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參數(shù)資料
| 型號： | MC68HC05P4ACP |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁數(shù)： | 6/72頁 |
| 文件大?。?/td> | 400K |
| 代理商： | MC68HC05P4ACP |
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General Description
MC68HC05P4A Data Sheet, Rev. 7.1
14
Freescale Semiconductor
1.5 Pin Assignments
The MC68HC05P4A pin assignments are shown in Figure 1-2.
Figure 1-2. Pin Assignments
1.6 Signal Description
The following paragraphs provide a description of the signals.
1.6.1 VDD and VSS
Power is supplied to the microcontroller through VDD and VSS. VDD is the power supply and VSS is ground.
1.6.2 IRQ
This pin has a mask option that provides two different choices of interrupt triggering sensitivity. The IRQ
pin contains an internal Schmitt trigger as part of its input to improve noise immunity. Refer to Chapter 3
Central Processor Unit (CPU) for more detail.
1.6.3 OSC1 and OSC2
These pins provide control input for an on-chip clock oscillator circuit. A crystal, a ceramic resonator, a
resistor/capacitor combination, or an external signal connects to these pins and provides a system clock.
A mask option selects either a crystal/ceramic resonator or a resistor/capacitor as the frequency
determining element. The oscillator frequency is two times the internal bus rate.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
27
28
VDD
OSC1
OSC2
TCAP/PD7
TCMP
PD5
PC0
PC1
RESET
IRQ
PA7
PA5
PA4
PA3
PA2
PA1
PA0
PA6
15
16
17
18
19
20
SDO/PB5
SDI/PB6
SCK/PB7
VSS
21
22
23
24
25
26
PC2
PC3
PC4
PC5
PC6
PC7
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68HC05P4ACDW | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC05P4ADWE | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC05P4APE | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28 |
| MC68HC05P4ADW | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC05P6VS | 8-BIT, 2.1 MHz, MICROCONTROLLER, CDIP28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC05P4DW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
| MC68HC05P4P | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
| MC68HC05P6 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
| MC68HC05P6_1 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
| MC68HC05P8 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
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