UPD720102 データシートの表示（PDF） - NEC => Renesas Technology

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UPD720102

USB 2.0 HOST CONTROLLER

NEC => Renesas Technology 

2.3 Internal Regulator Circuit Connection

Figure 2–2. Internal Regulator Circuit Connection

μ

DD15

DD15

DD15

3.3 μ F (Ceramic type only)

μPD720102

Caution VDD15OUT must be routed to only VDD15 (and AVDD15). In case that VDD15OUT is also used for

power supply of other ICs, this may cause unstable operation of the μPD720102.

Remark VDD15 is powered by VDD15OUT from internal regulator. It is not necessary to use external regulator for

VDD15.

2.4 Analog Circuit Connection

Figure 2–3. Analog Circuit Connection

μ

1.6 kΩ+−1 %

55

55

<R>

Remark The board layout should minimize the total path length from RREF through the resistor to AVSS(R) and

path length to AVSS (analog ground). AVSS must be stable.

Data Sheet S17998EJ4V0DS

11

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