參數(shù)資料
型號: MC68HC05P1ADWR2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 38/124頁
文件大?。?/td> 623K
代理商: MC68HC05P1ADWR2
NON-DISCLOSURE
AGREEMENT
REQUIRED
General Description
General Release Specification
MC68HC05P1A Rev. 3.0
20
General Description
MOTOROLA
1.5.2 OSC1 and OSC2
The OSC1 and OSC2 pins are the control connections for the on-chip
oscillator. The OSC1 and OSC2 pins can accept:
1. A crystal, as shown in Figure 1-4 (a).
2. A ceramic resonator, as shown in Figure 1-4 (a).
3. An external resistor, as shown in Figure 1-4 (b).
4. An external clock signal, as shown in Figure 1-4 (c).
Figure 1-4. Oscillator Connections
TO VDD OR STOP
(a) Crystal or Ceramic
Resonator Connections
(b) RC Oscillator
Connections
(c) External Clock Source
Connections
OSC1
OSC2
MCU
27 pF
4.7 M
MCU
OSC1
OSC2
R
OSC1
OSC2
UNCONNECTED
EXTERNAL CLOCK
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