@@ -19,16 +19,16 @@ When the W55RP20-S2E (SPI Slave) needs to send data, the SPI_INT (GPIO26) signal
1919
2020## 3. Pinout  
2121
22- |  Fuction      | Pin Number| Symbol  |  Description                                                 | 
23- | --------------| ----------| --------| -------------------------------------------------------------| 
24- |  SPI_SCK      |   67      |  GPIO2  |  SCK input pin for Data SPI transmission (SPI MODE)          | 
25- |  * SPI_MISO    |   68      |  GPIO3  |  MISO pin for Data SPI reception (SPI MODE)                  | 
26- |  * SPI_MOSI    |   9       |  GPIO4  |  MOSI pin for Data SPI transmission (SPI MODE)               | 
27- |  SPI_CSn      |   10      |  GPIO5  |  SPI Chip Select pin (SPI MODE)                              | 
28- |  SPI_INT      |   46      |  GPIO26 |  SPI Master Recv data pending pin                            | 
29- |  UART_SPI_SEL |   19      |  GPIO13 |  UART/SPI interface select pin<br  />(High: SPI , Low/NC: UART )  | 
30- |  Debug_UART_TX|   65      |  GPIO0  |  TX pin for Output Debug Messages                            | 
31- |  Debug_UART_RX|   66      |  GPIO1  |  RX pin for Output Debug Messages                            | 
22+ |  Fuction      | Pin Number   | Symbol  |  Description                                                 | 
23+ | --------------| : ----------: | --------| -------------------------------------------------------------| 
24+ |  SPI_SCK      |   67         |  GPIO2  |  SCK input pin for Data SPI transmission (SPI MODE)          | 
25+ |  * SPI_MISO    |   68         |  GPIO3  |  MISO pin for Data SPI reception (SPI MODE)                  | 
26+ |  * SPI_MOSI    |   9          |  GPIO4  |  MOSI pin for Data SPI transmission (SPI MODE)               | 
27+ |  SPI_CSn      |   10         |  GPIO5  |  SPI Chip Select pin (SPI MODE)                              | 
28+ |  SPI_INT      |   46         |  GPIO26 |  SPI Master Recv data pending pin                            | 
29+ |  UART_SPI_SEL |   19         |  GPIO13 |  UART/SPI interface select pin<br  />(High: SPI , Low/NC: UART )  | 
30+ |  Debug_UART_TX|   65         |  GPIO0  |  TX pin for Output Debug Messages                            | 
31+ |  Debug_UART_RX|   66         |  GPIO1  |  RX pin for Output Debug Messages                            | 
3232
3333  *** Note: SPI_MOSI and SPI_MISO should be connected in a cross-wired manner.** 
3434
@@ -53,11 +53,16 @@ To transmit TCP or UDP data, follow these steps:
5353
5454*** 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)).
5555
56- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_frame1.png "  height =" 180 "  /><br  />
57- * Figure 1. SPI TX Data Frame ①* 
56+ |                                                                                               | 
57+ |  :------------------------------------------------------------------------------------------: | 
58+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_frame1.png "  height =" 180 "  />      | 
59+ |  Figure: <strong >SPI TX Data Frame ①</strong >                                                 | 
5860
59- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_frame2.png "  height =" 180 "  /><br  />
60- * Figure 2. SPI TX Data Frame ②* 
61+ 
62+ |                                                                                               | 
63+ |  :------------------------------------------------------------------------------------------: | 
64+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_frame2.png "  height =" 180 "  />      | 
65+ |  Figure: <strong >SPI TX Data Frame ②</strong >                                                 | 
6166
6267#### 4.1.2 RX Data Frame  
6368
@@ -69,11 +74,15 @@ To receive TCP or UDP data, follow these steps:
69745.	The Slave sends the data in the Data Phase.
70756.	Upon completion, the SPI_INT signal is set to High.
7176
72- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_frame1.png "  height =" 180 "  /><br  />
73- * Figure 3. SPI RX Data Frame ①* 
77+ |                                                                                               | 
78+ |  :------------------------------------------------------------------------------------------: | 
79+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_frame1.png "  height =" 180 "  />      | 
80+ |  Figure: <strong >SPI RX Data Frame ①</strong >                                                 | 
7481
75- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_frame2.png "  height =" 180 "  /><br  />
76- * Figure 4. SPI RX Data Frame ②* 
82+ |                                                                                               | 
83+ |  :------------------------------------------------------------------------------------------: | 
84+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_frame2.png "  height =" 180 "  />      | 
85+ |  Figure: <strong >SPI RX Data Frame ②</strong >                                                 | 
7786
7887### 4.2 Master AT CMD Frame  
7988
@@ -89,11 +98,15 @@ To send an AT command, follow these steps:
8998
9099** Note** : refer to the [ AT Command Manual] ( ./command-manual-en.md )  document for details on the AT CMD format.
91100
92- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_frame1.png "  height =" 180 "  /><br  />
93- * Figure 5. SPI AT CMD TX(SET) Frame ①* 
101+ |                                                                                               | 
102+ |  :------------------------------------------------------------------------------------------: | 
103+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_frame1.png "  height =" 180 "  />     | 
104+ |  Figure: <strong >SPI AT CMD TX(SET) Frame ①</strong >                                          | 
94105
95- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_frame2.png "  height =" 180 "  /><br  />
96- * Figure 6. SPI AT CMD TX(SET) Frame ②* 
106+ |                                                                                               | 
107+ |  :------------------------------------------------------------------------------------------: | 
108+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_frame2.png "  height =" 180 "  />     | 
109+ |  Figure: <strong >SPI AT CMD TX(SET) Frame ②</strong >                                          |          
97110
98111#### 4.2.2 AT CMD RX(GET) Frame  
99112
@@ -106,11 +119,15 @@ To get an AT command response, follow these steps:
106119
107120** Note** : refer to the [ AT Command Manual] ( ./command-manual-en.md )  document for details on the AT CMD format.
108121
109- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_frame1.png "  height =" 180 "  /><br  />
110- * Figure 7. SPI AT CMD RX(GET) Frame ①* 
122+ |                                                                                               | 
123+ |  :------------------------------------------------------------------------------------------: | 
124+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_frame1.png "  height =" 180 "  />     | 
125+ |  Figure: <strong >SPI AT CMD RX(GET) Frame ①</strong >                                          | 
111126
112- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_frame2.png "  height =" 180 "  /><br  />
113- * Figure 8. SPI AT CMD RX(GET) Frame ②* 
127+ |                                                                                               | 
128+ |  :------------------------------------------------------------------------------------------: | 
129+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_frame2.png "  height =" 180 "  />     | 
130+ |  Figure: <strong >SPI AT CMD RX(GET) Frame ②</strong >                                          | 
114131
115132
116133## 5. Operation  
@@ -121,28 +138,36 @@ To get an AT command response, follow these steps:
121138
122139To transmit TCP or UDP DATA, proceed as followings.
123140
124- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_flowchart.png "  width =" 180 "  /><br  />
125- * Figure 9. SPI TX Data Operation Flowchart* 
141+ |                                                                                               | 
142+ |  :------------------------------------------------------------------------------------------: | 
143+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_data_flowchart.png "  width =" 450 "  />   | 
144+ |  Figure: <strong >SPI TX Data Operation Flowchart</strong >                                     | 
126145
127- #### 5.1.2 RX Data Opertion   
146+ #### 5.1.2 RX Data Operation   
128147
129148To receive TCP or UDP DATA, proceed as followings.
130149
131- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_flowchart.png "  width =" 180 "  /><br  />
132- * Figure 10. SPI RX Data Operation Flowchart* 
150+ |                                                                                               | 
151+ |  :------------------------------------------------------------------------------------------: | 
152+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_data_flowchart.png "  width =" 450 "  />   | 
153+ |  Figure: <strong >SPI RX Data Operation Flowchart</strong >                                     | 
133154
134155### 5.2 AT CMD Operation  
135156
136- #### 5.1.1 AT CMD TX(SET) Opertion   
157+ #### 5.1.1 AT CMD TX(SET) Operation   
137158
138159To transmit AT commands, proceed as followings.
139160
140- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_flowchart.png "  width =" 180 "  /><br  />
141- * Figure 11. SPI AT CMD TX(SET) Operation Flowchart* 
161+ |                                                                                               | 
162+ |  :------------------------------------------------------------------------------------------: | 
163+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_tx_atcmd_flowchart.png "  width =" 450 "  />  | 
164+ |  Figure: <strong >SPI AT CMD TX(SET) Operation Flowchart</strong >                              | 
142165
143- #### 5.1.2 AT CMD RX(GET) Opertion   
166+ #### 5.1.2 AT CMD RX(GET) Operation   
144167
145168To receive AT commands, proceed as followings.
146169
147- <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_flowchart.png "  width =" 180 "  /><br  />
148- * Figure 12. SPI AT CMD RX(GET) Operation Flowchart* 
170+ |                                                                                               | 
171+ |  :------------------------------------------------------------------------------------------: | 
172+ |  <img  src =" /img/products/w55rp20-s2e/w55rp20-s2e_spi_rx_atcmd_flowchart.png "  width =" 450 "  />  | 
173+ |  Figure: <strong >SPI AT CMD RX(GET) Operation Flowchart</strong >                              | 
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