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Table 4-1: MicroBlaze MCS 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_GPIx_INTERRUPT
C_INTC_USE_EXT_INTR
C_INTC_INTR_SIZE
C_INTC_LEVEL_EDGE
C_INTC_POSITIVE
C_INTC_HAS_FAST
1. Values automatically populated by tool.
2. x=1, 2, 3 or 4.
3. Selecting PIT prescaler the same as PITx is illegal; for example, PIT2 cannot be prescaler to itself.
MicroBlaze Micro Controller System v1.3
PG048 December 18, 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
(2)
Use GPIx_Interrupt in INTC
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
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Chapter 4: Customizing and Generating the Core
Allowable
Values
0 = No prescaler
1 = FIT1
2 = FIT2
3 = FIT3
4 = FIT4
5 = PIT1
6 = PIT2
7 = PIT3
8 = PIT4
9 = External
0 = Not Used
1 = Used
0 = Not Used
1 = Used
1 - 32
Fit Range (31:0)
0 = Not Used
1 = Used
1 - 32
0 = Not Used
1 = Used
0 = Not Used
1 = Used
1 - 16
For each bit:
0 = Level
1 = Edge
For each bit:
0 = active-Low
1 = active-High
0 = Not Used
1 = Used
Default
VHDL
Value
Type
0
integer
0
integer
0
integer
32
integer
std_logic_
all zeros
vector
0
integer
32
integer
0
integer
0
integer
1
integer
std_logic_
level
vector
std_logic_
active-High
vector
0
integer
24
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