SLAU319AF July 2010 – September 2022
Table 4-1 shows the signals used to communicate with the bootloader (through connector J2). The names reflect the pin function as seen from the PC. For example, the PC receives data through the RxD pin, whereas the bootloader needs to drive this signal.
Pin Name | Full Name (PC) | 9-Pin Sub-D | Function on BSL Interface |
---|---|---|---|
RxD | Receive data | 2 | Transmit data to PC |
TxD | Transmit data | 3 | Receive data from PC (and negative supply) |
DTR | Data terminal ready | 4 | Reset control (and positive supply) |
RTS | Request to send | 7 | TEST or TCK control (and positive supply) |
GND | Ground | 5 | Ground |