COPTONIX I2C-RS232-Adapter, Руководство пользователя

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Rev1.4 April 2014
11
4.2.7 SetBaud
sets the baud rate of the UART.
SetBaud command (0x44)
Byte content Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Slave Address A7 A6 A5 A4 A3 A2 A1 0
1 SetBaud 0 1 0 0 0 1 0 0
2 Baud Rate x x x x x Baud (2:0)
Baud
Bit2 Bit1 Bit0
Baud Rate
0 0 0 2400
0 0 1 4800
0 1 0 9600
0 1 1 19200
1 0 0 28800
1 0 1 38400
1 1 0 57600
1 1 1 115200
X (7:3) Do not care
4.2.8 ReadBaud
reads the currently adjusted baud rate.
ReadBaud command (0x45)
Byte content Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Slave Address (W) A7 A6 A5 A4 A3 A2 A1 0
1 GetStatus 0 1 0 0 0 1 0 1
ReadBaud Response
Byte Content Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Slave address (R) A7 A6 A5 A4 A3 A2 A1 1
1 Slave address Slave address of the selected device
2 Baud X X X X X Baud (2:0)