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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 tLF 75 300 ns
Rise/fall time lag tLR/tLF 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
R
L = 1.5 kΩ
C
L = 200 pF
to 600 pF
C
L = 200 pF
to 600 pF
The electric capacitance (CL) includes
the stray capacitance of connection
and the input capacitance of probe.
Figure 37.66 Measurement Circuit (Low-Speed)