Rainbow-electronics MAX6661 Uživatelský manuál stáhnout pdf (Strana 10)

MAX6661

Remote Temperature-Controlled Fan-Speed

Regulator with SPI-Compatible Interface

10 ______________________________________________________________________________________

COMMAND BYTE

D7–D0 DATA BYTE

DIN

D15 IS START BIT

ALWAYS HIGH

D15

D8 IS READ/WRITE BIT

HIGH FOR READ

DOUT

THREE-STATE

D7 D6

THREE-STATE

Figure 3. Read Cycle

DIN

D15 IS START BIT

ALWAYS HIGH

DOUT

THREE-STATE

D15

D8 IS READ/WRITE BIT

LOW FOR WRITE

D15–D8 COMMAND BYTE

D8 D7

D7–D0 DATA BYTE

THREE-STATE

Figure 4. Write Cycle

CSW

SDIN

DOUT

CSS

SCS

Figure 5. Serial Interface Timing

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 18 19

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Rainbow-electronics MAX6661 Uživatelský manuál Strana 10