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HD64F2145 Datasheet, PDF (728/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer
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Control Signal Timing: Table 28.6 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 28.6 Control Signal Timing
Conditions: VCC = 2.7 V to 3.6 V, VCCB = 2.7 V to 5.5 V, VSS = 0 V, ø = 32.768 kHz, 2 MHz to
maximum operating frequency, Ta = –20 to +75°C
Item
Symbol
5(6 setup time
tRESS
5(6 pulse width
tRESW
NMI setup time (NMI)
tNMIS
NMI hold time (NMI)
tNMIH
NMI pulse width (exiting software standby t
NMIW
mode)
IRQ setup time (,54: to ,543)
tIRQS
IRQ hold time(,54: to ,543)
t
IRQH
IRQ pulse width (,54:, ,549, ,545 to
t
IRQW
,543) (exiting software standby mode)
Condition
10 MHz
Min
Max
300
—
20
—
250
—
10
—
200
—
250
—
10
—
200
—
Unit
ns
tcyc
ns
ns
ns
Test
Conditions
Figure 28.9
Figure 28.10
ns
ns
ns
Rev. 2.0, 08/02, page 688 of 788
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