R32C117A Datasheet, PDF (86/116 Pages) Renesas Technology Corp – RENESAS MCU

R32C/117A Group
5. Electrical Characteristics
V_CC = 5 V
Timing Requirements (V_CC = 4.2 to 5.5 V, V_SS = 0 V, and T_a = T_opr, unless otherwise noted)
Table 5.20 External Clock Input
Symbol
Characteristic
t_c(X)
t_w(XH)
t_w(XL)
t_r(X)
t_f(X)
t_w / t_c
External clock input period
External clock input high level pulse width
External clock input low level pulse width
External clock input rise time
External clock input fall time
External clock input duty
Value
Unit
Min. Max.
62.5 250
ns
25
ns
25
ns
5
ns
5
ns
40
60
%
Table 5.21 External Bus Timing
Symbol
Characteristic
t_su(D-R)
t_h(R-D)
t_dis(R-D)
Data setup time for read
Data hold time after read
Data disable time after read
Value
Unit
Min.
Max.
40
ns
0
ns
0.5 × t_c(Base) + 10 ns
REJ03B0298-0100 Rev.1.00
Jul 16, 2010
Page 86 of 113