SH7014 Datasheet, PDF (598/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

22. Electrical Characteristics (5 V 28.7 MHz)
22.3.2 Control Signal Timing
Table 22.5 Control Signal Timing
Conditions: V_CC = 5.0 V ±10%, AV_CC = 5.0 V ±10%, AV_CC = V_CC ±10%, V_SS = AV_SS = 0 V,
Ta = −20 to +75° C
Item
Symbol Min Max Unit Figure
RES rise/fall
RES pulse width
NMI rise/fall
RES setup time*
NMI setup time*
IRQ7, IRQ6, IRQ3 to IRQ0 setup time
(edge detection)*
t , t _{RESr RESf}
⎯
t_RESW
20
t , t _{NMIr NMIf}
⎯
t_RESS
35
t_NMIS
35
t_IRQES
35
200 ns
⎯
t_cyc
200 ns
⎯
ns
⎯
ns
⎯
ns
22.4
22.4,
22.5
IRQ7, IRQ6, IRQ3 to IRQ0 setup time
(level detection)*
t_IRQLS
35
⎯
ns
NMI hold time
t
35
⎯
ns
22.5
NMIH
IRQ7, IRQ6, IRQ3 to IRQ0 hold time
t
IRQEH
35
⎯
ns
Note: * The RES, NMI, IRQ7, IRQ6, and IRQ3 to IRQ0 signals are asynchronous inputs, but
when the setup times shown here are provided, the signals are considered to have
produced changes at clock rise (for RES) or clock fall (for NMI, IRQ7, IRQ6, and IRQ3
to IRQ0). If the setup times are not provided, recognition is delayed until the next clock
rise or fall.
Rev.5.00 Sep. 27, 2007 Page 564 of 716
REJ09B0398-0500