Renesas R5S72646 사용자 설명서
Section 37 Electrical Characteristics
Page 1974 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
37.4
AC Characteristics
Signals input to this LSI are basically handled as signals in synchronization with a clock. The
setup and hold times for input pins must be followed.
setup and hold times for input pins must be followed.
Conditions for AC characteristics
V
CC
= PLLV
CC
= USBDV
CC
= USBUV
CC
= 1.1 to 1.3 V,
PV
CC
= USBDPV
CC
= 3.0 to 3.6 V, AV
CC
= 3.0 to 3.6 V, USBAV
CC
= 1.1 to 1.3 V, USBAPV
CC
=
3.0 to 3.6 V, V
SS
= PLLV
SS
= AV
SS
= USBDV
SS
= USBAV
SS
=
USBDPV
SS
= USBAPV
SS
= USBUV
SS
= 0 V, T
a
=
20 to 85 C (regular specifications), 40 to
85
C (wide-range specifications)
Table 37.4 Operating Frequency
Item
Symbol Min. Max. Unit Remarks
Operating
frequency
frequency
CPU clock (I
) f
40.00
144.00
MHz
Bus clock (B
)
40.00 72.00 MHz
Peripheral clock (P
) 6.67 36.00 MHz
37.4.1
Clock Timing
Table 37.5 Clock Timing
Item Symbol
Min.
Max.
Unit
Figure
EXTAL clock input frequency
f
EX
10.00
18.00
MHz
Figure
37.1
37.1
EXTAL clock input cycle time
t
EXcyc
55.55
100.00
ns
AUDIO_X1 clock input frequency (crystal resonator
connected)
connected)
f
EX
10.00
25.00
MHz
AUDIO_X1 clock input cycle time (crystal resonator
connected)
connected)
t
EXcyc
40.00
100.00
ns
AUDIO_X1, AUDIO_CLK clock input frequency
(external clock input)
(external clock input)
f
EX
1.00
25.00
MHz
AUDIO_X1, AUDIO_CLK clock input cycle time
(external clock input)
(external clock input)
t
EXcyc
40.00
1000.00
ns
USB_X1 clock input frequency (when high-speed
transfer function is used)
transfer function is used)
f
EX
48
MHz
100 ppm
USB_X1 clock input frequency (when high-speed
transfer function is not used and host controller
function is used)
transfer function is not used and host controller
function is used)
48
MHz
500 ppm