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NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 144 -
Revision V1.30
NUC97
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CHNIC
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KPI Controller Clock Divider
5.3.3.8
XT1_IN (12 MHz)
KPI_SrcCLK
ECLK
KPI
KPI
(CLK_PCLKEN1[25])
CLK_SW2
(2-to-1)
(MUX)
CLK_DIVn
(÷ (KPI_N+1))
X32_IN (32.768 kHz)
KPI_S
(CLK_DIVCTL7[15])
KPI_N
(CLK_DIVCTL7[14:8])
Note:
Before clock switching, both the pre-selected and
newly selected clock sources must be turned on and stable.
Figure 5.3-8 KPI Controller Clock Divider Block Diagram
LCD Display Controller Clock Divider
5.3.3.9
APLLFout
LCD_SDIV
(CLK_DIVCTL1[2:0])
LCD_N
(CLK_DIVCTL1[15:8])
LCD_SrcCLK
ECLK
LCD
LCD
(CLK_HCLKEN[25])
ACLKOut
UCLKout
CLK_SW4
(4-to-1)
(MUX)
CLK_DIVn
(÷ (LCD_N+1))
UPLLFout
LCD_S
(CLK_DIVCTL1[4:3])
XT1_IN
CLK_DIVn
(÷ (L1))
CLK_DIVn
(÷ (L1))
Note:
Before clock switching, both the pre-selected and
newly selected clock sources must be turned on and stable.
Figure 5.3-9 LCD Display Controller Clock Divider Block Diagram
Reference Clock Output Divider
5.3.3.10
APLLFout
CKO_SDIV
(CLK_DIVCTL9[18:16])
CKO_N
(CLK_DIVCTL9[31:24])
CKO_SrcCLK
CKO_CLK
CKO
(CLK_HCLKEN[15])
ACLKOut
UCLKout
CLK_SW4
(4-to-1)
(MUX)
CLK_DIVn
(÷ (CKO_N+1))
UPLLFout
CKO_S
(CLK_DIVCTL9[20:19])
XT1_IN
CLK_DIVn
(÷ (C1))
CLK_DIVn
(÷ (C1))
Note:
Before clock switching, both the pre-selected and
newly selected clock sources must be turned on and stable.
Figure 5.3-10 Reference Clock Output Divider Block Diagram