SI4770 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

MFG CO.

SI4770

HIGH-PERFORMANCE CONSUMER ELECTRONICS BROADCAST RADIO RECEIVER AND HD RADIO TUNER

Silicon Laboratories 

Si4770/77-A20

tSU:STA tHD:STA

tLOW

tHIGH

SCL 70%

30%

tr:IN

tf:IN

tSP

tSU:STO

tBUF

SDA 70%

30%

START

tr:IN

tHD:DAT tSU:DAT

tPD:DAT

tf:IN,

tf:OUT

STOP

Figure 3. I2C Control Interface Read and Write Timing Parameters

START

SCL

SDA

(Write)

A6-A0, 0

Command

7-0

Arg1

7-0

START ADDRESS + R/W

ACK

DATA

ACK

DATA

ACK

SDA

(Read)

A6-A0, 1

Status

7-0

Response

7-0

START ADDRESS + R/W

ACK

DATA

ACK

DATA

ACK

Figure 4. I2C Control Interface Read and Write Timing Diagram

STOP

STOP

Rev. 0.9

11

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