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ST STM32F446 Series User Manual

ST STM32F446 Series
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RM0390 Rev 4 793/1328
RM0390 Inter-integrated circuit (I
2
C) interface
793
24.6.11 I
2
C register map
The table below provides the I
2
C register map and reset values.
Refer to Section 2.2.2 for the register boundary addresses.
Table 144. I
2
C register map and reset values
Offset Register
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x00
I2C_CR1
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SWRST
Res.
ALERT
PEC
POS
ACK
STOP
START
NOSTRETCH
ENGC
ENPEC
ENARP
SMBTYPE
Res.
SMBUS
PE
Reset value 0 00000000000 00
0x04
I2C_CR2
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
LAST
DMAEN
ITBUFEN
ITEVTEN
ITERREN
Res.
Res.
FREQ[5:0]
Reset value 00000 000000
0x08
I2C_OAR1
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
ADDMODE
Res.
Res.
Res.
Res.
Res.
ADD[
9:8]
ADD[7:1]
ADD0
Reset value 0 0000000000
0x0C
I2C_OAR2
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
ADD2[7:1]
ENDUAL
Reset value 00000000
0x10
I2C_DR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
DR[7:0]
Reset value 00000000
0x14
I2C_SR1
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SMBALERT
TIMEOUT
Res.
PECERR
OVR
AF
ARLO
BERR
TxE
RxNE
Res.
STOPF
ADD10
BTF
ADDR
SB
Reset value 00 0000000 00000
0x18
I2C_SR2
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
PEC[7:0]
DUALF
SMBHOST
SMBDEFAULT
GENCALL
Res.
TRA
BUSY
MSL
Reset value 000000000000 000
0x1C
I2C_CCR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
F/S
DUTY
Res.
Res.
CCR[11:0]
Reset value 00 000000000000
0x20
I2C_TRISE
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
TRISE[5:0]
Reset value 000010
0x24
I2C_FLTR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
ANOFF
DNF[3:0]
Reset value 00000

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ST STM32F446 Series Specifications

General IconGeneral
BrandST
ModelSTM32F446 Series
CategoryMicrocontrollers
LanguageEnglish

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