Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet
Product codes
ATSAM4S-WPIR-RD
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
824
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 798.
This register can only be written if the WPEN bit is cleared in “USART Write Protection Mode Register” on page 827.
This register can only be written if the WPEN bit is cleared in “USART Write Protection Mode Register” on page 827.
• 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
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
6
5
4
3
2
1
0
IRDA_FILTER