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參數資料
| 型號： | UDA1380 |
| 英文描述： | Stereo audio coder-decoder for MD, CD and MP3 |
| 中文描述： | 立體聲音頻編碼器，可用于MD，CD和MP3解碼器 |
| 文件頁數： | 28/68頁 |
| 文件大小： | 278K |
| 代理商： | UDA1380 |
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2
2
P
P
S
f
U
10.3
READ cycle
Table 14 shows the I
2
C-bus configuration for a READ cycle. The READ cycle is used to read the data values from the internal registers.
The format of the READ cycle is as follows:
1.
The microcontroller starts with a start condition (S).
2.
The first byte (8 bits) contains the device address ‘00110A10’ and a logic 0 (WRITE) for the bit R/W.
3.
This is followed by an acknowledge (A) by the UDA1380.
4.
After this the microcontroller writes the register address (ADDR) where the reading of the register content of the UDA1380 must start.
5.
The UDA1380 acknowledges this register address.
6.
Then the microcontroller generates a repeated start (Sr).
7.
Then the microcontroller generates the device address ‘00110A10’ again, but this time followed by a logic 1 (READ) of the bit R/W.
8.
The UDA1380 sends the two-bytes register contents with the Most Significant (MS) byte first, and then the Least Significant (LS) byte, each time
acknowledged by the microcontroller.
9.
The microcontroller stops this cycle by generating a negative acknowledge (NA).
10. Finally, the UDA1380 frees the I
2
C-bus and the microcontroller can generate a stop condition (P).
Table 14
Master transmitter reads from the UDA1380 registers in the I
2
C-bus mode
INITIAL BYTE
ACKNOWLEDGE FROM UDA1380
ACKNOWLEDGE FROM MICROCONTROLLER
DEVICE
ADDRESS
R/W
REGISTER
ADDRESS
R/W
MSdata
byte
LS data
byte
S
00110A10
0
A
ADDR
A
Sr
00110A10
1
A
MS1
A
LS1
A
...
A
...
A
MSn
A
LSn
NA
P
auto increment if repeated n groups of 2 bytes are transmitted
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相關代理商/技術參數 |
參數描述 |
|---|---|
| UDA1380HN | 制造商:ICS 制造商全稱:ICS 功能描述:Stereo audio coder-decoder for MD, CD and MP3 |
| UDA1380HN/N2 | 制造商:NXP Semiconductors 功能描述:IC CODEC AUDIO MINIDISC 32HVQFN 制造商:NXP Semiconductors 功能描述:IC, CODEC, AUDIO, MINIDISC, 32HVQFN |
| UDA1380HN/N2,118 | 功能描述:接口—CODEC STEREO AUDIO RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| UDA1380HN-T | 功能描述:接口—CODEC STEREO AUDIO CODER-DECODER RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| UDA1380TT | 功能描述:接口—CODEC SSA CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
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