M1AFS250-FGG256I Actel Corporation, M1AFS250-FGG256I Datasheet - Page 125

• Manufacturer Part Number: M1AFS250-FGG256I
• Description: Actel Fusion Family Of Mixed Signal Fpgas
• Manufacturer: Actel Corporation

Notes:
1. Refer to
2. See
3. Minimum time to issue an ADCSTART after DATAVALID is 1 SYSCLK period
Figure 2-84 • Standard Conversion Status Signal Timing Diagram
Note:
Figure 2-85 • Intra-Conversion Timing Diagram
DATAVALID
ADCSTART
SAMPLE
*t
conversion time, t
SYSCLK
EQ 20 on page 2-106
ADC_RESULT[11:0]
CONV
BUSY
EQ 12 on page 2-104
represents the conversion time of the second conversion. See
DATAVALID
ADCSTART
SAMPLE
SYSCLK
BUSY
CONV
1st Start
for calculation on the conversion time, t
.
t
t
t
SUADCSTART
CK2QSAMPLE
CK2QVAL
for the calculation on the sample time, t
1st Conversion
t
t
t
HDADCSTART
CK2QBUSY
CK2QSAMPLE
t
SAMPLE 1
2nd Start
t
CONV
R e v i s i o n 1
2
1st Conversion Cancelled,
2nd Conversion
CONV
SAMPLE
.
t
CONV
EQ 10 on page 2-98
.
t
t
DATA2START
Actel Fusion Family of Mixed Signal FPGAs
CK2QVAL
*
t
CLK2RESULT
1
st
3
Sample Result
t
CK2QVAL
t
t
t
CK2QSAMPLE
CK2QVAL
CK2QBUSY
for calculation of the
2
nd
Sample Result
2- 109