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參數(shù)資料
| 型號(hào)： | MC68HC05BD3 |
| 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(yè)數(shù)： | 71/112頁(yè) |
| 文件大?。?/td> | 676K |
| 代理商： | MC68HC05BD3 |
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MC68HC05BD3
MOTOROLA
8-11
SYNC SIGNAL PROCESSOR
8
8.4
System Operation
The incoming signals can be either separate HSYNC and VSYNC or composite sync through
HSYNC input. Polarity correction is performed before the sync signals go any further into the
system. The sync pulse detection block continuously monitors the signals to see if the signals are
active. If the signals are not active, the circuit switches to output the internally generated sync
signals. This will protect the circuits behind from being damaged by inactive signals.
A typical monitor system operation is summarized in Figure 8-6.
Note:
User is required to check the HDET and VDET at VSIN=0 first. If either or both are not
detected, user then set VSIN=1 to check HDET and VDET. It is because if the incoming
signal is a valid composite signal, HDET and VDET are both read 1 even VSIN=1.
Note:
Each time if VDET is not detected when VSIN=1, user needs to clear VSIN to check
VDET. If VDET is still not detected, user then set VSIN to check them again to decide
what mode it is.
TPG
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| MC68HC05BD5 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit |
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| MC68HC05C12 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNITS |
| MC68HC05C12B | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNITS |
| MC68HC05C12CP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNITS |
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