參數(shù)資料
型號: MC68HC05F4CDW
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 1.789 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 6/130頁
文件大?。?/td> 10504K
代理商: MC68HC05F4CDW
MC68HC05F4
10-7
ELECTRICAL SPECIFICATIONS
10
10.5
DC levels for low voltage RESET and LVI
10.6
Electrical specications for DTMF/melody generator
Table 10-7 DC levels for low voltage reset and LVI
(T = 40
°C to 85°C, unless otherwise stated)
Characteristic
Symbol
Min.
Typ.
Max.
Unit
Power-on reset voltage
VRON
2.55
2.8
3.05
V
Power-off reset voltage
VROFF
2.45
2.7
2.95
V
Low voltage interrupt
VLVI
2.75
3.0
3.25
V
Table 10-8 Sine wave tones at TNO
Characteristic
Min.
Typ.
Max.
Unit
Operating voltage
2.7
5.5
V
Tone output level:
Low group row
High group column
0.120
0.160
0.205
0.210
0.280
Vrms
Frequency deviation (DTMF)
0.65
+ 0.65
%
Frequency deviation (Melody)
1.5
+ 1.5
%
Tone output DC level
0.45
0.50
0.55
Vdd
High group pre-emphasis
1
2.15
3
dB
Total harmonic distortion
25
dB
Table 10-9 Square wave tones at TNO
Characteristic
Min.
Typ.
Max.
Unit
Operating voltage
2.7
5.5
V
Tone output level:
Low group row
High group column
0.270
0.360
Vp-p
Frequency deviation (Melody)
1.5
+ 1.5
%
Tone output DC level (+ 1/2 Vp-p value)
0.45
0.50
0.55
Vdd
TPG
99
05F4Book Page 7 Tuesday, August 5, 1997 1:10 pm
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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