPIO26 | SPI Master Recv data pending pin |
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| UART_SPI_SEL | 19 | GPIO13 | UART/SPI interface select pin<br />(High:SPI, Low/NC:UART) |
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| Debug_UART_TX| 65 | GPIO0 | TX pin for Output Debug Messages |
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| Debug_UART_RX| 66 | GPIO1 | RX pin for Output Debug Messages |
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***Note: SPI_MOSI and SPI_MISO should be connected in a cross-wired manner.**
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@@ -53,11 +53,16 @@ To transmit TCP or UDP data, follow these steps:
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***NACK** : If the Master sends a Data Length exceeding 2048 bytes or if the Slave is not connected to a network, it responds with NACK (0x0B + 3 dummy bytes (0xFF)).
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_frame1.png" height="180" /><br />
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*Figure 1. SPI TX Data Frame ①*
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| |
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_frame1.png" height="180" /> |
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| Figure: <strong>SPI TX Data Frame ①</strong> |
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_frame2.png" height="180" /><br />
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*Figure 2. SPI TX Data Frame ②*
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| |
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_frame2.png" height="180" /> |
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| Figure: <strong>SPI TX Data Frame ②</strong> |
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#### 4.1.2 RX Data Frame
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@@ -69,11 +74,15 @@ To receive TCP or UDP data, follow these steps:
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5. The Slave sends the data in the Data Phase.
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6. Upon completion, the SPI_INT signal is set to High.
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_frame1.png" height="180" /><br />
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*Figure 3. SPI RX Data Frame ①*
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| |
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_frame1.png" height="180" /> |
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| Figure: <strong>SPI RX Data Frame ①</strong> |
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_frame2.png" height="180" /><br />
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*Figure 4. SPI RX Data Frame ②*
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| |
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_frame2.png" height="180" /> |
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| Figure: <strong>SPI RX Data Frame ②</strong> |
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### 4.2 Master AT CMD Frame
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@@ -89,11 +98,15 @@ To send an AT command, follow these steps:
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**Note**: refer to the [AT Command Manual](./command-manual-en.md) document for details on the AT CMD format.
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_frame1.png" height="180" /><br />
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*Figure 5. SPI AT CMD TX(SET) Frame ①*
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| |
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_frame1.png" height="180" /> |
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| Figure: <strong>SPI AT CMD TX(SET) Frame ①</strong> |
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_frame2.png" height="180" /><br />
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*Figure 6. SPI AT CMD TX(SET) Frame ②*
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| |
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_frame2.png" height="180" /> |
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| Figure: <strong>SPI AT CMD TX(SET) Frame ②</strong> |
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#### 4.2.2 AT CMD RX(GET) Frame
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@@ -106,11 +119,15 @@ To get an AT command response, follow these steps:
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**Note**: refer to the [AT Command Manual](./command-manual-en.md) document for details on the AT CMD format.
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_frame1.png" height="180" /><br />
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*Figure 7. SPI AT CMD RX(GET) Frame ①*
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| |
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_frame1.png" height="180" /> |
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| Figure: <strong>SPI AT CMD RX(GET) Frame ①</strong> |
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_frame2.png" height="180" /><br />
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*Figure 8. SPI AT CMD RX(GET) Frame ②*
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| |
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_frame2.png" height="180" /> |
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| Figure: <strong>SPI AT CMD RX(GET) Frame ②</strong> |
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## 5. Operation
@@ -121,28 +138,36 @@ To get an AT command response, follow these steps:
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To transmit TCP or UDP DATA, proceed as followings.
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_flowchart.png" width="180" /><br />
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*Figure 9. SPI TX Data Operation Flowchart*
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| |
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_flowchart.png" width="450" /> |
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| Figure: <strong>SPI TX Data Operation Flowchart</strong> |
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#### 5.1.2 RX Data Opertion
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#### 5.1.2 RX Data Operation
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To receive TCP or UDP DATA, proceed as followings.
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_flowchart.png" width="180" /><br />
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*Figure 10. SPI RX Data Operation Flowchart*
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_flowchart.png" width="450" /> |
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| Figure: <strong>SPI RX Data Operation Flowchart</strong> |
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### 5.2 AT CMD Operation
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#### 5.1.1 AT CMD TX(SET) Opertion
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#### 5.1.1 AT CMD TX(SET) Operation
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To transmit AT commands, proceed as followings.
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_flowchart.png" width="180" /><br />
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*Figure 11. SPI AT CMD TX(SET) Operation Flowchart*
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| |
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_flowchart.png" width="450" /> |
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| Figure: <strong>SPI AT CMD TX(SET) Operation Flowchart</strong> |
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#### 5.1.2 AT CMD RX(GET) Opertion
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#### 5.1.2 AT CMD RX(GET) Operation
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To receive AT commands, proceed as followings.
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<img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_flowchart.png" width="180" /><br />
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*Figure 12. SPI AT CMD RX(GET) Operation Flowchart*
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| :------------------------------------------------------------------------------------------: |
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| <img src="/img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_flowchart.png" width="450" /> |
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| Figure: <strong>SPI AT CMD RX(GET) Operation Flowchart</strong> |

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