Rev. 1.00, 05/04, page 522 of 544
22.3.2 Control Signal Timing
Table 22.6 shows the control signal timing. The only external interrupts that can operate on the
subclock (φ = 32.768 kHz) are NMI and IRQ0, 1, 2, 6, and 7.
Table 22.6 Control Signal Timing
Conditions: VCC = 3.0 V to 3.6 V, VCCB = 3.0 V to 5.5 V, VSS = 0 V, φ = 32.768 kHz, 4 MHz to
maximum operating frequency, Ta = –20 to +75°C
Condition
10 MHz
Item Symbol Min. Max. Unit
Test
Conditions
RES setup time tRESS 300 — ns
RES pulse width tRESW 20 tcyc
Figure 22.8
NMI setup time (NMI) tNMIS 250 — ns
NMI hold time (NMI) tNMIH 10 ns
NMI pulse width
(exiting software standby mode)
tNMIW 200 — ns
IRQ setup time (IRQ7 to IRQ0) tIRQS 250 — ns
IRQ hold time(IRQ7 to IRQ0) tIRQH 10 ns
IRQ pulse width
(IRQ7, IRQ6, IRQ2 to IRQ0)
(exiting software standby mode)
tIRQW 200 — ns
Figure 22.9