參數(shù)資料
型號: S1C621C0D
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 1.3 MHz, MICROCONTROLLER, UUC74
封裝: DIE-74
文件頁數(shù): 99/108頁
文件大?。?/td> 992K
代理商: S1C621C0D
82
EPSON
S1C621C0 TECHNICAL MANUAL
CHAPTER 7: ELECTRICAL CHARACTERISTICS
(2) Resistance-Oscillation frequency
CR oscillation frequency of the R/F converter disperses in each sampling. Therefore, the initial setting
value of the measurement counter should be decided after considering the fluctuation margin of the CR
oscillation frequency by the reference resistance and sensor resistance to be used for the measurement.
Figures 7.7.2 and 7.7.3 show the resistance-oscillation frequency curves.
Note: The following curves are characteristic when the oscillating capacitor is 2,200 pF.
Typical oscillation frequency is characteristic when VDD = 3.0 V and Ta = 25°C.
Fig. 7.7.2 Resistance-oscillation frequency curve (REF)
Fig. 7.7.3 Resistance-oscillation frequency curve (SEN0, SEN1)
1k
0.1
Resistance [
]
Oscillation
frequency
[kHz]
1.0
10
100
10k
100k
1M
10M
MAX
TYP
MIN
VDD = 2.2 to 5.5 V
VSS = 0 V
Ta = -40 to 85°C
Oscillating capacitor: 2,200 pF
1k
0.1
1.0
10
100
10k
100k
1M
10M
MAX
TYP
MIN
Resistance [
]
Oscillation
frequency
[kHz]
VDD = 2.2 to 5.5 V
VSS = 0 V
Ta = -40 to 85°C
Oscillating capacitor: 2,200 pF
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