UHC124 Datasheet, PDF (4/6 Pages) List of Unclassifed Manufacturers – High Performance Four-Port Embedded USB Host Controller

TransDimension
UHC124
Product Brief
Pin Description
The UHC124 is delivered in a 64-pin LQFP package:
Pin#
1
2
3
4
5
6
7
8
9
10
11
12
13
Pin
Name
V_DD
A₀
A₁
A₂
A₃
A₄
A₅
A₆
A₇
A₈
A₉
A₁₀
A₁₁
14 MODE
15 /CS
16 V_SS
17 OSC₁
18 OSC₂
19 LPF
20 V_DD
21 TEST₀
22 TEST₁
23 TEST₂
24 TEST₃
25 /OC₁
26 /OC₂
27 /OC₃
28 /OC₄
29 /PO₁
30 /PO₂
31 /PO₃
32 /PO₄
33 V_DD
34 DP₁
35 DM₁
Pin
Type
Power
In
In
In
In
In
In
In
In
In
In
In
In
In
In
Ground
In
Out
Passive
Power
Bidir
Bidir
Bidir
Bidir
In
In
In
In
Out
Out
Out
Out
Power
Bidir
Bidir
Pin Description
3.3V Power Supply. All four VDD pins must be connected.
Address bus: bit 0 (least significant bit).
Address bus: bit 1.
Address bus: bit 2.
Address bus: bit 3.
Address bus: bit 4.
Address bus: bit 5.
Address bus: bit 6.
Address bus: bit 7.
Address bus: bit 8.
Address bus: bit 9.
Address bus: bit 10.
Address bus: bit 11.
Memory Access Mode.
MODE = 1: Non-multiplexed memory access.
MODE = 0: Multiplexed memory access with auto-incremented address.
Chip Select: active low.
Ground. All four pins must be connected.
Oscillator Input: input to the inverting oscillator amplifier.
Oscillator Output: output of the inverting oscillator amplifier.
PLL Filter: connecting to a passive RC network.
3.3V Power Supply. All four pins must be connected.
Test Signal I/O: used only for factory testing; working in output mode during
normal operation.
Test Signal I/O: used only for factory testing; working in output mode during
normal operation.
Test Signal I/O: used only for factory testing; working in output mode during
normal operation.
Test Signal I/O: used only for factory testing; working in output mode during
normal operation.
Over Current condition input for Port 1; active low.
Over Current condition input for Port 2; active low.
Over Current condition input for Port 3; active low.
Over Current condition input for Port 4; active low.
Power On Switch for Port 1; active low.
Power On Switch for Port 2; avtive low.
Power On Switch for Port 3; activel low.
Power On Switch for Port 4; activel low.
3.3V Power Supply. All four pins must be connected.
Port 1 Differential Data (+) for USB I/O.
Port 1 Differential Data (-) for USB I/O.
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