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参数资料
| 型号： | LC89058W-E |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封装： | 7 X 7 MM, SQFP-48 |
| 文件页数： | 9/46页 |
| 文件大小： | 284K |
| 代理商： | LC89058W-E |
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LC89058W-E
No.A1056-17/64
9.2 Chip Address Settings (MOUT,
___________
AUDIO)
The LC89058W-E comes with a function to set a unique chip address to allow the use of several LC89058W-E on the
same microcontroller interface bus.
In chip address setting, connect a 10kΩ pull-down or pull-up resistor to MOUT and
____________
AUDIO. 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 is enabled by making the chip address settings with MOUT and
____________
AUDIO identical to the chip
addresses sent from the microcontroller.
The chip address setting is required even when only one LC89058W-E 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 input open while XMODE is "L". Be sure to connect either a pull-down resistor or a
pull-up resistor to MOUT and
____________
AUDIO.
Table 9.3: Chip Address Settings (Resistor Connection)
_____
AUDIO
MOUT
CAU
CAL
Pull-down
0
Pull-down
Pull-up
0
1
Pull-up
Pull-down
1
0
Pull-up
1
Figure 9.2 Setting Example of Function Setting Input Pin
Chip address setting
Master or slave setting
Pins 44 to 47 input or output setting
CAL=CAU=0
Master
Pins 44 to 47 output pins
Setting Contents of Above Figure
LC89058W-E
MOUT
AUDIO
CKST
INT
Connect to
different circuits
pull-down 10k
Ω
pull-up 10k
Ω
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