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©2018 Integrated Device Technology, Inc
September 12, 2018
8A3xxxx Family Programming Guide
GPIO_0.GPIO_REF_INPUT_DSQ_3
Select the system DPLL to have its input disqualified when the GPIO is at the configured level. Applies when GPIO_FUNCTION is equal to
'input clock disqualify'.
GPIO_0.GPIO_MAN_CLK_SEL_0
Switch between the configured input using this GPIO. Applies when GPIO_FUNCTION is equal to 'input clock disqualify'.
Table 312: GPIO_0.GPIO_REF_INPUT_DSQ_3 Bit Field Locations and Descriptions
Offset
Address
(Hex)
GPIO_0.GPIO_REF_INPUT_DSQ_3 Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
009h
RESERVED[7:2]
GPIO_DSQ_
LEVEL[1]
DSQ_DPLL_
SYS[0]
GPIO_0.GPIO_REF_INPUT_DSQ_3 Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
RESERVED
N/A
-
This field must not be modified from the read value
GPIO_DSQ_LEVEL[1]
R/W
0
Indicates the GPIO level used to disqualify the selected inputs.
0 = low
1 = high
DSQ_DPLL_SYS[0]
R/W
0
Select system DPLL.
GPIO is used to disqualify selected inputs for system DPLL.
0 = disabled
1 = enabled
Table 313: GPIO_0.GPIO_MAN_CLK_SEL_0 Bit Field Locations and Descriptions
Offset
Address
(Hex)
GPIO_0.GPIO_MAN_CLK_SEL_0 Bit Field Locations
D7
D6
D5
D4
D3
D2
D1
D0
00Ah
ACTIVE_CLK_INDEX[7:4]
INACTIVE_CLK_INDEX[3:0]
GPIO_0.GPIO_MAN_CLK_SEL_0 Bit Field Descriptions
Bit Field Name
Field Type Default Value
Description
ACTIVE_CLK_INDEX[7:4]
R/W
0
Input index.
Select input to be used when GPIO input is one (high).
INACTIVE_CLK_INDEX[3:
0]
R/W
0
Input index.
Select input to be used when GPIO input is zero (low).