Analog-devices ADuC812 Manuel d'utilisateur télécharger pdf (Page 54)

REV. B

ADuC812

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Parameter Min Typ Max Unit Figure

SPI SLAVE MODE TIMING (CPHA = 1)

t

SS

SS to SCLOCK Edge 0 ns 59

t

SL

SCLOCK Low Pulsewidth 330 ns 59

t

SH

SCLOCK High Pulsewidth 330 ns 59

t

DAV

Data Output Valid after SCLOCK Edge 50 ns 59

t

DSU

Data Input Setup Time before SCLOCK Edge 100 ns 59

t

DHD

Data Input Hold Time after SCLOCK Edge 100 ns 59

t

DF

Data Output Fall Time 10 25 ns 59

t

DR

Data Output Rise Time 10 25 ns 59

t

SR

SCLOCK Rise Time 10 25 ns 59

t

SF

SCLOCK Fall Time 10 25 ns 59

t

SFS

SS High after SCLOCK Edge 0 ns 59

MISO

MOSI

SCLOCK

(CPOL=1)

SCLOCK

(CPOL=0)

t

SH

t

SR

t

SF

t

DAV

t

DF

t

DR

MSB

LSB

t

SFS

t

SS

SS

BIT 6 – 1

BIT 6 – 1

t

SL

LSB IN

MSB IN

t

DSU

t

DHD

Figure 58. SPI Slave Mode Timing (CPHA = 1)

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