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    • 1. 发明授权
    • Comparator switching apparatus and method
    • 比较器开关装置及方法
    • US07215158B2
    • 2007-05-08
    • US11239083
    • 2005-09-30
    • Masahiro KitagawaKatsuhito TakeuchiHiroyuki Obata
    • Masahiro KitagawaKatsuhito TakeuchiHiroyuki Obata
    • H03K5/22H03K5/153
    • H03K5/24H03K19/0008
    • An operation switching circuit switches over two comparators, which receives communication data, in accordance with a normal mode and a standby mode of a microcomputer. A delay circuit delays a mode switching signal. The mode switching signal and the delayed signal are combined by an OR gate and an AND gate to two comparator control signals, which have different high level periods. The comparators are driven by the comparator control signals, while a multiplexer is driven by the delayed signal. When one comparator is switched from the inoperative state to the operative state, the other comparator is continued to be held operative for the delay period before being switched to the inoperative state.
    • 操作切换电路根据微型计算机的正常模式和待机模式切换接收通信数据的两个比较器。 延迟电路延迟模式切换信号。 模式切换信号和延迟信号通过或门和与门组合到具有不同高电平周期的两个比较器控制信号。 比较器由比较器控制信号驱动,而多路复用器由延迟信号驱动。 当一个比较器从非工作状态切换到工作状态时,另一个比较器在切换到非工作状态之前继续保持延迟时间。
    • 5. 发明授权
    • Control system with microcomputer and associated electrically
reconfigurable logic circuit
    • 具有微机控制系统及相关电子可重构逻辑电路
    • US5892942A
    • 1999-04-06
    • US667788
    • 1996-06-21
    • Koji OhnishiKatsuhito TakeuchiTakayoshi Honda
    • Koji OhnishiKatsuhito TakeuchiTakayoshi Honda
    • G06F15/78F02D41/26F02P5/15F02P15/00G06F9/00
    • F02D41/266F02P15/008F02P5/1518Y02T10/46
    • A control system adaptable for use in controlling internal combustion engines has a microcomputer and a hardware circuit reconfigurable in internal logic circuitry in such a manner that the setting of configuration is completed before the microcomputer is rendered operative upon application of a power supply voltage. The microcomputer is assembled in a 4-V guarantee circuit block with its operating guarantee power supply voltage of 4 volts. A 3-V guarantee block includes a random logic circuit and an EEPROM for storage of circuit configuration set data. The 3-V guarantee block also includes a first power-on reset circuit for providing respective sections with a reset-release command signal when an applied power supply voltage potentially rises at 3 volts, and a second power-on reset circuit for forcing the random logic circuit in the reset state until completion of the reconfiguration of the hardware circuit.
    • 适于用于控制内燃机的控制系统具有可在内部逻辑电路中重新配置的微计算机和硬件电路,使得在施加电源电压之前使微型计算机工作之前完成配置的设置。 微型计算机组装在4V保证电路块中,其工作保证电源电压为4伏。 3V保证块包括随机逻辑电路和用于存储电路配置集数据的EEPROM。 3V保证块还包括第一上电复位电路,用于在所施加的电源电压潜在地以3伏升高时为相应部分提供复位释放指令信号;以及第二上电复位电路,用于迫使随机 逻辑电路处于复位状态,直到完成硬件电路的重新配置。