Harman Kardon AVR 171/230, Service Manual

Page: 80 / 174

2
FN6819.1
February 4, 2010
Pin Configurations
ISL54220
(10 LD 3.0X3.0 TDFN)
TOP VIEW
ISL54220
(10 LD MSOP)
TOP VIEW
ISL54220
(10 LD 1.8X1.4 µTQFN)
TOP VIEW
NOTE:
1. Switches Shown for SEL = Logic “1” and OE = Logic “0”.
SEL
HSD1+
D+
HSD2+ HSD1-
GND
1
2
3
4
5
10
9
8
7
6 D-
HSD2-
VDD
OE
LOGIC
CONTROL
PD
SEL
HSD1+
D+
HSD2+ HSD1-
GND
1
2
3
4
5
10
9
8
7
6 D-
HSD2-
VDD
OE
LOGIC
CONTROL
8
10
D-
OE
D+
VDD 9
7
2
3
4
GND
HSD1+ HSD2+
5
SEL
LOGIC
CO
N
T
R
O
L
1
6
HSD1- HSD2-
Truth Table
OE SEL HSD1-, HSD1+ HSD2-, HSD2+
0 0 ON OFF
0 1 OFF ON
1 X OFF OFF
Logic “0” when ≤ 0.5V, Logic “1” when ≥ 1.4V with a 2.7V to
3.6V Supply.
Pin Descriptions
TDFN MSOP µTQFN NAME FUNCTION
10 10 9 VDD Power Supply (2.7V to
5.5V)
1 1 10 SEL Select Logic Control
Input
2 2 1 HSD1+ USB Data Port (Channel
1 Positive Input)
3 3 2 HSD2+ USB Data Port (Channel
2 Positive Input)
4 4 3 D+ USB Data Common
Positive Port
5 5 4 GND Ground Connection
6 6 5 D- USB Data Common
Negative Port
7 7 6 HSD2- USB Data Port (Channel
2 Negative Input)
8 8 7 HSD1- USB Data Port (Channel
1 Negative Input)
9 9 8 OE Bus Switch Enable
PD - - PD Thermal Pad. Tie to
Ground or Float
ISL54220
Harman Kardon AVR 171 Service Manual
Page 80 of 174