SH7263 Datasheet, PDF (1726/1862 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

Section 35 Electrical Characteristics
35.4.1 Clock Timing
Table 35.6 Clock Timing
Conditions: VCC = PLLVCC = USBDVCC = 1.1 to 1.3 V, PVCC = USBDPVCC = 3.0 to 3.6 V,
AVCC = 3.0 to 3.6 V, USBAVCC = 1.1 to 1.3 V, USBAPVCC = 3.0 to 3.6 V,
VSS = PLLVSS = PVSS = AVSS = USBDVSS = USBAVSS = USBDPVSS =
USBAPVSS = 0 V, Ta = −40 to 85 °C
Item
EXTAL clock input frequency
EXTAL clock input cycle time
AUDIO_X1 clock input frequency
(crystal resonator connected)
AUDIO_X1 clock input cycle time
(crystal resonator connected)
AUDIO_X1, AUDIO_CLK clock input frequency
(external clock input)
AUDIO_X1, AUDIO_CLK clock input cycle time
(external clock input)
USB_X1 clock input frequency
EXTAL, AUDIO_X1, AUDIO_CLK, USB_X1 clock
input low pulse width
EXTAL, AUDIO_X1, AUDIO_CLK, USB_X1 clock
input high pulse width
EXTAL, AUDIO_X1, AUDIO_CLK, USB_ X1 clock
input rise time
EXTAL, AUDIO_X1, AUDIO_CLK, USB_ X1 clock
input 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
Symbol Min.
fEX
10.00
tEXcyc
30
fEX
10
Max.
33.33
100
40
Unit Figure
MHz Figure
ns ^35.2
MHz
tEXcyc
25
100 ns
fEX
1
40
MHz
tEXcyc
25
1000 ns
fEX
48 MHz ±100 ppm
tEXL
0.4
0.6 t
EXcyc
tEXH
0.4
0.6 t
EXcyc
tEXr
⎯
4
ns
tEXf
⎯
4
ns
fCK
tCKIcyc
tCKIL
tCKIH
tCKIr
tCKIf
40.00
15
0.4
0.4
⎯
⎯
66.66
25
0.6
0.6
3
3
MHz Figure
ns ^35.3
t
CKIcyc
t
CKIcyc
ns
ns
Rev. 2.00 Mar. 14, 2008 Page 1692 of 1824
REJ09B0290-0200