LS7366R データシートの表示（PDF） - LSI Corporation

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LS7366R

32-BIT QUADRATURE COUNTER WITH SERIAL INTERFACE

LSI Corporation  

DOWN

t6 t7

UP

t8s

DOWN

t8H

FIGURE 6. COUNT (A) AND DIRECTION (B) INPUTS IN NON-QUADRATURE MODE

A

B

X4_CLK

(see note)

X2_CLK

(see note)

X1_CLK

(see note)

UP

t Q1

DOWN

t Q2

Note: x1, x2, and x4 CLKs are internal up/down clocks derived from filtered and decoded quadrature clocks.

FIGURE 7. A/B QUADRATURE CLOCKS vs INTERNAL COUNT CLOCKS

UP

A

B

X4_CLK

DOWN

CNTR

DFLG/

FFFFFC FFFFFD

FFFFFE

FFFFFF 000000 000001 000002 000001 000000 FFFFFF

t fl (SHOWN WITH DTR = 000OO1)

CY

CMP

BW

FFFFFE

FFFFFD

tfl

t fw

LFLG/

7366-050106-9

Note: CNTR values are indicated in 3-byte mode

FIGURE 8. QUADRATURE CLOCKS vs FLAG OUTPUTS

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