ISL54214 Datasheet, PDF (2/22 Pages) Intersil Corporation – USB 2.0 High-Speed x 2 Channels/Stereo Audio Dual SP3T Dual 3-to-1 Multiplexer

State Diagram
00
10
ISL54214
0
ALL
SWITCHES
OFF
00
00
01
0
USB2
10
11
00
11
00
1
01
AUDIO
MUTE
0
USB1
01
INTERNAL REGISTER VALUE
WHEN TRANSISTIONED
INTO THIS STATE
10
11
11
1
01
AUDIO
11
Truth Table
CURRENT CODE LAST CODE
SHUNT SWITCHES
C1
C0
C1
C0
MODE
1kΩ COM SHUNTS
0
0
X
X
ALL SWITCHES OFF
OFF
0
1
X
X
USB1
OFF
1
0
0
0
USB2
OFF
1
0
0
1
USB2
OFF
1
0
1
0
USB2
OFF
1
1
X
X
AUDIO
OFF
1
0
1
0
MUTE
ON
1
0
1
1
MUTE
ON
C0, C1: Logic “0” when ≤ 0.5V or float, Logic “1” when ≥ 1.4V with V_DD in range of 2.7V to 3.6V.
REGISTER
0
0
0
0
0
1
1
1
2
FN6816.3
June 28, 2010