UHC124 Datasheet, PDF (5/6 Pages) List of Unclassifed Manufacturers – High Performance Four-Port Embedded USB Host Controller

Product Brief
TransDimension
UHC124
36 V_SS
37 DP₂
38 DM₂
39 DP₃
40 DM₃
41 DP₄
42 DM₄
43 TEST₄
44 D₀
45 D₁
46 D₂
47 D₃
48 V_DD
49 V_SS
50 D₄
51 D₅
52 D₆
53 D₇
54 /RESET
55 /WR
56 /RD
57 TMS₀
58 TMS₁
59 TMS₂
60 TMS₃
61 /INT
62 ADS
63 GNDP
64 V_SS
Ground
Bidir
Bidir
Bidir
Bidir
Bidir
Bidir
Bidir
Bidir
Bidir
Bidir
Bidir
Power
Ground
Bidir
Bidir
Bidir
Bidir
In
In
In
In
In
In
In
Ouput
In
In
Ground
Ground. All four pins must be connected.
Port 2 Differential Data (+) for USB I/O.
Port 2 Differential Data (-) for USB I/O.
Port 3 Differential Data (+) for USB I/O.
Port 3 Differential Data (-) for USB I/O.
Port 4 Differential Data (+) for USB I/O.
Port 4 Differential Data (-) for USB I/O.
Test Signal I/O: used only for factory testing; working in output mode during
normal operation.
Data bus: Bit 0.
Data bus: Bit 1.
Data bus: Bit 2.
Data bus: Bit 3.
3.3V Power Supply. All four pins must be connected.
Ground. All four pins must be connected.
Data bus: Bit 4.
Data bus: Bit 5.
Data bus: Bit 6.
Data bus: Bit 7.
Hardware Reset: resets entire USB system; active low.
Bus Write Strobe: active low.
Bus Read Strobe: active low.
Test Mode Select: used only for factory testing; connect to VSS for normal
operation.
Test Mode Select: used only for factory testing; connect to VSS for normal
operation.
Test Mode Select: used only for factory testing; connect to VSS for normal
operation.
Test Mode Select: used only for factory testing; connect to VSS for normal
operation.
Interrupt: generated for microprocessor; active low.
Address/Data Select: see description of Pin MODE; When MODE = 1, this pin
has no effect, and it should be tied to VSS for noise immunity.
Voltage Reference: for built-in power on reset (POR), connect to VSS (ground)
for normal operation.
Ground. All four pins must be connected.
TransDimension Inc. — Proprietary
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