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Functional timing diagrams, Processor interface, Parallel port mode – Rainbow Electronics DS26504 User Manual

Page 110: Spi serial port mode, Rocessor, Nterface, Tion, Afte, After a

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DS26504 T1/E1/J1/64KCC BITS Element

110 of 128

18. FUNCTIONAL TIMING DIAGRAMS

18.1 Processor Interface

18.1.1 Parallel Port Mode
See the AC Timing section.

18.1.2 SPI Serial Port Mode

Figure 18-1. SPI Serial Port Access, Read Mode, CPOL = 0, CPHA = 0










Figure 18-2. SPI Serial Port Access, Read Mode, CPOL = 1, CPHA = 0










Figure 18-3. SPI Serial Port Access, Read Mode, CPOL = 0, CPHA = 1

1

A7

0

0

0

0

0

0

D7

D6

D5

D4

D3

D2

D1

D0

LSB

MSB

LSB

MSB

SCK

CS

MOSI

MISO

B

A6

A5

A4

A3

A2

A1

LSB

MSB

A0

SCK

CS

1

A7

0

0

0

0

0

0

D7

D6

D5

D4

D3

D2

D1

D0

LSB

MSB

LSB

MSB

MOSI

MISO

B

A6

A5

A4

A3

A2

A1

LSB

MSB

A0

SCK

CS

1

A7

0

0

0

0

0

0

D7

D6

D5

D4

D3

D2

D1

D0

LSB

MSB

LSB

MSB

MOSI

MISO

B

A6

A5

A4

A3

A2

A1

LSB

MSB

A0