參數(shù)資料
型號(hào): LC6529F
廠商: Sanyo Electric Co.,Ltd.
英文描述: 4-Bit Microcomputer for Small-Scale Control Applications
中文描述: 4小位微機(jī)控制應(yīng)用規(guī)模
文件頁(yè)數(shù): 14/39頁(yè)
文件大小: 525K
代理商: LC6529F
Figure 6 Reset Circuit
LC6529N RC Oscillator Characteristics
Figure 7 gives the RC oscillator characteristics for the LC6529N. The frequency fluctuation ranges are as follows:
1. For V
DD
= 3.0 to 6.0 V, Ta = –40 to +85°C, Cext = 220 pF, and Rext = 12.0 k
,
309 kHz
f
MOSC
577 kHz
2. For V
DD
= 4.0 to 6.0 V, Ta = –40 to +85°C, Cext = 220 pF, and Rext = 4.7 k
,
660 kHz
f
MOSC
1229 kHz
These results are only guaranteed for the above RC constants.
If the above values are not available, keep the RC constants within the following ranges. (See Figure 7.)
Rext = 3 to 20 k
, Cext = 150 to 390 pF
Note: 1. The oscillator frequency must be within the range between 350 and 750 kHz for V
DD
= 5.0 V and Ta = 25°C.
2. Make sure that the oscillator frequency remains well within the operating clock frequency range (See
frequency divider option table.) for the two ranges V
DD
= 3.0 to 6.0 V, Ta = –40 to +85°C and V
DD
= 4.0 to
6.0 V, Ta = –40 to +85°C.
Figure 7 RC Oscillator Frequency Data (Sample Values)
No. 5117-14/39
LC6529N, LC6529F, LC6529L
Note: When the power supply rising interval is zero, a value of 0.1 μF
for CRES produces a reset interval of 10 to 100 ms. If the
power supply rising interval is larger, adjust CRES to produce a
minimum interval of 10 ms for the oscillation to stabilize.
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