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BQ4850YMA-85 Datasheet(PDF) 3 Page - Texas Instruments |
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BQ4850YMA-85 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 16 page Address Map The bq4850Y provides 8 bytes of clock and control status registers and 524,288 bytes of storage RAM. Figure 2 illustrates the address map for the bq4850Y. Table 1 is a map of the bq4850Y registers. 3 Address D7 D6 D5 D4 D3 D2 D1 D0 Range (h) Register 7FFFF 10 Years Year 00–99 Year 7FFFE X X X 10 Month Month 01–12 Month 7FFFD X X 10 Date Date 01–31 Date 7FFFC X FTE X X X Day 01–07 Days 7FFFB X X 10 Hours Hours 00–23 Hours 7FFFA X 10 Minutes Minutes 00–59 Minutes 7FFF9 OSC 10 Seconds Seconds 00–59 Seconds 7FFF8 W R S Calibration 00–31 Control Notes: X = Unused bits; can be written and read. Clock/Calendar data in 24-hour BCD format. OSC = 1 stops the clock oscillator. Table 1. bq4850Y Clock and Control Register Map Registers Control Status Clock and 8 Bytes RAM Storage Bytes 32,760 7FFFF 7FFF7 7FFF8 0000 7 6 5 4 3 2 1 0 7FFF8 7FFF9 7FFFA 7FFFC 7FFFD 7FFFE 7FFFF Control Seconds Minutes Hours Days Date Month Year MM-961 7FFFB Figure 2. Address Map Aug. 1996 bq4850Y |
Similar Part No. - BQ4850YMA-85 |
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Similar Description - BQ4850YMA-85 |
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