Datasheet

Section 26 Electrical Characteristics
Page 1350 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
26.3.5 USB Characteristics
The following figures describe USB characteristics.
USD+, USD-
Differential
Data Liness
10% 10%
90% 90%
V
CRS
Rise Time Fall Time
t
R
t
F
Figure 26.36 Data Signal Timing
USD+
USD-
Rs=27
Ω
Rs=27Ω
Test Point
C
L=50pF
Test Point
C
L=50pF
Figure 26.37 Load Conditions
00 other than 00
Oscillation stabilization time
tUSOSC
Two 48-MHz USB clocks
USPLLCR/
USSTC1, USSTC0
48-MHz USB clock
(cku)
EXMSTPCRL/
MSTPI7
Oscillator
φ
USB PLL output clock
Figure 26.38 Timing of Oscillation Stabilization Time of USB PLL