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| ISL54209 Datasheet, PDF (10/19 Pages) Intersil Corporation – MP3/USB 2.0 High Speed Switch with Negative Signal Handling and Low Power Shutdown | |||
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ISL54209
Typical Application Block Diagrams
3.3V
VBUS
VDD
ISL54209
IN
LOGIC CONTROL
4MΩ
COM -
COM +
50kΩ
GND
CTRL
4MΩ
D-
D+
L
R
50kΩ
µCONTROLLER
USB
HIGH-SPEED
TRANSCEIVER
AUDIO
CODEC
FIGURE 8. LOGIC CONTROL VIA MICRO-PROCESSOR
3.3V
VBUS
500kΩ
VDD
ISL54209
IN
LOGIC CONTROL
4MΩ
COM -
COM +
50kΩ
GND
CTRL
4MΩ
D-
D+
L
R
50kΩ
µCONTROLLER
USB
HIGH-SPEED
TRANSCEIVER
AUDIO
CODEC
FIGURE 9. LOGIC CONTROL VIA VBUS VOLTAGE FROM COMPUTER OR USB HUB
10
FN6627.4
June 10, 2010
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