LC89057W-VF4A-E datasheet(11/59 Pages) SANYO

部件名	LC89057W-VF4A-E

功能描述	Digital Audio Interface Transceiver

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制造商	SANYO [Sanyo Semicon Device]

网页	https://www.sanyo-av.com/us/

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11 / 59 page

LC89057W-VF4A-E

No.7202-11/59

9.2 Chip Address Settings (EMPHA/UO/CO,

___________

AUDIO/VO)

• The LC89057W-VF4A-E comes with a function to set a unique chip address to allow the use of several LC89057W-

VF4A-E on the same microcontroller interface bus.

• In chip address setting, connect a 10k

Ω pull-down or pull-up resistor to EMPHA/UO/CO 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 is enabled by making the chip address settings with EMPHA/UO/CO and

____________

AUDIO/VO identical to

the chip addresses sent from the microcontroller.

• The chip address setting is required even when only one LC89057W-VF4A-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 EMPHA/UO/CO and

____________

AUDIO/VO.

Table 9.2 Chip Address Settings (Register Connection)

_____

AUDIO/VO

EMPHA/UO/CO

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

LC89057W-VF4A-E

EMPHA/UO/CO

AUDIO/VO

CKST/PB

INT

Connect to

different circuits

pull-down 10k

Ω

pull-up 10k

Ω

Chip address setting

Demodulation function master

or slave setting

Modulation function or

General-purpose I/O port switch

CAlL=CAU=0

Master

General-purpose I/O function

Setting Contents of Above Figure

类似零件编号 - LC89057W-VF4A-E

制造商	部件名	数据表	功能描述
ON Semiconductor	LC89057W-VF4A-E	318Kb / 59P	Digital Audio Interface Transceiver May, 2013

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