Datasheet

814
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
36.8.20 USART IrDA FILTER Register
Name: US_IF
Address: 0x4002404C (0), 0x4002804C (1)
Access: Read/Write
This register is relevant only if USART_MODE = 0x8 in “USART Mode Register” on page 788.
This register can only be written if the WPEN bit is cleared in “USART Write Protection Mode Register” on page 817.
• IRDA_FILTER: IrDA Filter
The IRDA_FILTER value must be defined to meet the following criteria:
t
MCK
* (IRDA_FILTER + 3) < 1.41 µs
31 30 29 28 27 26 25 24
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23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
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76543210
IRDA_FILTER