SI4702-C19 データシートの表示（PDF） - Silicon Laboratories

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SI4702-C19

BROADCAST FM RADIO TUNER FOR PORTABLE APPLICATIONS

Silicon Laboratories 

Si4702/03-C19

Table 6. 3-Wire Control Interface Characteristics

(VD = VA = 2.7 to 5.5 V, VIO = 1.5 to 3.6 V, TA = –20 to 85 °C)

Parameter

Symbol

Test Condition

Min

Typ

Max Unit

SCLK Frequency

fCLK

0

—

2.5

MHz

SCLK High Time

tHIGH

25

—

—

ns

SCLK Low Time

tLOW

25

—

—

ns

SDIO Input, SEN to SCLKSetup

tS

20

—

—

ns

SDIO Input to SCLKHold

SEN Input to SCLKHold

tHSDIO

tHSEN1

10

—

—

ns

10

—

—

ns

SEN Input to SCLKHold

tHSEN2

10

—

—

ns

SCLKto SDIO Output Valid

tCDV

Read

2

—

25

ns

SCLKto SDIO Output High Z

tCDZ

Read

2

—

25

ns

Note: When selecting 3-wire Mode, the user must ensure that a rising edge of SCLK does not occur within 300 ns before the

rising edge of RST.

SCLK 70%

30%

tS

SEN 70%

30%

tHSDIO

tS

tHIGH

tLOW

tHSEN1

tHSEN2

SDIO 70%

30%

A6-A5,

A7

R/W,

A0

A4-A1

D15

D14-D1

D0

Address In

Data In

Figure 3. 3-Wire Control Interface Write Timing Parameters

8

Rev. 1.1

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