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SH7763 Datasheet, PDF (1961/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series
Section 43 Electrical Characteristics
43.4.20 USB Module Signal Timing
Table 43.33 USB Module Clock Timing
Conditions:
VCCQ = VDD_RTC = AVCC = 3.0 to 3.6 V, VCCQ-DDR = 2.3 to 2.7 V, VDD = 1.15 to
1.35 V, Ta = −20 to 75°C
Item
USB_CLK external input clock
frequency (48 MHz)
Clock rise time
Clock fall time
Duty (tHIGH/tLOW)
Symbol
t
FREQ
t
R48
t
F48
tDUTY
Min.
47.9


90
Max.
48.1
4
4
110
Unit
MHz
ns
ns
%
Figure
43.78
USB_CLK (input)
tFREQ
tHIGH
tLOW
90%
10%
tR48
tF48
Figure 43.78 USB Clock Timing
Table 43.34 USB Electrical Characteristics (Full-Speed)
Item
Symbol Min. Max. Unit Condition*1
Transition time (rise)*2
t
4
20
ns
CL = 50 pF
R
Transition time (fall)*2
t
4
20
ns
CL = 50 pF
F
Rise/fall time matching
t
RFM
90
111 %
(TR/TF)
Output signal crossover power supply voltage VCRS
1.3
2.0
V

Notes: Measured with edge control CEDGE = 47 pF and connection of direct resister Rs = 22 Ω.
1. Value when CL = 50 pF unless specified.
2. Value within 10% to 90% of the signal power supply voltage.
Rev. 1.00 Oct. 01, 2007 Page 1895 of 1956
REJ09B0256-0100