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EFM32WG Datasheet, PDF (95/834 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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8.7.29 DMA_CHx_CTRL - Channel Control Register
Offset
0x1100
Reset
Access
Bit Position
Name
Bit
31:22
21:16
15:4
3:0
Name
Reset
Access Description
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
SOURCESEL
0x00
RW
Source Select
Select input source to DMA channel.
Value
0b000000
0b001000
0b001010
0b001100
0b001101
0b001110
0b010000
0b010001
0b010100
0b010101
0b011000
0b011001
0b011010
0b011011
0b101100
0b101101
0b110000
0b110001
0b110010
0b110011
Mode
NONE
ADC0
DAC0
USART0
USART1
USART2
LEUART0
LEUART1
I2C0
I2C1
TIMER0
TIMER1
TIMER2
TIMER3
UART0
UART1
MSC
AES
LESENSE
EBI
Description
No source selected
Analog to Digital Converter 0
Digital to Analog Converter 0
Universal Synchronous/Asynchronous Receiver/Transmitter 0
Universal Synchronous/Asynchronous Receiver/Transmitter 1
Universal Synchronous/Asynchronous Receiver/Transmitter 2
Low Energy UART 0
Low Energy UART 1
I2C 0
I2C 1
Timer 0
Timer 1
Timer 2
Timer 3
Universal Asynchronous Receiver/Transmitter 0
Universal Asynchronous Receiver/Transmitter 0
Advanced Encryption Standard Accelerator
Low Energy Sensor Interface
External Bus Interface
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
SIGSEL
0x0
Select input signal to DMA channel.
RW
Signal Select
Value
Mode
SOURCESEL = 0b000000 (NONE)
0bxxxx
OFF
SOURCESEL = 0b001000 (ADC0)
0b0000
ADC0SINGLE
0b0001
ADC0SCAN
SOURCESEL = 0b001010 (DAC0)
0b0000
DAC0CH0
0b0001
DAC0CH1
SOURCESEL = 0b001100
(USART0)
0b0000
USART0RXDATAV
0b0001
USART0TXBL
0b0010
USART0TXEMPTY
Description
Channel input selection is turned off
ADC0SINGLE
ADC0SCAN
DAC0CH0
DAC0CH1
USART0RXDATAV REQ/SREQ
USART0TXBL REQ/SREQ
USART0TXEMPTY
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
95
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