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| CD74HC651EN资料 | |
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CD74HC651EN PDF Download |
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File Size : 105 KB
Manufacturer:HARIS Description:The main software flow diagram is shown in figure 2 and the complete code listed in section 5. Once the variables have been declared, the CONFIG and I/O registers are initialised. The CONFIG1 value of 0x71 disables the COP while the CONFIG2 value of 0x19 configures the MCU as an MC68HC908AZ60A (as opposed to an AS60A). Interrupts are enabled so that the LIN drivers, once initialised by LIN_init(), can function. The main while loop uses the programmable interrupt timer (PIT) to facilitate a 200Hz repetition rate based on an 8MHz crystal. Once every 5ms the PIT overflow flag is set and the main loop is executed to convert the binary input data into 7-segment format. The 200Hz rate is also used to cycle round the 4 LED digits facilitating a flicker free 50Hz multiplexed display. Although the LIN buffer is read and the temperature converted into 4-digit 7-segment format every time, only one digit is actually driven every 5ms. |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：CD74HC651EN 厂 家：HARIS 封 装：90+ 批 号：65 数 量： 说 明： |
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运 费： 所在地： 新旧程度： |
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| 联系人：张小姐、 颜先生13661569158 |
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