## LCD Display: KD018QQTBN009-RT
Link to manufacturer: http://en.tft-tft.com/product/detail?id=19
### uC pinouts and signals
| FRONT PANEL UNIT | ||
| STM32F103RCT6 - LQFP64 | ||
| Pin no | Pin name | Description |
| 51 | PC10 | USART_3_Rx 3.5mm PC_RING |
| 52 | PC11 | USART_3_Tx 3.5mm PC_TIP |
| 42 | PA9 | USART_1_Tx to MAIN DB9_2 |
| 43 | PA10 | USART_1_Rx from MAIN DB9_3 |
| MAIN UNIT | ||
| STM32F429ZGT6 - LQFP144 | ||
| Pin no | Pin name | Description |
| 96 | PC6 | USART_6_Tx to Front Panel DB9_3 |
| 97 | PC7 | USART_6_Rx from Front Panel DB9_2 |
DB9 connector between MAIN UNIT and FRONT PANEL
| Pin | Description |
|---|---|
| 1 | 9V after POWER ON from PWR Board LM2940-9.0 LDO |
| 2 | USART From PANEL to MAIN UNIT |
| 3 | USART From MAIN UNIT to PANEL |
| 4 | Vcc (13.8V) on stand by /POWER COMMAND/ 3V3 on POWER ON |
| 5 | GND |
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