W681308
XXXX PRODUCT DESCRIPTION
15.1
16.
OVERVIEW ............................................................................................................................................................... 49
ICE FUNCTION BY JTAG STD. IEEE 1149.1............................................................................................................ 49
OVERVIEW ............................................................................................................................................................... 49
SCAN CHAINS AND JTAG INTERFACE.......................................................................................................................... 49
PIN DESCRIPTION ..................................................................................................................................................... 49
RESET BEHAVIOR ..................................................................................................................................................... 50
RING TONE (PWM) GENERATOR............................................................................................................................ 50
OVERVIEW ............................................................................................................................................................... 50
FULL/HALF DUPLEX ACOUSTIC ECHO CANCELLATION(AEC) ............................................................................ 51
FUNCTION CONTROL REGISTERS................................................................................................................................ 51
USB DEVICE CONTROLLER AND TRANSCEIVER ................................................................................................. 52
OVERVIEW ............................................................................................................................................................... 52
FUNCTIONAL DESCRIPTION ........................................................................................................................................ 52
16.1
16.2
16.3
16.4
17.
17.1
18.
18.1
19.
19.1
19.2
19.2.1
19.2.2
Endpoints ...................................................................................................................................................... 53
Descriptor RAM............................................................................................................................................. 54
20.
ELECTRICAL CHARACTERISTICS .......................................................................................................................... 55
ABSOLUTE MAXIMUM RATINGS................................................................................................................................... 55
RECOMMENDED OPERATING CONDITIONS ................................................................................................................... 55
DC CHARACTERISTICS .............................................................................................................................................. 56
ANALOG TRANSMISSION CHARACTERISTICS................................................................................................................. 56
ANALOG DISTORTION AND NOISE PARAMETERS ........................................................................................................... 57
20.1
20.2
20.3
20.4
20.5
20.5.1
20.5.2
20.5.3
8kHz sampling............................................................................................................................................... 57
16kHz sampling............................................................................................................................................. 57
48kHz sampling............................................................................................................................................. 58
20.6
20.7
20.8
PROGRAMMABLE OUTPUT LINEAR REGULATOR............................................................................................................ 58
USB PHY ELECTRONIC CHARACTERISTICS ( 25°C, DVDD= 3.3V, VDDL =1.8V) ......................................................... 59
USB PLL ELECTRONIC CHARACTERISTICS.................................................................................................................. 60
TYPICAL APPLICATION REFERENCE CIRCUIT ..................................................................................................... 61
USB VOIP SPEAKER PHONE APPLICATION ................................................................................................................... 61
PACKAGE DIMENSIONS .......................................................................................................................................... 62
ORDERING INFORMATION...................................................................................................................................... 63
REVISION HISTORY ................................................................................................................................................. 64
21.
21.1
22.
23.
24.
4
Rev1.2
NUVOTEM TALEMA [ NUVOTEM TALEMA ]
