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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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HC705JB2GRS/H 数据表(PDF) 104 Page - NXP Semiconductors |
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HC705JB2GRS/H 数据表(HTML) 104 Page - NXP Semiconductors |
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104 / 128 page  GENERAL RELEASE SPECIFICATION August 28, 1998 EPROM MC68HC705JB2 11-4 REV 1.1 11.4 MASK OPTION REGISTER (MOR), $01FF The Mask Option Register (MOR) contains programmable EPROM bits to control mask options. In order to program this register the MORON bit in PCR need to be set to “1” before doing the EPROM programming process. IRQTRIG – IRQ, PA0-PA3 Interrupt Options 1 = Edge-trigger only 0 = Edge-and-level-triggered PULLREN – Port A and B Pullup/Pulldown Options 1 = Connected 0 = Disconnected PAINTEN – PA0-PA3 External Interrupt Options 1 = Disabled 0 = Enabled OSCDLY – Oscillator Delay Option 1 = 128 internal clock cycles 0 = 4064 internal clock cycles LVREN – LVR Option 1 = Enabled 0 = Disabled bit-7 bit-6 bit-5 bit4 bit-3 bit-2 bit1 bit-0 MOR $01FF Read IRQTRIG PULLREN PAINTEN OSCDLY LVREN Write Erased 0001 1 111 Reset Unaffected Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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