Renesas R5S72621 User Manual
Section 37 Electrical Characteristics
R01UH0134EJ0400 Rev. 4.00
Page 2035 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
37.4.14
USB 2.0 Host/Function Module Timing
Table 37.18 USB Transceiver Timing (Low-Speed)
Item Symbol
Min.
Typ.
Max.
Unit
Figure
Rise time
t
LR
75
300
ns
Figure
37.65
Fall time
t
LF
75
300
ns
Rise/fall time lag
t
LR
/t
LF
80
125
%
DP, DM
t
LR
t
LF
10%
10%
90%
90%
Figure 37.65 DP and DM Output Timing (Low-Speed)
Measurement
circuit
PV
CC
PV
CC
DP
DM
V
SS
RL = 1.5 k
Ω
CL = 200 pF
to 600 pF
CL = 200 pF
to 600 pF
The electric capacitance (CL) includes
the stray capacitance of connection
and the input capacitance of probe.
the stray capacitance of connection
and the input capacitance of probe.
Figure 37.66 Measurement Circuit (Low-Speed)