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P1AFS1500-QN484 Datasheet(PDF) 97 Page - Microsemi Corporation

Part No. P1AFS1500-QN484
Description  Fusion Family of Mixed Signal FPGAs
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

P1AFS1500-QN484 Datasheet(HTML) 97 Page - Microsemi Corporation

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Fusion Family of Mixed Signal FPGAs
Revision 4
2-81
Table 2-36 describes each pin in the Analog Block. Each function within the Analog Block will be
explained in detail in the following sections.
Table 2-36 • Analog Block Pin Description
Signal Name
Number
of Bits
Direction
Function
Location of
Details
VAREF
1
Input/Output Voltage reference for ADC
ADC
ADCGNDREF
1
Input
External ground reference
ADC
MODE[3:0]
4
Input
ADC operating mode
ADC
SYSCLK
1
Input
External system clock
TVC[7:0]
8
Input
Clock divide control
ADC
STC[7:0]
8
Input
Sample time control
ADC
ADCSTART
1
Input
Start of conversion
ADC
PWRDWN
1
Input
ADC comparator power-down if 1.
When asserted, the ADC will stop
functioning, and the digital portion of
the
analog
block
will
continue
operating. This may result in invalid
status flags from the analog block.
Therefore,
Microsemi
does
not
recommend asserting the PWRDWN
pin.
ADC
ADCRESET
1
Input
ADC resets and disables Analog Quad
– active high
ADC
BUSY
1
Output
1 – Running conversion
ADC
CALIBRATE
1
Output
1 – Power-up calibration
ADC
DATAVALID
1
Output
1 – Valid conversion result
ADC
RESULT[11:0]
12
Output
Conversion result
ADC
TMSTBINT
1
Input
Internal temp. monitor strobe
ADC
SAMPLE
1
Output
1 – An analog signal is actively being
sampled (stays high during signal
acquisition only)
0 – No analog signal is being sampled
ADC
VAREFSEL
1
Input
0 = Output internal voltage reference
(2.56 V) to VAREF
1 = Input external voltage reference
from VAREF and ADCGNDREF
ADC
CHNUMBER[4:0]
5
Input
Analog input channel select
Input
multiplexer
ACMCLK
1
Input
ACM clock
ACM
ACMWEN
1
Input
ACM write enable – active high
ACM
ACMRESET
1
Input
ACM reset – active low
ACM
ACMWDATA[7:0]
8
Input
ACM write data
ACM
ACMRDATA[7:0]
8
Output
ACM read data
ACM
ACMADDR[7:0]
8
Input
ACM address
ACM
CMSTB0 to CMSTB9
10
Input
Current monitor strobe – 1 per quad,
active high
Analog Quad


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