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)： 11/61頁(yè)
文件大小： 570K
代理商： LC89057W-VF4
LC89057W-VF4
No.7202-19/61
9.2 Bi-phase Signal Input/Output
9.2.1 Reception range of bi-phase signal input
Reception range of the input data depends on the PLL lock frequency setting done with PLLSEL. The relationship
between this setting and the guaranteed reception range is shown below.
Table 9.4 Relationship between PLL Output Clock Setting and Reception Range (FSLIM[1:0] = 00)
PLL Output Clock Setting
Input Data Reception Range
512fs (PLLSEL = 0)
28kHz to 105kHz
256fs (PLLSEL = 1)
28kHz to 195kHz
The fs reception range for input data can be limited within the set range of PLL output clock stated above. This setting
is carried out with FSLIM[1:0]. When this function is adopted, input data exceeding the set range is considered as an
error, the clock source is automatically switched to the XIN source, and RDATA output data is subject to the
RDTSEL setting.
9.2.2 Bi-phase signal input/output pins (RX0 to RX6, RXOUT)
There are 7 kinds of digital data input pins. Moreover, data modulated with the modulation function is also available
and thus there are 8 options in total. However, the pins to be selected is restricted, depending on the setting conditions.
(1) The six pins of RX0 and RX2 to RX6 are TTL level input pins with 5V-withstand voltage.
(2) RX1 is an input pin with built-in amplifier which is coaxial-compatible and it can receive up to min, 200mVp-p
data.
The demodulation input and RXOUT output signals can each be selected independently.
(1) The demodulation data is selected with RISEL[2:0].
(2) The RXOUT output data is selected with ROSEL[2:0].
RXOUT can be muted with RXOFF. Muting is recommended to reduce clock jitter when RXOUT is not used.
The data input status can be monitored with the RXMON setting. The status of each data input pin is stored in CCB
address 0xEA and output registers DO0 to DO7. Since this function uses the XIN clock, the oscillation amplifier must
be set to the continuous operation mode when RXMON is set.
Demodulation input pin can be switched via PLL unlock with the ULSEL setting. Thus data switching can be
accurately conveyed to peripheral devices.
The interval from pin switching through RISEL[2:0] until the data is received is about 250
s to 350s. In this
function, the oscillation amplifier also need to be set to the continuous operation mode.
Figure 9.5 Input Pin Selecting Process via PLL Unlock
Input pin selection
Internal supply signal
RX0
RX2
RX3
RX1
RX0
RX2
RX3
RX1
250
s to 350s
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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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