XWM8148CFT/V 查看數據表（PDF） - Wolfson Microelectronics plc

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XWM8148CFT/V

12-bit/12MSPS CCD/CIS Analogue Front End/Digitiser

Wolfson Microelectronics plc 

WM8148

SERIAL INTERFACE

tSPER

SCK

SDI

tSSU

tSH

SEN

SDO

tSCKL tSCKH

tSCE

tSEW tSEC

tSESD

tSCSD

Production Data

tSCSDZ

Figure 7 Serial Interface Timing

TEST CONDITIONS

AVDD = 4.75 to 5.25V, DVDD1 and DVDD2 = 2.97 to 5.25V, AGND = DGND = 0V, TA = 0 to 70°C, MCLK = 48MHz unless

otherwise stated (AVDD denotes the voltage applied to all AVDD pins).

PARAMETER

SCK period

SCK high

SCK low

SDI set-up time

SDI hold time

SCK to SEN set-up time

SEN to SCK set-up time

SEN pulse width

SEN low to SDO out

SCK low to SDO out

SCK low to SDO high impedance

SYMBOL

tSPER

tSCKH

tSCKL

tSSU

tSH

tSCE

tSEC

tSEW

tSESD

tSCSD

tSCSDZ

TEST CONDITIONS

MIN

83.3

20

20

10

10

20

20

50

TYP

MAX

35

35

25

UNITS

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

Note: Parameters are measured at 50% of the rising/falling edge.

WOLFSON MICROELECTRONICS LTD

PD Rev 4.0 April 1999

11

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