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PC87570-ICC/VUL 数据表(PDF) 74 Page - National Semiconductor (TI) |
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PC87570-ICC/VUL 数据表(HTML) 74 Page - National Semiconductor (TI) |
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74 / 168 page ![]() Real-Time Clock (RTC) and Advanced Power Control (APC) 74 www.national.com 6.7 REGISTER BANKS Table 6-7. Bank 0 Register Memory Map Offset Register Format Value Type Function BCD Binary Power-On Reset 00h Seconds 00-59 00-3B R/W 01h Seconds Alarm 00-59 00-3B R/W 02h Minutes 00-59 00-3B R/W 03h Minutes Alarm 00-59 00-3B R/W 04h Hours 12H 01-12 (AM) 81-92 (PM) 24H 00-23 01-0C (AM) 81-8C (PM) 00-17 3 R/W 05h Hours Alarm 12H 01-12 (AM) 81-92 (PM) 24H 00-23 01-0C (AM) 81-8C (PM) 00-17 R/W 06h Day of Week 01-07 01-07 R/W Sunday = 1 07h Date of Month 01-31 01-1F R/W 08h Month 01-12 01-0C R/W 09h Year 00-99 00-63 R/W 0Ah CRA R/W Bit 7=Read 0Bh CRB R/W Bit 3=Read 0Ch CRC Read 0Dh CRD Read 0Eh- 3Fh General Purpose RAM R/W 40h- 7Fh General Purpose RAM R/W |
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