User's Manual

PR533_SDS All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product short data sheet
COMPANY PUBLIC
Rev. 3.6 — 27 October 2014
206436 18 of 36
NXP Semiconductors
PR533
USB NFC integrated reader solution
Table 19. USB DP/DM differential receiver input levels
Symbol Parameter Conditions Min Typ Max Unit
V
DI
differential input sen-
sitivity voltage
- 0.2--V
V
CM
differential common
mode voltage range
- 0.8 - 2.5 V
Table 20. USB DP/DM driver characteristics
Symbol Parameter Conditions Min Typ Max Unit
t
r
rise time C
L
= 50 pF;
10 % to 90 %
of (V
OH
- V
OL
)
4- 20ns
t
f
fall time C
L
= 50 pF;
10 % to 90 %
of (V
OH
- V
OL
)
4- 20ns
t
FRFM
differential rise and
fall time matching
(t
FR
/t
FF
); excluding
the first transition
from Idle state
90 - 111.1 %
V
CRS
output signal cross-
over voltage
excluding the first
transition from Idle
state
1.3 - 2.0 V
Fig 4. Transmit waveform at DP/DM
001aan914
level 1
level 2
-400 mV differential
+400 mV differential
0 V differential
unit interval 100 %0 %
point 5 point 6
point 3 point 4
point 1 point 2