參數(shù)資料
型號(hào): CXP82324
廠商: Sony Corporation
英文描述: CMOS 8-bit Single Chip Microcomputer
中文描述: 的CMOS 8位單片機(jī)
文件頁數(shù): 13/20頁
文件大?。?/td> 325K
代理商: CXP82324
– 13 –
CXP82316/82320/82324
t
sys is determind by the upper two bits of the clock control resister (Address: 00FE
H
; CPU clock selected)
resulting in one of the 3 following values:
t
sys [ns] = 2000/fc (Upper 2 bits = "00"), 4000/fc (Upper 2 bits = "01"), 16000/fc (Upper 2 bits = "11")
EXTAL
t
XH
t
XL
t
CF
t
CR
0.4V
V
DD
– 0.4V
1/fc
AAAA
74HC04
AAAA
EXTAL
AAAA
External clock
XTAL
AAAA
AAAA
EXTAL
AAAA
Ceramic oscillation
XTAL
AC Characteristics
(1) Clock timing
System clock frequency
System clock input pulse width
System clock input rising and
falling times
Event count input clock pulse
width
Event count input clock rising
and falling times
f
C
t
XL
,
t
XH
t
CR
,
t
CF
t
EH
,
t
EL
t
ER
,
t
EF
XTAL
EXTAL
EXTAL
EXTAL
EC0,
EC1
EC0,
EC1
MHz
ns
ns
ns
ms
Item
Symbol
Pins
Conditions
Unit
Fig. 1, Fig. 2
Fig. 1, Fig. 2
External clock driver
Fig. 1, Fig. 2
External clock driver
Fig. 3
Fig. 3
Min.
1
45
t
sys
+50*
Max.
10
200
20
(Ta = –20 to +75°C, V
DD
= 4.5 to 5.5V, Vss = 0V)
Fig. 1. Clock timing
Fig. 2. Clock applying condition
t
EH
t
EL
t
EF
t
ER
0.2V
DD
0.8V
DD
t
TH
t
TL
t
TF
t
TR
EC0
EC1
Fig. 3. Event count clock timing
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