TMC2246AG1C2 CADEKA [Cadeka Microcircuits LLC.], TMC2246AG1C2 Datasheet - Page 11

• Manufacturer Part Number: TMC2246AG1C2
• Description: Image Filter 11 x 10 bit, 60 MHz
• Manufacturer: CADEKA [Cadeka Microcircuits LLC.]

TMC2246A
Table 2. Typical TMC2246A Operation Sequence
Notice in this example, operating in fractional two’s complement mode, that rounding is imposed on the first cycle only of an
accumulation. This avoids the propagation of accumulated roundoff errors.
REV. 1.0.3 9/11/00
CLK
0
1
2
3
4
5
6
7
8
D1(1) C1(1)
D1(2)
D1(3) C1(3)
D1(4) C1(4)
D1
-
C1
X
-
ENB1
0
1
0
0
-
D2(1) C2(1)
D2(2) C2(2)
D2(3) C2(3)
D2(4) C2(4)
D2
-
C2
-
ENB2
0
1
0
0
-
D3(1) C3(1)
D3(2)
D3(3)
D3(4) C3(4)
D3
-
C3
X
X
-
ENB3
0
1
1
0
-
D4(1) C4(1)
D4(2)
D4(3)
D4(4) C4(4)
D4
-
C4
X
X
-
ENB4 ACC
0
1
1
0
-
0
1
1
0
-
S(6)=S(5)+D1(2)C1(1)+D2(2)C2(1)
S(7)=S(6)+D1(3)C1(3)+D2(3)C2(3)
+D3(4)C3(4)+D4(4)C4(4)+2 -10
+D3(1)C3(1)+D4(1)C4(1)+ 2
S(5)=D1(1)C1(1)+D2(1)C2(1)
S(8)=D1(4)C1(4)+D2(4)C2(4)
+D3(2)C3(1)+D4(2)C4(1)
+D3(3)C3(1)+D4(3)C4(1)
PRODUCT SPECIFICATION
Sum
-
-
-
-10
11