IEI Integration ICE-QM770 - Manual (Page 74)

ICE-QM770 COM Express Module
Page 62
Mark The parity bit is always 1. This option does not
provide error detection.
Space The parity bit is always 0. This option does not
provide error detection.
Stop Bits [1]
Use the Stop Bits option to specify the number of stop bits used to indicate the end of a
serial data packet. Communication with slow devices may require more than 1 stop bit.
1 D EFAULT Sets the number of stop bits at 1.
2 Sets the number of stop bits at 2.