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PDF LC89057W-VF4A-E Data sheet ( Hoja de datos )
| Número de pieza | LC89057W-VF4A-E | |
| Descripción | Digital Audio Interface Transceiver | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : EN7202A
LC89057W-VF4A-E
CMOS IC
Digital Audio Interface Transceiver
1. Overview
The LC89057W-VF4A-E is an audio IC that demodulates and modulates signals according to data transfer format
between digital audio devices via the IEC60958/61937 and EIAJ CP-1201 and supports up to 192kHz of sampling
frequency. It features a built-in VCO and oscillation amplifier, two bit clock circuits that are capable of setting
independently the frequency-dividing ratios that can also be used for the DSP data input/output clocks, and LR clock
output pins. A multi-channel PCM interface using multiple LC89057W-VF4A-E ICs is also available through a
master/slave function.
This IC is optimal for use in high performance AV amplifiers and a multi-channel PCM interface for DVD audio
equipment.
2. Features
2.1 Realizes full demodulation for high performance AV equipment
• Possible to receive the sampling frequency of 32kHz to 192kHz and 24 bits data at a maximum.
• Supports I2S data output that facilitates interfacing with DSP.
• Output clock: 512fs, 256fs, 128fs, 64fs, 32fs, 2fs, fs, and fs/2
• Possible to output oscillation amplifier and external input clocks regardless of the PLL status.
• Maintains output clock continuity during clock switching.
• Supports Multi-channel transfer and reception, using master/slave function.
• Possible to process demodulation functions using common low-jitter clock without using PLL
(external clock synchronization function)
• Built-in PLL error lock prevention circuit to provide accurate lock
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
N0707HKIM VL-2194 No.7202-1/59
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
6. Block Diagram
LC89057W-VF4A-E
EMPHA/UO/CO
32
AUDIO/VO INT CL CE CI XMODE
33
35 48 39 38
41
RXOUT 1
RX0 2
RX1 3
RX2 4
RX3 5
RX4 8
RX5/VI 9
RX6/UI 10
LPF 13
TMCK/PIO0 44
TBCK/PIO1 45
TLRCK/PIO2 46
TDATA/PIO3 47
TXO/PIOEN 48
Cbit, Ubit
Microcontroller
I/F
Input
Selector
Demodulation
&
Lock detect
Data
Selector
Modulation
or
Parallel Port
PLL
Clock
Selector
1/N
29 28
27 34
XIN XOUT XMCK CKST/PB
37 DO
36 RERR
21 RDATA
24 SDIN
16 RMCK
17 RBCK
20 RLRCK
22 SBCK
23 SLRCK
7. Comparison between LC89057W-VF4 and LC89057W-VF4A
Table 7.1 Difference between LC89057W-VF4 and LC89057W-VF4A
Item
DIR function: External synchronization mode
DIR function: Setting of RERR wait time after PLL
is locked
DIR function: Setting of clock wait time after PLL is
unlocked
DIR function: Channel status bit output
DIR function: Preamble B info output
DIT function: System clock
DIT function: Preamble B info output
LC89057W-VF4
256fs clock input
After preamble B is counted 6.
After preamble B is counted 12.
After preamble B is counted 24.
After preamble B is counted 48.
50μs from when oscillation amplifier starts
100μs from when oscillation amplifier starts
200μs from when oscillation amplifier starts
400μs from when oscillation amplifier starts
Microcontroller read out
×
256fs clock input
×
LC89057W-VF4A
256fs or 512fs clock input
After preamble B is counted 3.
After preamble B is counted 6.
After preamble B is counted 12.
After preamble B is counted 24.
0μs from when oscillation amplifier starts
50μs from when oscillation amplifier starts
100μs from when oscillation amplifier starts
200μs from when oscillation amplifier starts
Microcontroller read out or terminal output
(full decode processing possible)
{
256fs or 128fs clock input
{
No.7202-5/59
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LC89057W-VF4A-E
___________
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 10kΩ 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
Pull-down
Pull-down
0
Pull-down
Pull-up
0
Pull-up
Pull-down
1
Pull-up
Pull-up
1
CAL
0
1
0
1
LC89057W-VF4A-E
EMPHA/UO/CO
AUDIO/VO
CKST/PB
INT
pull-up 10kΩ
Connect to
different circuits
pull-down 10kΩ
Setting Contents of Above Figure
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
Figure 9.2 Setting Example of Function Setting Input Pin
No.7202-11/59
Datasheet pdf - http://www.DataSheet4U.net/
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