CXD5602 User Manual
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3.8.4.3.2
Clock Supply Stop
Perform the following control to stop supplying the HCLK clock of the HDMAC.
1.
Clock supply stop
SYSIOP_CKEN.AHB_DMAC1
=1'b0
3.8.5
SYDMAC
3.8.5.1
Register List
Table DMAC-87 shows the registers that control the SYDMAC.
Table DMAC-79
SYDMAC Control Register List
Address
Register Name
Type
Description
initial
Value
0x04122000
|
0x04122FFC
Single Master DMA Controller (PL081)
register
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3.8.5.2
Clock and Reset
Figure DMAC-46 shows the clock and reset system diagram of the SYDMAC.
Reset of the SYDMAC is automatically released when the PWD_SYSIOP power domain is turned ON.
0
3
2
1
RCOSC
XOSC
RTC_CLK_IN
(32.768kHz)
SYDMAC
CK
GATE
ck_cpu_bus
CKDIV_CPU_DSP_BUS.CK_M0
ck_rf_pll_1
ck_ahb_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
CKDIV_CPU_DSP_BUS.CK_AHB
HCLK
SYSIOP_CKEN.AHB_DMAC2
Auto(PWD_SYSIOP Power Domain ON)
HRESETn
1/M
1/M
CKSEL_ROOT.STAT_CLK_SEL4
Figure DMAC-46 SYDMAC Clock and Reset System
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