參數(shù)資料
型號: EM78P451S
廠商: ELAN Microelctronics Corp .
英文描述: Quad, Serial, 8-Bit DACs with Rail-to-Rail Outputs
中文描述: 8位微控制器的OTP ROM的
文件頁數(shù): 43/54頁
文件大小: 421K
代理商: EM78P451S
EM78P451S
8-Bit Microcontroller with OTP ROM
Product Specification (V1.0) 06.01.2004
(This specification is subject to change without further notice)
39
OSCI
OSCO
EM78P451S
Ext. Clock
Fig. 18 Circuit for External Clock Input
OSCI
OSCO
EM78P451S
C1
C2
XTAL
RS
Fig. 19 Circuit for Crystal/Resonator
Table 11 Capacitor Selection Guide for Crystal Oscillator Ceramic Resonators
Oscillator Type
Frequency Mode
Frequency
455 KHz
1.0 MHz
2.0 MHz
4.0 MHz
32.768 KHz
100 KHz
200 KHz
455 KHz
1.0 MHz
2.0 MHz
4.0 MHz
C1 (pF)
10~150
40~80
20~40
10~30
25
25
25
20~40
15~30
15
15
C2 (pF)
10~150
40~80
20~40
10~30
15
25
25
20~150
15~30
15
15
Ceramic Resonator
HXT
LXT
Crystal Oscillator
HXT
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