RS-232C
Communication Format
Asynchronous, bit serial signal
• Based on RS-232C
• Data signaling rate: 38400 bit/sec
• Start bit: 1 bit
• Data bit: 8 bits
• Parity: Even
• Stop bit: 1 bit
1(Mark)
BIT
BIT
BIT
BIT
BIT
BIT
BIT
PARITY
STOP
START
BIT
5
0(LSB)
2
3
4
6
7(MSB)
BIT
BIT
BIT
1
0(Space)
3
Communication Format