RX230 Datasheet, PDF (120/177 Pages) Renesas Technology Corp – 54-MHz 32-bit RX MCUs, built-in FPU, 88.56 DMIPS, up to 512-KB flash memory

RX230 Group, RX231 Group
5. Electrical Characteristics
5.3.4
Control Signal Timing
Table 5.33 Control Signal Timing
Conditions: 1.8 V ≤ VCC = VCC_USB = AVCC0 ≤ 5.5 V, VSS = AVSS0 = VSS_USB = 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 is disabled
——
(NMIFLTE.NFLTEN = 0)
——
——
NMI digital filter is enabled
(NMIFLTE.NFLTEN = 1)
— — ns IRQ digital filter is disabled
——
(IRQFLTE0.FLTENi = 0)
——
——
IRQ digital filter is 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 7).
NMI
t_NMIW
Figure 5.36 NMI Interrupt Input Timing
IRQ
t_IRQW
Figure 5.37 IRQ Interrupt Input Timing
R01DS0261EJ0110 Rev.1.10
Oct 30, 2015
Page 120 of 177