UM0306 Inter-integrated circuit (I2C) interface
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Figure 139. I
2
C interrupt mapping diagram
15.6 I2C register description
Refer to Section 1.1 on page 23 for a list of abbreviations used in register descriptions.
15.6.1 Control register 1(I2C_CR1)
Address offset: 00h
Reset Value: 0000h
ADDR
SB
ADD10
RxNE
TxE
BTF
it_event
ARLO
BERR
AF
OVR
PECERR
TIMEOUT
SMBAlert
ITERREN
it_error
ITEVFEN
ITBUFEN
STOPF
15141312111098 7 6543210
SW
RST
Res. ALERT PEC POS ACK STOP START
NO
STRETCH
ENGC
EN
PEC
EN
ARP
SMB
TYPE
Res.
SM
BUS
PE
rw rw rw rw rw rw rw rw rw rw rw rw rw rw