參數(shù)資料
型號: W65C134SPL-8
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 57/60頁
文件大?。?/td> 711K
代理商: W65C134SPL-8
WESTERN DESIGN CENTER
W65C134S
March 1, 2000
52
5.3
Recommended clock and fclock oscillators
The following circuit is a possible clocking system for the W65C134S providing both 32.768KHz and 2.0MHz
frequencies. The 32.768KHz clock is well suited for setting up a time of day clock with one of the W65C134S's
internal timers.
In constructing this oscillator circuit, components should be kept as physically close to the W65C134S as possible and
any excess in component leads should be trimmed off.
C1 = 47pF
C2 = 27pF
C3 = 22pF
C4 = 5-30pF variable
XTAL1 = 4 MHz
R0 = 100
R1 = 800K
R2 = 2.6M
R3 = 150K
XTA L2= 32.768 KHz
Note:
1.
2.
Depending on trace layout or construction techniques used, values may need to be altered slightly.
Pin numbers only apply to PLCC package only.
Figure 5-7 Oscillator Circuit
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