ISD94100 Series Technical Reference Manual
Sep 9, 2019
Page
618
of 928
Rev1.09
IS
D
9
410
0
S
ER
IE
S
T
E
C
HN
ICA
L
RE
F
E
RE
NCE
M
AN
U
AL
Control Register
APB Interface
Bus Clock Control
Wakeup Control
Bus Protocol
Interface Control
I2Cn_SCL
I2Cn_SDA
Bus
Management
Control
I2Cn_SMBAL
I2Cn_SMBSUS
Note:
n = 0 or 1
Figure 6.13-1 I
2
C Controller Block Diagram
6.13.4 Basic Configuration
6.13.4.1 I2C0 Basic Configurations
Clock source configuration
–
Enable I2C0 peripheral clock in I2C0CKEN (CLK_APBCLK0[8]).
Reset configuration
–
Reset I2C0 controller in I2C0RST (SYS_IPRST1[8]).
Pin configuration
Group
Pin Name
GPIO
MFP
I2C0
I2C0_SCL
PA.9
MFP1
PB.0
MFP2
PB.6
MFP3
PC.13
MFP2
PD.0
MFP3
PD.8
MFP4
PD.14
MFP3
I2C0_SDA
PA.10
MFP1
PB.1
MFP2
PB.5
MFP3