BAUD

Name:: BAUD
Offset:: 0x0C
Reset:: 0x0000
Access:: PAC Write-Protection, Enable-Protected

Bit31	30	29	28	27	26	25	24
HSBAUDLOW[7:0]
AccessR/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset0	0	0	0	0	0	0	0
Bit23	22	21	20	19	18	17	16
HSBAUD[7:0]
AccessR/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset0	0	0	0	0	0	0	0
Bit15	14	13	12	11	10	9	8
BAUDLOW[7:0]
AccessR/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset0	0	0	0	0	0	0	0
Bit7	6	5	4	3	2	1	0
BAUD[7:0]
AccessR/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset0	0	0	0	0	0	0	0

Bits 31:24 – HSBAUDLOW[7:0]: High Speed Master Baud Rate Low

High Speed Master Baud Rate Low

HSBAUDLOW non-zero: HSBAUDLOW indicates the SCL low time in High-speed mode according to

HSBAUDLOW=fGCLK⋅TLOW−1

HSBAUDLOW equal to zero: The HSBAUD register is used to time T_LOW,T_HIGH,T_SU;STO, T_HD;STAand T_SU;STA.. T_BUFis timed by the BAUD register.

Bits 23:16 – HSBAUD[7:0]: High Speed Master Baud Rate

High Speed Master Baud Rate

This bit field indicates the SCL high time in High-speed mode according to the following formula. When HSBAUDLOW is zero, T_LOW,T_HIGH,T_SU;STO,T_HD;STAand T_SU;STAare derived using this formula. T_BUF is timed by the BAUD register.

HSBAUD=fGCLK⋅THIGH−1

Bits 15:8 – BAUDLOW[7:0]: Master Baud Rate Low

Master Baud Rate Low

If this bit field is non-zero, the SCL low time will be described by the value written.

For more information on how to calculate the frequency, see SERCOM Clock Generation – Baud-Rate Generator.

Bits 7:0 – BAUD[7:0]: Master Baud Rate

Master Baud Rate

This bit field is used to derive the SCL high time if BAUD.BAUDLOW is non-zero. If BAUD.BAUDLOW is zero, BAUD will be used to generate both high and low periods of the SCL.

For more information on how to calculate the frequency, see SERCOM Clock Generation – Baud-Rate Generator.