EFM32WG Datasheet, PDF (507/834 Pages) List of Unclassifed Manufacturers – The EFM32WG Wonder Gecko is the ideal choice for demanding 8-, 16-, and 32-bit energy sensitive applications.

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Bit
Name
Reset
Access Description
Value
0
1
Mode
ONE
TWO
Description
One stop-bit is transmitted with every frame
Two stop-bits are transmitted with every frame
3:2
PARITY
0x0
RW
Parity-Bit Mode
Determines whether parity bits are enabled, and whether even or odd parity should be used.
Value
0
2
3
Mode
NONE
EVEN
ODD
Description
Parity bits are not used
Even parity are used. Parity bits are automatically generated and checked by hardware.
Odd parity is used. Parity bits are automatically generated and checked by hardware.
1
DATABITS
0
RW
Data-Bit Mode
This register sets the number of data bits.
Value
0
1
Mode
EIGHT
NINE
Description
Each frame contains 8 data bits
Each frame contains 9 data bits
0
AUTOTRI
0
RW
Automatic Transmitter Tristate
When set, LEUn_TX is tristated whenever the transmitter is inactive.
Value
0
1
Description
LEUn_TX is held high when the transmitter is inactive. INV inverts the inactive state.
LEUn_TX is tristated when the transmitter is inactive
19.5.2 LEUARTn_CMD - Command Register (Async Reg)
For more information about Asynchronous Registers please see Section 5.3 (p. 21) .
Offset
0x004
Reset
Access
Bit Position
Name
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
CLEARRX
0
W1
Clear RX
Set to clear receive buffer and the RX shift register.
6
CLEARTX
0
W1
Clear TX
Set to clear transmit buffer and the TX shift register.
5
RXBLOCKDIS
0
W1
Receiver Block Disable
Set to clear RXBLOCK, resulting in all incoming frames being loaded into the receive buffer.
4
RXBLOCKEN
0
W1
Receiver Block Enable
Set to set RXBLOCK, resulting in all incoming frames being discarded.
3
TXDIS
0
W1
Transmitter Disable
Set to disable transmission.
2
TXEN
0
W1
Transmitter Enable
Set to enable data transmission.
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
507
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