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參數資料
| 型號： | TLV320AIC22PTR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | ROHS COMPLIANT, PLASTIC, LQFP-48 |
| 文件頁數： | 27/55頁 |
| 文件大小： | 782K |
| 代理商： | TLV320AIC22PTR |
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TLV320AIC22
DUAL VOIP CODEC
SLAS281B – JULY 2000 – REVISED JUNE 2002
33
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
register programming using the serial interface (continued)
Example 2. Read Operation (R/W = 0):
Requesting a read operation from the device with address 0x00h and reading control register 15 results in the
following data being driven on DIN for time slot 0 and 1:
Time slot 0: 0 00 0000 1111 00000
Time slot 1: 0000 0000 0000 0000
0
11
1
0
00
R/W
AD1
AD0
Register Address = 15
Unused
0
1
87
6
5
4
3
2
10
11
12
13
14
15
9
BIT
Figure 13. DIN Data Stream for Programming Example 2, Slot 0
0
BIT
Control Register Data = 0
(Not Writing to a Register)
Unused
0
1
8
7
654
32
10
11
12
13
14
15
9
0
00
0
00
0
Figure 14. DIN Data Stream for Programming Example 2, Slot 1
DOUT provides the register data in slot 1. If register 15 had been programmed as in example 1 above, then
DOUT drives the following data:
Time slot 0: 0000 0000 0000 0000 (data is always 0 in time slot 0 on DOUT)
Time slot 1: 0010 0011 0000 0000
0
1
BIT
Control Register READ Data =
Contents of Register 15
Unused
0
1
87
6
5
4
3
2
10
11
12
13
14
15
9
00
0
00
0
1
Figure 15. DOUT Data Stream for Programming Example 2, Slot 1
register programming using the I2C bus
The I2C interface is provided to program the registers of the TLV320AIC22 in situations where programming
them through the serial interface is not convenient. The I2C interface is selected by setting the I2C/SPI pin to
logic high. When the I2C interface is selected, data contained in time slots 0 and 1 in the normal serial data
transmission is ignored. The I2C interface consists of the following pins:
SCL: I2C-bus serial clock. This input is used to synchronize the data transfer from and to the codec. A
maximum clock frequency of 400 kHz is allowed.
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相關代理商/技術參數 |
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| TLV320AIC23 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:STereo Audio CODEC, 8- to 96kHz, With Integrated Headphone Amplifier |
| TLV320AIC23_06 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Stereo Audio CODEC, 8-to 96-kHz, With Integrated Headphone Amplifier |
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| TLV320AIC23BGQE | 功能描述:接口—CODEC Lo-Pwr Highly Integrated 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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