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HUF75617D3S

HUF75617D3S资料
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File Size : 116 KB Manufacturer:FAIRC Description:The RAMified Timekeeper has 14 registers, which are 8 bits wide that contain all of the timekeeping, alarm, and watchdog and control information. The clock, calendar, alarm, and watchdog registers are memory locations, which contain external (user-accessible) copies of the timekeeping data. The external copies are independent of internal functions except that they are updated periodically by the simultaneous transfer of the incremented internal copy (see Figure 1). The Command Register bits are affected by both internal and external functions. This register will be discussed later. The 8 or 32 kbytes of RAM and the 14 external timekeeping registers are accessed from the external address and data bus. Registers 0, 1, 2, 4, 6, 8, 9, and A contain time of day and date information (see Figure 2). Time of day information is stored in BCD. Registers 3, 5, and 7 contain the Time of Day Alarm information. Time of Day Alarm information is stored in BCD. Register B is the Command Register and information in this register is binary. Registers C and D are the Watchdog Alarm Registers and information, which is stored in these two registers, is in BCD. Registers E through 1FFF or 7FFF are user bytes and can be used to maintain data at the users discretion.

	1PCS	100PCS	1K	10K
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型号：HUF75617D3S 厂家：FAIRC 封装：2009+ 批号：200000 数量：TO-252(DPAK) 说明：全新原装现货特价供应欢迎来电查询


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