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Spi master communications timing, Spi slave communications timing – Rainbow Electronics MAXQ1004 User Manual

Page 7

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MAXQ1004

1-Wire and SPI Authentication Microcontroller

7

SPI Master Communications Timing

SPI Slave Communications Timing

SSEL

(SAS = 0)

SCLK

CKPOL/CKPHA

SCLK

CKPOL/CKPHA

1/0

0/1

1/1

0/0

1/0

0/1

1/1

0/0

MOSI

MISO

LSB

LSB

SHIFT

SAMPLE

SHIFT

SAMPLE

t

MCK

t

MCH

t

MOH

t

MIS

t

MOV

t

RF

t

MLH

t

MIH

t

MCL

MSB

MSB-1

MSB

MSB-1

SHIFT

SAMPLE

SHIFT

SAMPLE

SSEL

(SAS = 1)

MOSI

MISO

t

SSE

t

SCK

t

SCH

t

SCL

t

SIS

t

SOV

t

SLH

t

SSH

t

SD

t

RF

t

SIH

MSB

MSB-1

MSB

MSB-1

LSB

LSB

SCLK

CKPOL/CKPHA

SCLK

CKPOL/CKPHA

1/0

0/1

1/1

0/0

1/0

0/1

1/1

0/0