Xilinx LogiCORE MicroBlaze, Product Manual

Page: 25 / 64

MicroBlaze Micro Controller System v1.3 www.xilinx.com 24
PG048 December 18, 2012
Chapter 4: Customizing and Generating the Core
C_PITx_PRESCALER
(2)(3)
Select PITx prescaler 0 = No prescaler
1 = FIT1
2 = FIT2
3 = FIT3
4 = FIT4
5 = PIT1
6 = PIT2
7 = PIT3
8 = PIT4
9 = External
0 integer
C_PITx_INTERRUPT
(2)
Use PITx_Interrupt in INTC 0 = Not Used
1 = Used
0 integer
GPO Parameters
C_USE_GPOx
(2)
Use GPOx 0 = Not Used
1 = Used
0 integer
C_GPOx_SIZE
(2)
Size of GPOx 1 - 32 32 integer
C_GPOx_INIT
(2)
Initial value for GPOx Fit Range (31:0)
all zeros
std_logic_
vector
GPI Parameters
C_USE_GPIx
(2)
Use GPIx 0 = Not Used
1 = Used
0 integer
C_GPIx_SIZE
(2)
Size of GPIx 1 - 32 32 integer
C_GPIx_INTERRUPT
(2)
Use GPIx_Interrupt in INTC 0 = Not Used
1 = Used
0 integer
INTC Parameters
C_INTC_USE_EXT_INTR Use I/O Module external
interrupt inputs
0 = Not Used
1 = Used
0 integer
C_INTC_INTR_SIZE Number of external interrupt
inputs used
1 - 16
1 integer
C_INTC_LEVEL_EDGE Level or edge triggered for
each external interrupt
For each bit:
0 = Level
1 = Edge
level
std_logic_
vector
C_INTC_POSITIVE Polarity for each external
interrupt
For each bit:
0 = active-Low
1 = active-High
active-High
std_logic_
vector
C_INTC_HAS_FAST Use fast interrupt mode 0 = Not Used
1 = Used
0 integer
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.
Table 4-1: MicroBlaze MCS Parameters (Cont’d)
Parameter Name Feature/Description
Allowable
Values
Default
Value
VHDL
Type