Xilinx LogiCORE IP v1.02a Product Manual page 39

Table 4-1: I/O Module Parameters (Cont'd)
Parameter Name
C_PITx_PRESCALER
C_PITx_INTERRUPT
(2)
C_USE_GPOx
(2)
C_GPOx_SIZE
(2)
C_GPOx_INIT
(2)
C_USE_GPIx
(2)
C_GPIx_SIZE
C_INTC_USE_EXT_INTR
C_INTC_INTR_SIZE
C_INTC_LEVEL_EDGE
C_INTC_POSITIVE
C_INTC_HAS_FAST
C_INTC_ADDR_WIDTH
C_INTC_BASE_VECTORS
1. Values automatically populated by tool.
2. x =1, 2, 3 or 4.
3. Selecting PIT prescaler the same as PITx is illegal, e.g. PIT2 cannot be prescaler to itself.
4. The 7 least significant bits must all be 0.
I/O Module v1.02a
PG052 October 16, 2012
Feature/Description
(2)(3)
Select PITx prescaler
(2)
Use PITx_Interrupt in INTC
GPO Parameters
Use GPOx
Size of GPOx
Initial value for GPOx
GPI Parameters
Use GPIx
Size of GPIx
INTC Parameters
Use I/O Module external
interrupt inputs
Number of external
interrupt inputs used
Level or edge triggered for
each external interrupt
Polarity for each external
interrupt
Use fast interrupt mode
Interrupt Address width
Relocatable base vector
address
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Allowable Default
Values Value
0 = No prescaler 0
1 = FIT1
2 = FIT2
3 = FIT3
4 = FIT4
5 = PIT1
6 = PIT2
7 = PIT3
8 = PIT4
9 = External
0 = Not Used 0
1 = Used
0 = Not Used
0
1 = Used
1 - 32 32
Fit Range all zeros
(31:0)
0 = Not Used 0
1 = Used
1 - 32 32
0 = Not Used 0
1 = Used
1 - 16 1
For each bit: level
0 = Level
1 = Edge
For each bit: active-High
0 = active-Low
1 =active-High
0 = Not Used 0
1 = Used
5 - 32
32
0x00000000 - 0x00000000
(4)
0xFFFFFF80
Parameter Values
VHDL Type
integer
integer
integer
integer
std_logic_vector
integer
integer
integer
integer
std_logic_vector
std_logic_vector
integer
integer
std_logic_vector
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