参数资料
型号: ST62P09CB6/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP20
封装: 0.300 INCH, PLASTIC, DIP-20
文件页数: 75/104页
文件大小: 1487K
代理商: ST62P09CB6/XXX
ST6208C/ST6209C/ST6210C/ST6220C
72/104
10.5 CLOCK AND TIMING CHARACTERISTICS
Subject to general operating conditions for VDD, fOSC, and TA.
10.5.1 General Timings
10.5.2 External Clock Source
Notes:
1. Data based on typical application software.
2. Time measured between interrupt event and interrupt vector fetch.
t
c(INST) is the number of tCPU cycles needed to finish
the current instruction execution.
Figure 49. Typical Application with an External Clock Source
Symbol
Parameter
Conditions
Min
Typ 1)
Max
Unit
tc(INST)
Instruction cycle time
24
5
tCPU
fCPU=8 MHz
3.25
6.5
8.125
s
tv(IT)
Interrupt reaction time 2)
tv(IT) = tc(INST) + 6
611
tCPU
fCPU=8 MHz
9.75
17.875
s
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VOSCINH
OSCIN input pin high level voltage
0.7xVDD
VDD
V
VOSCINL
OSCIN input pin low level voltage
VSS
0.3xVDD
IL
OSCx Input leakage current
VSS≤VIN≤VDD
± 2
A
OSCIN
OSCOUT
fOSC
EXTERNAL
ST62XX
CLOCK SOURCE
VOSCINL
VOSCINH
IL
90%
10%
Not connected
1
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