CXD5602 User Manual
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3.7.3
I2C2
The I2C2 is the I2C master and supports Standard and Fast Mode.
3.7.3.1
Register List
Table I2C-81 shows a register list of the I2C2.
Table I2C-73 I2C2 Register List
Address
Register Name
Type
Description
initial
Value
0x041AA000
|
0x041AAFFF
I2C2 register (For details, refer to the API)
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3.7.3.2
Clock and Reset
Figure I2C-40 shows the clock and reset system of the I2C2.
When accessing the I2C2 register, supply the clock to the AHB/APB Bus Bridge.
SWRESET_BUS.XRST_I2CM_SUB
CK
GATE
SYSIOP_SUB_CKEN.I2CM_SUB
1/M
CKDIV_COM.CK_COM
0
3
2
1
RCOSC
XOSC
RTC_CLK_IN
(32.768kHz)
AHB/APB
BusBridge
CK
GATE
1/M
SYSIOP_SUB_CKEN.AHB_BRG_COMIF
ck_cpu_bus
CKDIV_CPU_DSP_BUS.CK_M0
CKDIV_CPU_DSP_BUS.CK_AHB
ck_rf_pll_1
PWD_RESET0.PWD_SYSIOP_SUB
ck_ahb_gear
ck_com_gear
SYSPLL
0
3
2
1
0
1
1/2
1/3
1/4
1/5
CKSEL_ROOT.RFPLL1_STAT_CLK_SEL4
CKSEL_ROOT.CPU_PLL_DIV5
I2C2
PCLK
I2CCLK
PRESETn
Auto(PWD_SYSIOP_SUB Power Domain ON)
1/M
CK
GATE
SYSIOP_SUB_CKEN.COM_BRG
CKSEL_ROOT.STAT_CLK_SEL4
Figure I2C-40
I2C2 Clock and Reset System
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