HD64F2149 Datasheet, PDF (779/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

25.3.2 Control Signal Timing
Table 25.6 shows the control signal timing. The only external interrupts that can operate on the
subclock (ø = 32.768 kHz) are NMI and IRQ0, 1, 2, 6, and 7.
Table 25.6 Control Signal Timing
Condition: V_CC = 2.7 V to 3.6 V, V_CCB = 2.7 V to 5.5 V, V_SS = 0 V, ø = 32.768 kHz, 2 MHz to
maximum operating frequency, T_a = –20 to +75°C
Item
Symbol
RES setup time
RES pulse width
t _RESS
t _RESW
NMI setup time (NMI)
t _NMIS
NMI hold time (NMI)
t _NMIH
NMI pulse width (exiting software standby t_NMIW
mode)
IRQ setup time (IRQ7 to IRQ0)
t _IRQS
IRQ hold time(IRQ7 to IRQ0)
t _IRQH
IRQ pulse width (IRQ7, IRQ6, IRQ2 to t_IRQW
IRQ0) (exiting software standby mode)
Condition
10 MHz
Min
Max
300
—
20
—
250
—
10
—
200
—
250
—
10
—
200
—
Test
Unit Conditions
ns Figure 25.7
t _cyc
ns Figure 25.8
ns
ns
ns
ns
ns
745