參數(shù)資料
型號: CXP82716S
廠商: Sony Corporation
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 14/21頁
文件大?。?/td> 228K
代理商: CXP82716S
– 14 –
CXP82712/82716
t
sys indicates the three values below according to the upper two bits (CPU clock selection) of the clock
control register (address: 00FE
H
).
t
sys [ns] = 2000/fc (upper two bits = "00"), 4000/fc (upper two bits = "01"), 16000/fc (upper two bits = "11")
EXTAL
t
XH
Fig. 1. Clock timing
t
XL
t
CF
t
CR
0.4V
V
DD
– 0.4V
1/fc
AAAA
AAAA
EXTAL
XTAL
AAAA
AAAA
EXTAL
Crystal oscillation
XTAL
74HC04
C
1
C
2
AAAA
AAAA
TEX
32kHz clock applied condition
TX
C
1
C
2
AC Characteristics
(1) Clock timing
System clock frequency
System clock input pulse width
System clock input
rise and fall time
Event count input clock
pulse width
Event count input clock
rise and fall time
System clock frequency
Event count input clock
input pulse width
Event count input clock
rise and fall time
f
C
t
XL
,
t
XH
t
CR
,
t
CF
t
EH
,
t
EL
t
ER
,
t
EF
f
C
t
TL
,
t
TH
t
TR
,
t
TF
XTAL
EXTAL
EXTAL
EXTAL
EC
EC
TEX
TX
TEX
TEX
MHz
ns
ns
ns
ms
kHz
μs
ms
Item
Symbol
Pins
Conditions
Min.
Unit
Fig. 1, Fig. 2
Fig. 1, Fig. 2
External clock drive
Fig. 1, Fig. 2
External clock drive
Fig. 3
Fig. 3
V
DD
= 2.7 to 5.5V
Fig. 2 (32kHz clock
applied condition)
Fig. 3
Fig. 3
1
37.5
t
sys + 50
10
Typ.
32.768
Max.
10
200
20
20
(Ta = –20 to +75°C, V
DD
= 4.5 to 5.5V, Vss = 0V)
Fig. 2. Clock applied conditions
TEX
EC
t
EH
t
TH
t
EL
t
TL
t
EF
t
TF
t
ER
t
TR
0.2V
DD
0.8V
DD
Fig. 3. Event count clock timing
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