ADAU1451WBCPZ-RL View Datasheet(PDF) - Analog Devices

Part Name

Description

MFG CO.

ADAU1451WBCPZ-RL

SigmaDSP Digital Audio Processor

Analog Devices 

ADAU1452/ADAU1451/ADAU1450

Data Sheet

SPI Interface—Slave

TA = −40°C to +105°C, DVDD = 1.2 V ± 5%, IOVDD = 1.8 V − 10% to 3.3 V + 10%.

Table 14.

Parameter

SPI SLAVE PORT

fSCLKWRITE

fSCLKREAD

tSCLKPWL

tSCLKPWH

tSSS

tSSH

tSSPWH

tSSPWL

tMOSIS

tMOSIH

tMISOD

Min

6

21

1

2

10

10

1

2

Max

Unit Description

22

MHz SCLK write frequency

22

MHz SCLK read frequency

ns SCLK pulse width low, SCLK = 22 MHz

ns SCLK pulse width high, SCLK = 22 MHz

ns SS setup to SCLK rising edge

ns SS hold from SCLK rising edge

ns SS pulse width high

ns SS pulse width low; minimum low pulse width for SS when

entering SPI mode by toggling the SS pin three times

ns MOSI setup to SCLK rising edge

ns MOSI hold from SCLK rising edge

39

ns MISO valid output delay from SCLK falling edge

SS

SCLK

MOSI

MISO

tSSS

tSCLKPWH

tMOSIS

tMOSIH

tSCLKPWL

Figure 9. SPI Slave Port Timing Specifications

tSSH

tSSPWH

tMISOD

Rev. C | Page 14 of 180

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