參數(shù)資料
型號(hào): STV8277
廠商: 意法半導(dǎo)體
英文描述: Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
中文描述: 數(shù)字音頻解碼器/處理器為A2和麗音電視/錄像機(jī)
文件頁(yè)數(shù): 46/149頁(yè)
文件大?。?/td> 2775K
代理商: STV8277
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I2C Interface
STV82x7
46/149
11
I2C Interface
11.1
I2C Address and Protocol
The STV82x7 I2C interface works in Slave mode and is fully compliant with I2C standards in Fast
mode (maximum frequency of 400 kHz). Two pairs of I2C chip addresses are used to connect two
STV82x7 chips to the same I2C serial bus. The device address pairs are defined by the polarity of
the ADR_SEL pin and are listed in the following table:
Protocol Description
Write Protocol
Read Protocol
W = Write address,
R = Read address,
A = Acknowledge,
N = No acknowledge.
Sub-address is the register address pointer; this value auto-increments for both write and read.
Table 8: I2C Read/Write Addresses
ADR
Write Address (W)
Read Address (R)
LOW (connected to GND1)
80h
81h
HIGH (connected to VDD1)
84h
85h
Start
W
A
Sub-address
A
Data
A
....
A
Data
A
Stop
Start
W
A
Sub-address
A
Stop
Start
R
A
Data
A
....
A
Data
N
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