afs600 Actel Corporation, afs600 Datasheet - Page 94
afs600
Manufacturer Part Number
afs600
Description
Actel Fusion Programmable System Chips Mixed-signal Family With Optional Arm Support
Manufacturer
Actel Corporation
Datasheet
1.AFS600.pdf
(296 pages)
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Direct Digital Input
The AV, AC, and AT pads can also be configured as high-
voltage digital inputs
12 V–tolerant, the digital input can also be up to 12 V.
However, the frequency at which these pads can operate
is limited to 10 MHz.
To enable one of these analog input pads to operate as a
digital input, its corresponding Digital Input Enable
(DENAxy) pin on the Analog Block must be pulled HIGH,
where x is either V, C, or T (for AV, AC, or AT pads,
Figure 2-69 • Analog Quad Direct Digital Input Configuration
2 -8 0
Actel Fusion Programmable System Chips
Off-Chip
On-Chip
Pads
AV
Digital
Prescaler
Input
Monitor Block
Voltage
(Figure
(DAVOUTx)
To FPGA
To Analog MUX
2-69). As these pads are
Monitor / Instr
AC
Amplifier
Digital
Prescaler
Current
Input
Monitor Block
(DACOUTx)
Current
To FPGA
Analog Quad
A d v a n c e d v 1 . 4
To Analog MUX
respectively) and y is in the range 0 to 9, corresponding
to the appropriate Analog Quad.
When the pad is configured as a digital input, the signal
will come out of the Analog Block macro on the
appropriate DAxOUTy pin, where x represents the pad
type (V for AV pad, C for AC pad, or T for AT pad) and y
represents the appropriate Analog Quad number.
Example: If the AT pad in Analog Quad 5 is configured as
a digital input, it will come out on the DATOUT5 pin of
the Analog Block macro.
Gate Driver
From FPGA
(GDONx)
MOSFET
Power
AG
Driver
Gate
AT
Temperature
Digital
Input
Monitor
Prescaler
Monitor Block
Temperature
(DATOUTx)
To FPGA
To Analog MUX
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