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W682510 Schematic ( PDF Datasheet ) - Nuvoton Technology

Teilenummer W682510
Beschreibung (W682510 / W682310) Dual-Channel Voiceband Codecs
Hersteller Nuvoton Technology
Logo Nuvoton Technology Logo 




Gesamt 33 Seiten
W682510 Datasheet, Funktion
W682510/W682310
W682510/ W682310
DUAL-CHANNEL
VOICEBAND CODECS
www.DataSheet.co.kr
Datasheet
Revision A11
Datasheet pdf - http://www.DataSheet4U.net/






W682510 Datasheet, Funktion
W682510/W682310
5. PIN CONFIGURATION
VREF
RO2
NC
RO1
PUI
PCMMS
NC
VDD
VSSD
FSR
PCMR2
PCMR1
1 24
2 23
3 22
4 W682510/ 21
5 W682310 20
6
DUAL
19
7 CHANNEL 18
8 CODEC 17
9 16
10 15
11
12
www.DataSheet.co.kr
SOP
14
13
VREF
RO2
RO1
PUI
PCMMS
VDD
VSSD
FSR
PCMR2
PCMR1
1 20
2 19
3 18
4 W682510/ 17
5 16
W682310
6
DUAL
15
7 CHANNEL 14
8 CODEC 13
9 12
10 11
SSOP
AI2
A O2 -
A O1 -
AI1
NC
μ/ A-Law
VSSA
NC
BCLK
FST
PCMT2
PCMT1
AI2
A O2 -
A O1 -
AI1
μ/A-Law
VSSA
BCLK
FST
PCMT2
PCMT1
-6-
Publication Release Date: January 2009
Revision A11
Datasheet pdf - http://www.DataSheet4U.net/

6 Page









W682510 pdf, datenblatt
W682510/W682310
of 600 Ohms or more at 5 V supply voltage for the W682510 and 1200 Ohms at 3V supply for the
W682310. During power saving mode, these outputs are at the voltage level of VREF with a high
impedance. These outputs have a feature that reduces audio “pop” noises when switching between
active and inactive states and back.
7.2.2. PCMR1
The PCM signal input for channel 1 when in the parallel mode. D/A conversion is performed on the
serial PCM signal input to this pin. The FSR signal, synchronous with the serial PCM signal, and the
BCLK signal, processes the code. Then the analog output is output from the RO1 pin. The data rate of
the PCM signal is equal to the frequency of the BCLK signal.
The PCM signal is shifted in on the falling edge of the BCLK signal. It is latched into the internal 8-bit
register. The start of the PCM data (MSB) is synchronized with the rising edge of FSR. In the serial
mode, this pin is not used and should be connected to GND (0V).
7.2.3. PCMR2
PCM signal input for channel 2 when the parallel mode is selected. D/A conversion is performed with
the serial PCM signal input to this pin, the FSR signal, synchronous with the serial PCM signal, and
the BCLK signal, and then the analog output is output from the RO2 pin. The data rate of the PCM
signal is equal to the frequency of the BCLK signal. The PCM signal is shifted at the falling edge of the
BCLK signal and latched into the internal register when shifted by eight bits. The start of the PCM data
(MSB) is identified at the rising edge of FSR. In the serial mode this pin is used for the two channel
multiplexed PCM signal input.
7.3. POWER SIGNALS
www.DataSheet.co.kr
7.3.1. VDD
The power supply for the analog and digital parts of the W682510 must be 5V +/- 10% and 2.7V to
3.8V for the W682310. This supply voltage is connected to the VDD pin. The VDD pin needs to be
decoupled to ground through a 0.1 μF ceramic capacitor. A power supply for an analog circuit in the
system to which the device is applied should be used. A bypass capacitor of 0.1 µF to 1 µF with good
high-frequency characteristics (Low ESR) and a capacitor of 10 µF to 20 µF should be connected
between this pin and the VSSA pin if needed.
7.3.2. VSSA
Ground for the analog signal circuits. This ground is separate from the digital signal ground. The VSSA
pin must be connected to the VSSD pin on the printed circuit board to make a common ground.
However, it’s advised to connect the PCB traces of these pins at the main supply hookup of the PCB
and run the VSSA and VSSD traces separately to the device.
7.3.3. VSSD
Ground for the digital signal circuits. This ground is separate from the analog signal ground. The VSSD
pin must be connected to the VSSA pin on the printed circuit board to make a common ground.
However, it’s advised to connect the PCB traces of these pins at the main supply hookup of the PCB
and run the VSSA and VSSD traces separately to the device
- 12 -
Publication Release Date: January 2009
Revision A11
Datasheet pdf - http://www.DataSheet4U.net/

12 Page





SeitenGesamt 33 Seiten
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