SH7670 Datasheet, PDF (1207/1292 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series

Section 29 Electrical Characteristics
29.4.1 Clock Timing
Table 29.6 Clock Timing
Conditions:
V_CC = V_CC (PLL) = DV12 = UV12 = 1.1 to 1.3 V, V_CCQ = DV33 = 3.1 to 3.5 V,
AV12 = 1.1 to 1.3 V, AV33 = 3.1 to 3.5 V,
V_SS = V_SS (PLL) = DG12 = UG12 = V_SSQ = DG33 = AG12 = AG33 = 0 V,
Ta = –20 to 70°C (regular specifications),
–40 to 85°C (wide temperature specifications)
Item
EXTAL clock input frequency
EXTAL clock input cycle time
AUDIO_CLK clock input frequency
AUDIO_CLK clock input cycle time
USB_X1 clock input frequency
EXTAL/AUDIO_CLK clock input low-level
pulse width
Symbol Min.
fEX
15
tEXcyc
40
fEX
10
tEXcyc
25
fEX
48
tEXL
0.4
Max.
25
66.6
40
100
48
0.6
Unit
MHz
ns
MHz
ns
MHz
t
EXcyc
Figure
29.2
Rev. 1.00 Nov. 14, 2007 Page 1181 of 1262
REJ09B0437-0100