I2C Interface " />
參數(shù)資料
型號： PCM1792DB
廠商： Texas Instruments
文件頁數(shù)： 15/61頁
文件大小： 0K
描述： IC 24BIT AUDIO STEREO DAC 28SSOP
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準(zhǔn)包裝： 47
位數(shù)： 24
數(shù)據(jù)接口： I²C，串行，SPI?
轉(zhuǎn)換器數(shù)目： 2
電壓電源： 模擬和數(shù)字
工作溫度： -25°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 管件
輸出數(shù)目和類型： 2 電壓，單極
采樣率（每秒）： 200k
產(chǎn)品目錄頁面： 903 (CN2011-ZH PDF)
其它名稱： 296-15313-5
PCM1792
SLES069B MARCH 2003 REVISED NOVEMBER 2006
www.ti.com
22
I2C Interface
The PCM1792 supports the I2C serial bus and the data transmission protocol for standard and fast mode as a slave
device. This protocol is explained in I2C specification 2.0.
In I2C mode, the control terminals are changed as follows.
TERMINAL NAME
TDMCA NAME
PROPERTY
DESCRIPTION
MS
ADR0
Input
I2C address 0
MDI
ADR1
Input
I2C address 1
MC
SCL
Input
I2C clock
MDO
SDA
Input/output
I2C data
Slave Address
MSB
LSB
1
0
1
ADR1
ADR0
R/W
The PCM1792 has 7 bits for its own slave address. The first five bits (MSBs) of the slave address are factory preset
to 10011. The next two bits of the address byte are the device select bits which can be user-defined by the ADR1
and ADR0 terminals. A maximum of four PCM1792s can be connected on the same bus at one time. Each PCM1792
responds when it receives its own slave address.
Packet Protocol
A master device must control packet protocol, which consists of start condition, slave address, read/write bit, data
if write or acknowledge if read, and stop condition. The PCM1792 supports only slave receivers and slave
transmitters.
9
SDA
SCL
St
Start
17
8
18
9
18
9
Sp
Stop
Slave Address
ACK
DATA
ACK
DATA
ACK
Condition
R/W
Read Operation
Transmitter
M
S
M
S
M
Data Type
St
Slave Address
R
ACK
DATA
ACK
DATA
ACK
NACK
Sp
Write Operation
Transmitter
M
S
M
S
M
S
M
Data Type
St
Slave Address
W
ACK
DATA
ACK
DATA
ACK
Sp
R/W:
Read Operation if 1; Otherwise, Write Operation
DATA: 8 Bits (Byte)
ACK: Acknowledgement of a Byte if 0
NACK:Not Acknowledgement if 1
M: Master Device
S: Slave Device
St: Start Condition
Sp: Stop Condition
W: Write
R: Read
Figure 32. Basic I2C Framework
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM1792DB 制造商:Texas Instruments 功能描述:24BIT AUDIO DAC SMD 1792 SSOP28
PCM1792DBG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1792DBR 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1792DBRG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1793 制造商:TI 制造商全稱:Texas Instruments 功能描述:24 BIT 192KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
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