User manual
...the world's most energy friendly microcontrollers
2012-04-24 - Giant Gecko Family - d0053_Rev0.96 479
www.energymicro.com
17.5.8 USARTn_RXDATA - RX Buffer Data Register
Offset Bit Position
0x01C
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
Access
R
Name
RXDATA
Bit Name Reset Access Description
31:8 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
7:0 RXDATA 0x00 R RX Data
Use this register to access data read from USART. Buffer is cleared on read access. Only the 8 LSB can be read using this register.
17.5.9 USARTn_RXDOUBLEX - RX Buffer Double Data Extended Register
Offset Bit Position
0x020
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
0
0
0x000
Access
R
R
R
R
R
R
Name
FERR1
PERR1
RXDATA1
FERR0
PERR0
RXDATA0
Bit Name Reset Access Description
31 FERR1 0 R Data Framing Error 1
Set if data in buffer has a framing error. Can be the result of a break condition.
30 PERR1 0 R Data Parity Error 1
Set if data in buffer has a parity error (asynchronous mode only).
29:25 Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
24:16 RXDATA1 0x000 R RX Data 1
Second frame read from buffer.
15 FERR0 0 R Data Framing Error 0
Set if data in buffer has a framing error. Can be the result of a break condition.
14 PERR0 0 R Data Parity Error 0
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 RXDATA0 0x000 R RX Data 0
First frame read from buffer.