EFM32WG Datasheet, PDF (438/834 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
31:8
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
7:1
ADDR
0x00
RW
Slave address
Specifies the slave address of the device.
0
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
16.5.7 I2Cn_SADDRMASK - Slave Address Mask Register
Offset
0x018
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)
7:1
MASK
0x00
RW
Slave Address Mask
Specifies the significant bits of the slave address. Setting the mask to 0x00 will match all addresses, while setting it to 0x7F will only
match the exact address specified by ADDR.
0
Reserved
To ensure compatibility with future devices, always write bits to 0. More information in Section 2.1 (p. 3)
16.5.8 I2Cn_RXDATA - Receive Buffer Data Register
Offset
0x01C
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)
7:0
RXDATA
0x00
R
RX Data
Use this register to read from the receive buffer. Buffer is emptied on read access.
2013-05-08 - Wonder Gecko Family - d0233_Rev0.50
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