Datasheet

Section 24 Electrical Characteristics
Rev. 3.00 Sep. 28, 2009 Page 683 of 710
REJ09B0384-0300
t
EXCLH
t
EXCLL
t
EXCLr
t
EXCLf
V
CC
× 0.5
EXCL
Figure 24.9 Subclock Input Timing
24.3.2 Control Signal Timing
Table 24.7 shows the control signal timing. Only external interrupts NMI and IRQ0 to IRQ15 can
be operated based on the subclock (φSUB = 32.768 kHz).
Table 24.7 Control Signal Timing
Condition: VCC = 3.0 V to 3.6 V, VSS = 0 V, φ = 20 MHz to 25 MHz
Item Symbol Min. Max. Unit Test Conditions
RES setup time t
RESS
200 ⎯ ns
RES pulse width t
RESW
20 ⎯ t
cyc
Figure 24.10
NMI setup time t
NMIS
150 ⎯ ns
NMI hold time t
NMIH
10 ⎯
NMI pulse width
(exiting software standby
mode)
t
NMIW
200 ⎯
IRQ setup time
(IRQ15 to IRQ0)
t
IRQS
150 ⎯
IRQ hold time
(IRQ15 to IRQ0)
t
IRQH
10 ⎯
Figure 24.11
IRQ pulse width
(IRQ15 to IRQ0) (exiting
software standby mode)
t
IRQW
200 ⎯