參數(shù)資料
型號: SAF-C161O-LM3VHA
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 16-BIT, 20 MHz, MICROCONTROLLER, PQFP80
封裝: 0.65 MM PITCH, ROHS COMPLIANT, PLASTIC, MQFP-80
文件頁數(shù): 37/68頁
文件大?。?/td> 1121K
代理商: SAF-C161O-LM3VHA
C161K
C161O
Data Sheet
38
V2.0, 2001-01
AC Characteristics
Table 10
External Clock Drive XTAL1 (Standard Supply Voltage Range)
(Operating Conditions apply)
Parameter
Symbol
Direct Drive
1:1
Prescaler
2:1
Unit
min.
max.
min.
max.
Oscillator period
tOSC SR 40
20
ns
High time1)
1) The clock input signal must reach the defined levels V
IL2 and VIH2.
t1
SR 202)
2) The minimum high and low time refers to a duty cycle of 50%. The maximum operating frequency (f
CPU) in
direct drive mode depends on the duty cycle of the clock input signal.
6
ns
Low time1)
t2
SR 202)
6
ns
Rise time1)
t3
SR –
10
6ns
Fall time1)
t4
SR –
10
6ns
Table 11
External Clock Drive XTAL1 (Reduced Supply Voltage Range)
(Operating Conditions apply)
Parameter
Symbol
Direct Drive
1:1
Prescaler
2:1
Unit
min.
max.
min.
max.
Oscillator period
tOSC SR 50
25
ns
High time1)
1) The clock input signal must reach the defined levels V
IL2 and VIH2.
t1
SR 252)
2) The minimum high and low time refers to a duty cycle of 50%. The maximum operating frequency (f
CPU) in
direct drive mode depends on the duty cycle of the clock input signal.
8
ns
Low time1)
t2
SR 252)
8
ns
Rise time1)
t3
SR –
10
6ns
Fall time1)
t4
SR –
10
6ns
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