Datasheet

R8C/M11A Group, R8C/M12A Group 4. Electrical Characteristics
R01DS0010EJ0200 Rev.2.00 Page 42 of 45
May 31, 2012
Timing Requirements (Vcc = 2.2 V, Vss = 0 V at Topr = 25 °C, unless otherwise specified)
Figure 4.12 External Clock Input Timing When Vcc = 2.2 V
Figure 4.13 TRJIO Input Timing When Vcc = 2.2 V
Table 4.27 External Clock Input (XIN)
Symbol Parameter
Standard
Unit
Min. Max.
t
c(XIN) XIN input cycle time 200 — ns
t
WH(XIN) XIN input high width 90 — ns
t
WL(XIN) XIN input low width 90 — ns
Table 4.28 TRJIO Input
Symbol Parameter
Standard
Unit
Min. Max.
t
c(TRJIO) TRJIO input cycle time 500 — ns
t
WH(TRJIO) TRJIO input high width 200 — ns
t
WL(TRJIO) TRJIO input low width 200 — ns
Vcc = 2.2 V
External
Clock input
tWH(XIN)
tC(XIN)
tWL(XIN)
Vcc = 2.2 V
TRJIO input
tWH(TRJIO)
tC(TRJIO)
tWL(TRJIO)