R01UH0823EJ0100 Rev.1.00
Page 1777 of 1823
Jul 31, 2019
RX23W Group
51. Electrical Characteristics
51.3.4
Control Signal Timing
Note:
200 ns minimum in software standby mode.
Note 1. t
Pcyc
indicates the cycle of PCLKB.
Note 2. t
NMICK
indicates the cycle of the NMI digital filter sampling clock.
Note 3. t
IRQCK
indicates the cycle of the IRQi digital filter sampling clock (i = 0 to 7).
Figure 51.32
NMI Interrupt Input Timing
Figure 51.33
IRQ Interrupt Input Timing
Table 51.31
Control Signal Timing
Conditions: 1.8 V ≤ VCC = VCC_USB = AVCC0 = VCC_RF = AVCC_RF ≤ 3.6 V, VSS = AVSS0 = VSS_USB = VSS_RF = 0 V,
T
a
= –40 to +85°C
Item
Symbol
Min.
Typ.
Max.
Unit
Test Conditions
NMI pulse width
t
NMIW
200
—
—
ns
NMI digital filter is disabled
(NMIFLTE.NFLTEN = 0)
t
Pcyc
× 2 ≤ 200 ns
t
Pcyc
—
—
t
Pcyc
× 2 > 200 ns
200
—
—
NMI digital filter is enabled
(NMIFLTE.NFLTEN = 1)
t
NMICK
× 3 ≤ 200 ns
t
NMICK
—
—
t
NMICK
× 3 > 200 ns
IRQ pulse width
t
IRQW
200
—
—
ns
IRQ digital filter is disabled
(IRQFLTE0.FLTENi = 0)
t
Pcyc
× 2 ≤ 200 ns
t
Pcyc
—
—
t
Pcyc
× 2 > 200 ns
200
—
—
IRQ digital filter is enabled
(IRQFLTE0.FLTENi = 1)
t
IRQCK
× 3 ≤ 200 ns
t
IRQCK
—
—
t
IRQCK
× 3 > 200 ns
NMI
t
NMIW
IRQ
t
IRQW