SH7720 Datasheet, PDF (1377/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 38 Electrical Characteristics
38.4.1 Clock Timing
Table 38.7 Clock Timing
Conditions: V_CCQ = 2.7 to 3.6 V, V_CCQ1 = 2.7 to 3.6 V or 1.65 to 1.95 V, V_CC = 1.4 to 1.6 V,
Ta = –20 to 75°C,
Maximum external bus operating frequency: 66.67 MHz
Item
Symbol
EXTAL clock input frequency
EXTAL clock input cycle time
EXTAL clock input low pulse width
EXTAL clock input high pulse width
EXTAL clock input rise time
EXTAL clock input fall time
CKIO clock output frequency
CKIO clock output cycle time
CKIO clock output low pulse width
CKIO clock output high pulse width
CKIO clock output rise time
CKIO clock output fall time
CKIO clock input frequency
CKIO clock input cycle time
CKIO clock input low pulse width
CKIO clock input high pulse width
CKIO clock input rise time
CKIO clock input fall time
RESETP setup time
RESETP assert time
RESETM assert time
Power-On Oscillation Settling Time
Oscillation Settling Time on Return from Standby 1
Oscillation Settling Time on Return from Standby 2
PLL synchronization settling time
f
EX
t
EXcyc
t_EXL
t
EXH
t_EXr
t_EXf
f_OP
t
cyc
t
CKOL
t
CKOH
t
CKOr
t_CKOf
f
CKI
t_CKICYC
t_CKIL
t_CKIH
t
CKIR
t
CKIF
t
RESPS
t
RESPW
t_RESMW
t
SOC1
t_SOC2
t_SOC3
t_PLL
Min.
10
15
7
7


20
15
3
3


20
15
3
3


20
20
20
10
10
10
100
Max. Unit
66.67 MHz
100 ns
 ns
 ns
4
ns
4
ns
66.67 MHz
50 ns
 ns
 ns
3
ns
3
ns
66.67 MHz
50 ns
 ns
 ns
3
ns
3
ns
 ns

t
cyc

t_cyc
 ms
 ms
 ms
 µs
Figure
38.1
38.2
38.3
38.4
38.4, 38.5
38.5
38.4
38.5
38.6
38.7
Rev. 3.00 Jan. 18, 2008 Page 1315 of 1458
REJ09B0033-0300