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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS5535 датащи(PDF) 430 Page - National Semiconductor (TI) |
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CS5535 датащи(HTML) 430 Page - National Semiconductor (TI) |
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430 / 555 page  www.national.com 430 Revision 0.8 RTC Register Descriptions (Continued) 5.15.2.15 Date of Month Alarm (RTC_DOMA) 5.15.2.16 Month Alarm (RTC_MONA) RTC_CRD Bit Descriptions Bit Name Description 7VRT (RO) Valid RAM and Time (Read Only). This bit senses the voltage that feeds the RTC (VSB or VBAT) and indicates whether or not it was too low since the last time this bit was read. If it was too low, the RTC contents (time/calendar registers and CMOS RAM) is not valid. It is clear on VPP power-up. 0: The voltage that feeds the RTC was too low. 1: RTC contents (time/calendar registers and CMOS RAM) valid. 6:0 RSVD (RO) Reserved (Read Only). Reads as 0. I/O Address Programmable Type R/W Reset Value 00h RTC_DOMA Register Map 76543 210 DOMA_DATA RTC_DOMA Bit Descriptions Bit Name Description 7:0 DOMA_DATA Date of Month Alarm Data. Values may be 01 to 31 in BCD format or 01 to 1F in binary format. When bits 7 and 6 are both set to one, an unconditional match is selected (default). Reset by VPP power-up. I/O Address Programmable Type R/W Reset Value 00h RTC_MONA Register Map 76543 210 MONA_DATA RTC_MONA Bit Descriptions Bit Name Description 7:0 MONA_DATA Month Alarm Data. Values may be 01 to 12 in BCD format or 01 to 0C in binary format. When bits 7 and 6 are both set to one, an unconditional match is selected (default). Reset by VPP power-up. |
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