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VT1620A Schematic ( PDF Datasheet ) - VIA

Teilenummer VT1620A
Beschreibung VinylUSB USB2.0 FS Audio Codec
Hersteller VIA
Logo VIA Logo 




Gesamt 27 Seiten
VT1620A Datasheet, Funktion
Data Sheet
VT1620A
VinylUSB USB2.0 FS Audio Codec
April 22, 2010
Revision 1.01






VT1620A Datasheet, Funktion
Data Sheet
VT1620A VinylUSB USB2.0 FS Audio Codec
2
2 Overview
The VT1620A VinylUSB chip is a Universal Serial Bus Audio Codec for intermediate consumer headphone
or IP phone applications. It conforms to the USB 2.0 Specification and supports Full-Speed mode.
VT1620A supports USB Audio Class 1.0, and hence can enable driverless product. Featuring with S/PDIF
TX interface, VT1620A’s stereo I/O supports most popular digital audio sampling resolutions. VT1620A
requires only one 6-MHz crystal to generate all necessary clock frequencies for internal clock operation.
VT1620A also integrates 5-V to 3.3-V and 5-V to 2-V regulator; together with 16-k built-in ROM, it
provides customer with extremely cost-competitive BOM solution.
Figure 1 shows the functional block diagram for VT1620A VinylUSB Audio Codec.
1
Figure 1 – VT1620A Functional Block Diagram

6 Page









VT1620A pdf, datenblatt
Data Sheet
VT1620A VinylUSB USB2.0 FS Audio Codec
8
6.4 Configuration Registers and Data Memory
Please refer to the following Table 4 for the memory map of Configuration Registers and Data Memory.
1
Table 4 – Memory Map of Configuration Registers and Data Memory
Byte Address Range
0x0000 – 0x00FF
0x0100 – 0x01FF
0x0200 – 0x02FF
0x0300 – 0x03FF
0x0400 – 0x04FF
0x0500 – 0x05FF
0x0600 – 0x06FF
0x0700 – 0x07FF
0x0800 – 0x09FF
0x0A00 – 0x0AFF
0x0B00 – 0x0DFF
0x0E00 – 0x0EFF
0x0F00 – 0x0FFF
0x1000 – 0x10FF
0x1100 – 0x3FFF
0x4000 – 0x47FF
0x4800 – 0x4FFF
0x5000 – 0xFFFF
On-chip
System Configuration
Interrupt Controller
USB Controller
Serial Flash Controller
Endpoint Data Buffer
Controller
I2S Audio Controller
I2C Controller
SPDIF Register Set
RESERVED
CODEC Register Set
RESERVED
GPIO Controller
RESERVED
UGM
RESERVED
EP1 Buffer
EP2 Buffer
RESERVED
Off-chip
--
--
--
--
--
--
--
--
RESERVED
--
RESERVED
--
RESERVED
--
RESERVED
--
--
RESERVED
Size in bytes
256
256
256
256
256
256
256
256
512
256
768
256
256
256
8K
2k
2k
44K
Data Access
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W
8 bits R/W

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