UPD720101 datasheet(17/36 Pages) NEC

Part #	UPD720101

Description	USB2.0 HOST CONTROLLER

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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Data Sheet S16265EJ4V0DS

17

µPD720101

USB interface block

Parameter

Symbol

Conditions

Min.

Max.

Unit

Serial resistor between DP (DM) and

RSDP (RSDM)

RS

35.64

36.36

Ω

Output pin impedance

ZHSDRV

Includes RS resistor

40.5

49.5

Ω

Input Levels for Low-/full-speed:

High-level input voltage (drive)

VIH

2.0

V

High-level input voltage (floating)

VIHZ

2.7

3.6

V

Low-level input voltage

VIL

0.8

V

Differential input sensitivity

VDI

(D+) − (D−)

0.2

V

Differential common mode range

VCM

Includes VDI range

0.8

2.5

V

Output Levels for Low-/full-speed:

High-level output voltage

VOH

RL of 14.25 k

Ω to GND

2.8

3.6

V

Low-level output voltage

VOL

RL of 1.425 k

Ω to 3.6 V

0.0

0.3

V

SE1

VOSE1

0.8

V

Output signal crossover point voltage

VCRS

1.3

2.0

V

Input Levels for High-speed:

High-speed squelch detection threshold

(differential signal)

VHSSQ

100

150

mV

High-speed disconnect detection

threshold (differential signal)

VHSDSC

525

625

mV

High-speed data signaling common

mode voltage range

VHSCM

−50

+500

mV

High-speed differential input signaling

level

See Figure 3-4.

Output Levels for High-speed:

High-speed idle state

VHSOI

−10

+10

mV

High-speed data signaling high

VHSOH

360

440

mV

High-speed data signaling low

VHSOL

−10

+10

mV

Chirp J level (differential signal)

VCHIRPJ

700

1100

mV

Chirp K level (differential signal)

VCHIRPK

−900

−500

mV

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