User manual

...the world's most energy friendly microcontrollers
2012-04-24 - Giant Gecko Family - d0053_Rev0.96 480
www.energymicro.com
17.5.10 USARTn_RXDOUBLE - RX FIFO Double Data Register
Offset Bit Position
0x024
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
Reset
0x00
0x00
Access
R
R
Name
RXDATA1
RXDATA0
Bit Name Reset Access Description
31:16 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
15:8 RXDATA1 0x00 R RX Data 1
Second frame read from buffer.
7:0 RXDATA0 0x00 R RX Data 0
First frame read from buffer.
17.5.11 USARTn_RXDATAXP - RX Buffer Data Extended Peek Register
Offset Bit Position
0x028
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
Reset
0
0
0x000
Access
R
R
R
Name
FERRP
PERRP
RXDATAP
Bit Name Reset Access Description
31:16 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
15 FERRP 0 R Data Framing Error Peek
Set if data in buffer has a framing error. Can be the result of a break condition.
14 PERRP 0 R Data Parity Error Peek
Set if data in buffer has a parity error (asynchronous mode only).
13:9 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
8:0 RXDATAP 0x000 R RX Data Peek
Use this register to access data read from the USART.