User manual

...the world's most energy friendly microcontrollers
2012-04-24 - Giant Gecko Family - d0053_Rev0.96 439
www.energymicro.com
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 Bit Position
0x018
31
30
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2
1
0
Reset
0x00
Access
RW
Name
MASK
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 Bit Position
0x01C
31
30
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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 read from the receive buffer. Buffer is emptied on read access.