參數(shù)資料
型號(hào): CXP88624Q
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(yè)數(shù): 18/31頁(yè)
文件大小: 404K
代理商: CXP88624Q
– 18 –
CXP88616/88624
EC
t
EH
t
EL
t
EF
t
ER
0.2V
DD
0.8V
DD
t
TH
t
TL
t
TF
t
TR
Fig. 3. Event count clock timing
1)
t
sys indicates three values according to the contents of the clock control register (CLC; 00FE
H
) upper 2 bits
(CPU clock selection).
t
sys [ns] = 2000/fc (Upper 2 bits = "00"), 4000/fc (Upper 2 bits = "01"), 16000/fc (Upper 2 bits = "11")
EXTAL
XTAL
t
XH
t
XL
t
CF
t
CR
0.4V
V
DD
– 0.4V
1/fc
AAAAA
74HC04
AAAAA
AAAAA
External clock
AAAA
C
1
AAAA
AAAA
Ceramic oscillation
C
2
AC Characteristics
(1) Clock timing
System clock frequency
System clock input pulse width
System clock input rise and
fall times
Event count clock input
pulse width
Event count clock input
rise and fall times
f
C
t
XL
,
t
XH
t
CR
,
t
CF
t
EH
,
t
EL
t
ER
,
t
EF
XTAL
EXTAL
XTAL
EXTAL
XTAL
EXTAL
EC
EC
MHz
ns
ns
ns
ms
Item
Symbol
Pin
Condition
Unit
Fig. 1, Fig. 2
Fig. 1, Fig. 2
External clock drive
Fig. 1, Fig. 2
External clock drive
Fig. 3
Fig. 3
Typ.
Min.
1
28
t
sys
+
200
1
Max.
16
200
20
(Ta = –20 to +75°C, V
DD
= 4.5 to 5.5V, Vss = 0V reference)
Fig. 1. Clock timing
Fig. 2. Clock applied condition
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