Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Data Sheet

Product codes
AT91SAM9M10-G45-EK
Page of 1361
 546
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
 
31.8.15
USART  Manchester  Configuration  Register
Name:
US_MAN
Addresses:
0xFFF8C050 (0), 0xFFF90050 (1), 0xFFF94050 (2), 0xFFF98050 (3)
Access:
Read-write
• TX_PL:  Transmitter  Preamble  Length
0: The Transmitter Preamble pattern generation is disabled
1 - 15: The Preamble Length is TX_PL x Bit Period
• TX_PP:  Transmitter  Preamble  Pattern
• TX_MPOL:  Transmitter  Manchester  Polarity
0: Logic Zero is coded as a zero-to-one transition, Logic One is coded as a one-to-zero transition.
1: Logic Zero is coded as a one-to-zero transition, Logic One is coded as a zero-to-one transition.
• RX_PL:  Receiver  Preamble  Length
0: The receiver preamble pattern detection is disabled
1 - 15: The detected preamble length is RX_PL x Bit Period
• RX_PP:  Receiver  Preamble  Pattern  detected
31
30
29
28
27
26
25
24
DRIFT
1
RX_MPOL
RX_PP
23
22
21
20
19
18
17
16
RX_PL
15
14
13
12
11
10
9
8
TX_MPOL
TX_PP
7
6
5
4
3
2
1
0
TX_PL
TX_PP
Preamble  Pattern  default  polarity  assumed  (TX_MPOL  field  not  set)
0
0
ALL_ONE
0
1
ALL_ZERO
1
0
ZERO_ONE
1
1
ONE_ZERO
RX_PP
Preamble  Pattern  default  polarity  assumed  (RX_MPOL  field  not  set)
0
0
ALL_ONE
0
1
ALL_ZERO
1
0
ZERO_ONE
1
1
ONE_ZERO