LS7566R 데이터 시트보기 (PDF) - LSI Corporation

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LS7566R

24-BIT x 4-AXES QUADRATURE COUNTER

LSI Corporation  

UP

DOWN

A

t Q1

B

X4_CLK

(see note)

X2_CLK

(see note)

t Q2

X1_CLK

(see note)

NOTE. x1, x2 and x4 CLKs are internal Up/Down clocks derived from filtered and decoded quadrature clocks.

FIGURE 5. A/B QUADRATURE CLOCKS vs INTERNAL COUNT CLOCKS

UP

A

B

X4_CLK

DOWN

CNTR FFFFFC FFFFFD

FLGa

FLGb

(up/dn)

FFFFFE

FFFFFF 000000 000001 000002

t fda

CY

(SHOWN WITH PR=000OO1)

CMP

t fw

FLGb

positive

(sign)

t nt

INT/

000001 000000 FFFFFF FFFFFE FFFFFD

BW

t fdb

negative

NOTE. FLGa is in non-latched mode.

FIGURE 6. QUADRATURE CLOCKS vs FLGa, FLGb and INT/ OUTPUTS

7566R-121605-10

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