COREAI-XX Datasheet, PDF (9/25 Pages) Actel Corporation – CoreAI

CoreAI
Table 4 • CoreAI Parameters/Generics Descriptions (Continued)
Name
Valid Range
Description
CFG_AT9, CFG_AT8, CFG_AT7,
CFG_AT6, CFG_AT5, CFG_AT4,
CFG_AT3, CFG_AT2, CFG_AT1,
CFG_AT0
0 to 1,023
Configure ATx Inputs: Set each of these 10-bit integers to configure the AT9
through AT0 inputs that are connected to the AB macro. The lower 8 bits of
each of these 10-bit integers are reserved for generating firmware settings for
the target processor used with CoreAI and are ignored by the CoreAI
hardware. The upper 2 bits are used to create the settings for each ATx input,
shown in Table 7 on page 10.
For example, if CFG_AT2 is set to the binary value 0000000000 (decimal 0),
the AT2 input will be used as an analog temperature monitor input. If
CFG_AT2 is set to the binary value 0100000000 (decimal 256), the AT2 input
will be used as a digital input, and the buffered DATOUT2 output would be
connected to the user’s own logic. If CFG_AT2 is set to the binary value
1000000000 (decimal 512), the AT2 input will be used as an analog voltage
monitor input. If CFG_AT2 is set to the binary value 1100000000 (decimal
768), the AT2 input will be disabled; in this case, the CoreAI AT2 input will not
be used and the AT2 input of the AB macro will be hardwired to logic 0 within
CoreAI.
CFG_GD9, CFG_GD8, CFG_GD7,
CFG_GD6, CFG_GD5, CFG_GD4,
CFG_GD3, CFG_GD2, CFG_GD1,
CFG_GD0
0 to 1,023
Configure Gate Drivers: Set each of these 10-bit integers to configure the
GDON9 through GDON0 inputs and the AG9 through AG0 outputs that are
connected to the AB macro. The lower 8 bits of each of these 10-bit integers
are reserved for generating firmware settings for the target processor used
with CoreAI and are ignored by the CoreAI hardware. The upper 2 bits are
used to create the settings shown in Table 8 on page 10.
For example, if CFG_GD1 is set to the binary value 0000000000 (decimal 0),
the AG1 gate-driver output will be controlled by a software-controlled register
within CoreAI (ADC Control Register 5). If CFG_GD1 is set to the binary value
0100000000 (decimal 256), the DDGDON1 input (connected to the user’s
own logic) will be used to directly control the AG1 gate-driver output. If
CFG_GD1 is set to the binary value 1100000000 (decimal 768), the AG1
output will be disabled; in this case, the CoreAI AG1 output will not be used
and the GDON1 input of the AB macro will be hardwired to logic 0 within
CoreAI.
Note: *Invalid values are 3, 7, 11, and 15 (refer to the Fusion datasheet).
Table 5 • Settings for AVx Inputs
CFG_AVx Bit-Position Values ('X' indicates "don’t care")
9
8
7
6
5
4
3
2
1
0
AVx Input Usage
0
0
X
X
X
X
X
X
X
X Voltage Monitor (default)
0
1
X
X
X
X
X
X
X
X Digital Input
1
0
X
X
X
X
X
X
X
X Reserved (unused)
1
1
X
X
X
X
X
X
X
X Disabled
Table 6 • Settings for ACx Inputs
CFG_ACx Bit-Position Values ('X' indicates "don’t care")
9
8
7
6
5
4
3
2
1
0
ACx Input Usage
0
0
X
X
X
X
X
X
X
X Current Monitor (default)
0
1
X
X
X
X
X
X
X
X Digital Input
1
0
X
X
X
X
X
X
X
X Voltage Monitor
1
1
X
X
X
X
X
X
X
X Disabled
v2.0
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