Data Sheet

463
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
This bit is not synchronized.
z Bit 7 – Reserved
This bit is unused and reserved for future use. For compatibility with future devices, always write this bit to zero
when this register is written. This bit will always return zero when read.
z Bit 6 – SBMODE: Stop Bit Mode
This bit selects the number of stop bits transmitted.
0: One stop bit.
1: Two stop bits.
This bit is not synchronized.
z Bits 5:3 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to
zero when this register is written. These bits will always return zero when read.
z Bits 2:0 – CHSIZE[2:0]: Character Size
These bits select the number of bits in a character.
These bits are not synchronized.
Table 25-12. Character Size
CHSIZE[2:0] Description
0x0 8 bits
0x1 9 bits
0x2-0x4 Reserved
0x5 5 bits
0x6 6 bits
0x7 7 bits