STMicroelectronics FlexSPIN: SPI configurable stepper and DC multi motor driver evaluation board EVAL6460 EVAL6460 Data Sheet
Product codes
EVAL6460
Digital comparator
L6460
94/139
Doc ID 17713 Rev 1
Figure 29.
Digital comparator block diagram
In
is reported the comparison type truth table.
In
is reported the Data0/Data1 selection truth table.
Table 37.
Comparison type truth table
EnDigCmp
SelCmpType[1]
SelCmpType[0]
Comparison type
0
X
X
Disabled
1
0
0
Data0[9:0]
≤1³1÷Data1[9:0]
1
0
1
Data0[9:0] = Data1[9:0]
1
1
0
Data0[9:0] > Data1[9:0]
1
1
1
Data0[9:0]
≤= Data1[9:0]
Table 38.
DataX selection truth table
DigCmpSelChX[1]
DigCmpSelChX[0]
DataX[9:0]
0
X
DigCmpValue[9:0]
1
0
A2DResult1[8:0]
1
1
A2DResult1[8:0]
COMPARATOR
A2DResult0[8:0]
A2DResult1[8:0]
DigCmpUpdate[1:0]
S
el
C
m
pType[
1:
0
]
A2
DDo
n
e
0
A2
DDo
n
e
1
ADC FSM
Update
Signal
Logi
c ‘1
’
CmpOut
DigCmpSelCh1[0]
DigCmpSelCh1[1]
Data0[9:0]
Data1 [9:0]
EnDigC
mp
DigCmpSelCh0[0]
DigCmpValue[9:0]
DigCmpSelCh0[1]
Three check
s
filter