3069RF-ZTAT Datasheet, PDF (769/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

21.3.3 AC Characteristics
Clock timing parameters are listed in table 21.24, control signal timing parameters in table 21.25,
and bus timing parameters in table 21.26. Timing parameters of the on-chip supporting modules
are listed in table 21.27.
Table 21.24 Clock Timing
Condition: T_a = –20°C to +75°C (Standard characteristics specifications),
V_CC = AV_CC = 5.0 V ± 10%, V_REF = 4.5 V to AV_CC, V_SS = AV_SS = 0 V, fmax = 25 MHz
Item
Symbol
Min
Clock cycle time
t_cyc
40
Clock pulse low width t_CL
10
Clock pulse high width t_CH
10
Clock rise time
t_Cr
—
Clock fall time
t_Cf
—
Clock oscillator settling t_OSC1
20
time at reset
Clock oscillator settling t_OSC2
7
time in software standby
Test
Max
Unit
Conditions
62.5
ns
Figure 21.13
—
ns
—
ns
10
ns
10
ns
—
ms
Figure 21.10
—
ms
Figure 20.1
Table 21.25 Control Signal Timing
Conditions: T_a = –20°C to +75°C (Standard characteristics specifications),
V_CC = AV_CC = 5.0 V ± 10%, V_REF = 4.5 V to AV_CC, V_SS = AV_SS = 0 V, fmax = 25 MHz
Item
Symbol Min
RES setup time
t_RESS
150
RES pulse width
t_RESW
20
Mode programming setup t
200
MDS
time
NMI, IRQ setup time
t_NMIS
150
NMI, IRQ hold time
t_NMIH
10
NMI, IRQ pulse width
t
200
NMIW
Max
—
—
—
—
—
—
Unit
ns
t_cyc
ns
ns
ns
ns
Test
Conditions
Figure 21.11
Figure 21.12
Rev. 5.0, 09/04, page 747 of 978