W681308DG Datasheet, PDF (4/64 Pages) Nuvotem Talema – W681308 USB Audio Controller from Nuvoton integrates fast 8051 Microcontroller Unit (MCU)

W681308
XXXX PRODUCT DESCRIPTION
15.1 OVERVIEW ............................................................................................................................................................... 49
16. ICE FUNCTION BY JTAG STD. IEEE 1149.1............................................................................................................ 49
16.1 OVERVIEW ............................................................................................................................................................... 49
16.2 SCAN CHAINS AND JTAG INTERFACE.......................................................................................................................... 49
16.3 PIN DESCRIPTION ..................................................................................................................................................... 49
16.4 RESET BEHAVIOR ..................................................................................................................................................... 50
17. RING TONE (PWM) GENERATOR............................................................................................................................ 50
17.1 OVERVIEW ............................................................................................................................................................... 50
18. FULL/HALF DUPLEX ACOUSTIC ECHO CANCELLATION(AEC) ............................................................................ 51
18.1 FUNCTION CONTROL REGISTERS................................................................................................................................ 51
19. USB DEVICE CONTROLLER AND TRANSCEIVER ................................................................................................. 52
19.1 OVERVIEW ............................................................................................................................................................... 52
19.2 FUNCTIONAL DESCRIPTION ........................................................................................................................................ 52
19.2.1 Endpoints ...................................................................................................................................................... 53
19.2.2 Descriptor RAM ............................................................................................................................................. 54
20. ELECTRICAL CHARACTERISTICS .......................................................................................................................... 55
20.1 ABSOLUTE MAXIMUM RATINGS ................................................................................................................................... 55
20.2 RECOMMENDED OPERATING CONDITIONS ................................................................................................................... 55
20.3 DC CHARACTERISTICS .............................................................................................................................................. 56
20.4 ANALOG TRANSMISSION CHARACTERISTICS................................................................................................................. 56
20.5 ANALOG DISTORTION AND NOISE PARAMETERS ........................................................................................................... 57
20.5.1 8kHz sampling............................................................................................................................................... 57
20.5.2 16kHz sampling............................................................................................................................................. 57
20.5.3 48kHz sampling............................................................................................................................................. 58
20.6 PROGRAMMABLE OUTPUT LINEAR REGULATOR ............................................................................................................ 58
20.7 USB PHY ELECTRONIC CHARACTERISTICS ( 25°C, DVDD= 3.3V, VDDL =1.8V) ......................................................... 59
20.8 USB PLL ELECTRONIC CHARACTERISTICS.................................................................................................................. 60
21. TYPICAL APPLICATION REFERENCE CIRCUIT ..................................................................................................... 61
21.1 USB VOIP SPEAKER PHONE APPLICATION ................................................................................................................... 61
22. PACKAGE DIMENSIONS .......................................................................................................................................... 62
23. ORDERING INFORMATION ...................................................................................................................................... 63
24. REVISION HISTORY ................................................................................................................................................. 64
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Rev1.2