SH7670 Datasheet, PDF (1208/1292 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

Section 29 Electrical Characteristics
Item
EXTAL/AUDIO_CLK clock input high-level
pulse width
EXTAL/AUDIO_CLK clock input rise time
EXTAL/SSI_CLK clock input fall time
CKIO clock input frequency
CKIO clock input cycle time
CKIO clock input low-level pulse width
CKIO clock input high-level pulse width
CKIO clock input rise time
CKIO clock input fall time
CKIO clock output frequency
CKIO clock output cycle time
CKIO clock output low-level pulse width
CKIO clock output high-level pulse width
CKIO clock output rise time
CKIO clock output fall time
Power-on oscillation settling time
Oscillation settling time on return from
standby 1
Oscillation settling time on return from
standby 2
Symbol Min.
tEXH
0.4
tEXr

tEXf

fCK
60
tCKIcyc
10
tCKIL
0.3
tCKIH
0.3
tCKIr

tCKIf

fOP
60
tcyc
10
tCKOL
2
tCKOH
2
tCKOr

tCKOf

tOSC1
10
tOSC2
10
tOSC3
10
Max.
0.6
Unit
t_EXcyc
4
4
100
16.6
0.7
0.7
2
2
100
16.6


3
3


ns
ns
MHz
ns
t_CKIcyc
t
CKIcyc
ns
ns
MHz
ns
ns
ns
ns
ns
ms
ms

ms
Figure
29.2
29.3
29.4
29.4
29.5
29.6
29.7
EXTAL,
AUDIO_CLK,
USB_X1*
(input) _{1/2 VccQ}
t_EXH
t_EXcyc
t_EXL
V_IH
V_IH
V_IL
V_IL
t_EXf
V_IH
1/2 VccQ
t_EXr
Note: * When the clock is input on the EXTAL, AUDIO_CLK, or USB_X1 pin
Figure 29.2 EXTAL, AUDIO_CLK, and USB_X1 Clock Input Timing
Rev. 1.00 Nov. 14, 2007 Page 1182 of 1262
REJ09B0437-0100