2246AG1C View Datasheet(PDF) - Cadeka Microcircuits LLC.
Part Name
Description
MFG CO.
'2246AG1C' PDF : 18 Pages View PDF
TMC2246A
PRODUCT SPECIFICATION
Table 2. Typical TMC2246A Operation Sequence
CLK D1 C1 ENB1 D2 C2 ENB2 D3 C3 ENB3 D4 C4 ENB4 ACC
0-- 0 -- 0 --0 - - 0 -
1 D1(1) C1(1) 1 D2(1) C2(1) 1 D3(1) C3(1) 1 D4(1) C4(1) 1 0
2 D1(2) X 0 D2(2) C2(2) 0 D3(2) X 1 D4(2) X 1 1
3 D1(3) C1(3) 0 D2(3) C2(3) 0 D3(3) X 0 D4(3) X 0 1
4 D1(4) C1(4) - D2(4) C2(4) - D3(4) C3(4) - D4(4) C4(4) - 0
5
6
7
8
Sum
-
-
-
S(5)=D1(1)C1(1)+D2(1)C2(1)
+D3(1)C3(1)+D4(1)C4(1)+ 2-10
S(6)=S(5)+D1(2)C1(1)+D2(2)C2(1)
+D3(2)C3(1)+D4(2)C4(1)
S(7)=S(6)+D1(3)C1(3)+D2(3)C2(3)
+D3(3)C3(1)+D4(3)C4(1)
S(8)=D1(4)C1(4)+D2(4)C2(4)
+D3(4)C3(4)+D4(4)C4(4)+2-10
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
11
Share Link: 
