SH7764 Datasheet, PDF (1697/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 33 Electrical Characteristics
Table 33.29 USB Electrical Characteristics (for Low Speed)
Item
Symbol Min.
Max.
Unit
Condition
Transition time (rising)
t
75
300
ns
R
Transition time (falling)
t
F
75
300
ns
Rising/ falling time matching t_RFM
80
125
%
(TR/TF)
Output signal crossover voltage V_CRS
1.3
2.0
V

Notes: The values are measured under the condition that the capacitor for edge control
C
EDGE
=
47pF
is
connected
to
the
serial
resistor
Rs
=
22Ω.GPIO
Signal
Timing.
* Within 10 to 90% of signal voltage.
33.4.12 GPIO Signal Timing
Table 33.30 GPIO Signal Timing
Conditions: 3.3-V power supply= 3.0 to 3.6 V, 1.2-V power supply= 1.15 to 1.35,
Ta = –20 to 85°C, –40 to 85°C
Item
GPIO output delay time
GPIO input setup time
GPIO input hold time
Symbol
t
IOPK
t_IOPS
t
IOPH
Min. Max.

17
17

T  _CLKOUTcyc
Unit Figure
ns
33.63
ns
ns
CLKOUT
GPIO
output
GPIO
input
t_IOPD
t_IOPS t_IOPH
Figure 33.63 GPIO Timing
Rev. 1.00 Nov. 22, 2007 Page 1641 of 1692
REJ09B0360-0100