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參數(shù)資料
| 型號： | 68HC05K0 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 8-Bit Microcontroller Units (MCU).(8位微控制器) |
| 中文描述： | 8位微控制器單元（MCU）。（8位微控制器） |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 111K |
| 代理商： | 68HC05K0 |
AN463/D
MOTOROLA
5
Figure 5
Infra-red remote control
RESET
PB1
PB0
IRQ
PA0
PA1
PA2
PA3
OSC1
OSC2
VDD
PA7
PA6
PA5
PA4
VSS
6
5v
GND
8
4
4
μ
F
I
0
10M
2MHz
220pF
220pF
5v
2
The remote control circuit is shown in
Figure 5
. The
hardware consists of the keyboard, the oscillator
and the infra-red amplifier. The oscillator can be a
crystal or a ceramic resonator with a frequency of
2MHz. The oscillator frequency is important since
the transmission timing is based around a 1MHz
internal clock frequency.
The infra-red amplifier uses two transistors and two
standard diodes to limit the current through the IR
diodes to approximately 1A. There is a need for a
large capacitor close to the IR diodes because of
the high switching current of the circuit.
Hardware
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相關(guān)代理商/技術(shù)參數(shù) |
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| 68HC05K3DW | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
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| 68HC05L5 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:General Release Specification |
| 68HC05M68HC | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:HCMOS Microcontroller Unit |
| 68HC05P4A | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:SPECIFICATION (General Release) |
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