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Inter-integrated circuit (I 2 C) interface
RM0008
24.6.10
I 2 C register map
The table below provides the I 2 C register map and reset values.
Table 172. I 2 C register map and reset values
Offset
Register
0x00
I2C_CR1
Reserved
Reset value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0x04
I2C_CR2
Reserved
FREQ[5:0]
Reset value
0
0
0
0
0
0
0
0
0
0
0
0x08
I2C_OAR1
Reserved
Reserved
ADD[9:8]
ADD[7:1]
Reset value
0
1
0
0
0
0
0
0
0
0
0
0
0x0C
I2C_OAR2
Reserved
ADD2[7:1]
Reset value
0
0
0
0
0
0
0
0
0x10
I2C_DR
Reserved
DR[7:0]
Reset value
0
0
0
0
0
0
0
0
0x14
I2C_SR1
Reserved
Reset value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0x18
I2C_SR2
Reserved
PEC[7:0]
Reset value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0x1C
I2C_CCR
Reserved
CCR[11:0]
Reset value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0x20
I2C_TRISE
Reserved
TRISE[5:0]
Reset value
0
0
0
0
1
0
Refer to Table 1 on page 41 for the register boundary addresses.
652/995
Doc ID 13902 Rev 9
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