參數(shù)資料
型號(hào)： LC89057W-VF4
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： 7 X 7 MM, SQFP-48
文件頁(yè)數(shù)： 2/61頁(yè)
文件大小： 570K
代理商： LC89057W-VF4
LC89057W-VF4
No.7202-10/61
8.2 Chip Address Settings (EMPHA/UO,
______
AUDIO/VO)
The LC89057W-VF4 comes with a function to set a unique chip address to allow the use of several LC89057W-VF4
on the same microcontroller bus.
In chip address setting, a 10k pull-down or pull-up resistor is connected with EMPHA/UO and
______
AUDIO/VO. By this
setting, 4 kinds of chip addresses can be set at a maximum.
Chip addresses in the microcontroller interface are set with CAL and CAU provided as the first two bits on the LSB
side. CAL corresponds to the lower chip address and CAU to the higher chip address.
Command writing becomes possible by making the chip address settings with EMPHA/UO and
______
AUDIO/VO identical
to the chip addresses sent from the microcontroller.
The chip address setting is required even when only one LC89057W-VF4 is used in the system. If the chip address is
not set, the chip address is undefined and the microcontroller cannot control the system. When the microcontroller is
not used, a chip address setting pin is open while XMODE is "L". Be sure to connect either a pull-down resistor or a
pull-up resistor to EMPHA/UO and
______
AUDIO/VO.
Table 8.2 Chip Address Settings
_____
AUDIO/VO
EMPHA/UO
CAU
CAL
Pull-down
0
Pull-down
Pull-up
0
1
Pull-up
Pull-down
1
0
Pull-up
1
Figure 8.2 Setting Example of Function Setting Input Pin
LC89057W-VF4
EMPHA/UO
AUDIO/VO
CKST
INT
Connect to different circuit
pull-down 10k
pull-up 10k
Chip address setting
Demodulation function master or slave setting
Modulation function or general-purpose I/O port switch
CAL = CAU = 0
Master
General-purpose I/O port function
Setting contents of above figure
→
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LC89057W-VF4AD-E 制造商:ON Semiconductor 功能描述:
LC89057W-VF4A-E 功能描述:音頻發(fā)送器、接收器、收發(fā)器 RoHS:否 制造商:Cirrus Logic 工作電源電壓:3.3 V, 5 V 電源電流:11.8 mA 通道數(shù)量:1 最大工作溫度:+ 70 C 接口類型:I2C, SPI 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-28 封裝:
LC89057W-VF4A-TBM-E 制造商:ON Semiconductor 功能描述: 制造商:ON Semiconductor 功能描述:AUDIO I/F RECEIVER
LC89058W 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:CMOS IC Digital Audio Interface Receiver
LC89058WA-E 功能描述:音頻發(fā)送器、接收器、收發(fā)器 RoHS:否 制造商:Cirrus Logic 工作電源電壓:3.3 V, 5 V 電源電流:11.8 mA 通道數(shù)量:1 最大工作溫度:+ 70 C 接口類型:I2C, SPI 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-28 封裝:
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