RX23T Datasheet, PDF (64/98 Pages) Renesas Technology Corp – 40-MHz 32-bit RX MCUs, built-in FPU, 65.6 DMIPS

RX23T Group
5. Electrical Characteristics
5.3.4
Control Signal Timing
Table 5.22 Control Signal Timing
Conditions: VCC = 2.7 V to 5.5 V, AVCC0 = VREFH0 = VCC to 5.5 V, VSS = AVSS0 = VREFL0 = 0 V, T_a = –40 to +105°C
Item
Symbol
Min.
Typ. Max. Unit
Test Conditions
NMI pulse width t_NMIW
IRQ pulse width t_IRQW
200
t_Pcyc × 2*¹
200
t_NMICK × 3.5*²
200
t_Pcyc × 2*¹
200
t_IRQCK × 3.5*³
— — ns NMI digital filter disabled
——
(NMIFLTE.NFLTEN = 0)
——
——
NMI digital filter enabled
(NMIFLTE.NFLTEN = 1)
— — ns IRQ digital filter disabled
——
(IRQFLTE0.FLTENi = 0)
——
——
IRQ digital filter enabled
(IRQFLTE0.FLTENi = 1)
t_Pcyc × 2 ≤ 200 ns
t_Pcyc × 2 > 200 ns
t_NMICK × 3 ≤ 200 ns
t_NMICK × 3 > 200 ns
t_Pcyc × 2 ≤ 200 ns
t_Pcyc × 2 > 200 ns
t_IRQCK × 3 ≤ 200 ns
t_IRQCK × 3 > 200 ns
Note:
Note 1.
Note 2.
Note 3.
200 ns minimum in software standby mode.
t_Pcyc indicates the cycle of PCLKB.
t_NMICK indicates the cycle of the NMI digital filter sampling clock.
t_IRQCK indicates the cycle of the IRQi digital filter sampling clock (i = 0 to 5).
NMI
t_NMIW
Figure 5.32 NMI Interrupt Input Timing
IRQ
t_IRQW
Figure 5.33 IRQ Interrupt Input Timing
R01DS0248EJ0110 Rev.1.10
Jan 13, 2016
Page 64 of 98