Vlsi VS1000 User manual

VS1000 Button-Cell Player
ver. 1.5 / December 2009

Overview
●O Vorbis format for best quality and low bitrates
●4MByte SPI FLASH for boot code and audio content
●Sin le CR2032 battery
●Continuous playin time 4 hours
●Total playin time over 6 hours
●Low-power pause with automatic power off

Applications
●Entrance ticket bundled audio uide (museums, si ht-
seein tours)
●Solar cell operated audio uide
●Intelli ent clothin
●Promotional tool (new product audio presentation)
●Novelty item
●Intelli ent toy

Block Dia ram
VS1000 SPI Flash12 MHz
crystal
Headphones
6 keys6 keyskeys
Lithium
Battery
●Very simple
●BOM less than 3 USD in mass production

Features
Voice Player
●Up to 55 minutes of mono voice in 4-me abyte SPI FLASH
●Content can be prepro rammed or can be loaded via USB
●6 MHz internal clock for very low power consumption
●6 to 22 kHz sample rates, 10 to 41 kbit/sec bitrates
Extended Player
●6 MHz or 12 MHz internal clock, requires sli htly more power
●Hi her clock allows one or more extra features:
Stereo (24kHz stereo, 96kbit/s, -q 5)
Hi her sample rates (44kHz mono, 70kbit/s, -q 3)
EarSpeaker processin (3D sound)

Features (cont.)
Power Consumption
●Depends on headphones, volume, and audio material
●Tested with 30-Ohm headphones and a talk radio
pro ram with default volume level
●Active mode (voice player): 6.0-7.0 mA
●Low-power pause mode: 0.425 mA
●Power-off mode: 0.0 µA
●Pause between tracks increases the total playin time
●Active mode (extended player): 9 mA

Battery Life

User Interface
Voice Player
●POWER – power on, pause/play, power off (lon press)
●PREV – start of track or previous track, rewind (lon press)
●NEXT – next track, fast forward (lon press)
●VOL+ VOL- – volume up and down
●FEATURE – not used in voice player
Extended Player
POWER, PREV, NEXT, VOL+, VOL- like in voice player
FEATURE – EarSpeaker mode, random play (lon press)

Operation
Player operation:
●Turn sw7 to BAT position
●Attach headphones
●Press POWER button (sw6) to start player
●Press POWER for a couple of seconds to turn off player
USB operation:
●Turn sw7 to USB position (disconnects battery)
●Attach USB cable
●Press POWER button (sw6) to start player
●Copy files
●Detach USB cable

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