Datenblatt-Suchmaschine für elektronische Bauteile |
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90-0092 Datenblatt(PDF) 11 Page - Maxim Integrated Products |
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90-0092 Datenblatt(HTML) 11 Page - Maxim Integrated Products |
11 / 20 page DS1339 I 2C Serial Real-Time Clock 11 of 20 ADDRESS MAP Table 3 shows the address map for the DS1339 registers. During a multibyte access, when the address pointer reaches the end of the register space (10h), it wraps around to location 00h. On an I 2C START, STOP, or address pointer incrementing to location 00h, the current time is transferred to a second set of registers. The time information is read from these secondary registers, while the clock may continue to run. This eliminates the need to re-read the registers in case of an update of the main registers during a read. Table 3. Timekeeper Registers ADDRESS BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 FUNCTION RANGE 00h 0 10 Seconds Seconds Seconds 00–59 01h 0 10 Minutes Minutes Minutes 00–59 02h 0 12/ 24 AM/PM 10 Hour Hour Hours 1–12 +AM/PM 00–23 20 Hour 03h 0 0 0 0 0 Day Day 1–7 04h 0 0 10 Date Date Date 01–31 05h Century 0 0 10 Month Month Month/ Century 01–12 + Century 06h 10 Year Year Year 00–99 07h A1M1 10 Seconds Seconds Alarm 1 Seconds 00–59 08h A1M2 10 Minutes Minutes Alarm 1 Minutes 00–59 09h A1M3 12/ 24 AM/PM 10 Hour Hour Alarm 1 Hours 1–12 + AM/PM 00–23 20 Hour 0Ah A1M4 DY/DT 10 Date Day, Date Alarm 1 Day, Alarm 1 Date 1-7, 1-31 0Bh A2M2 10 Minutes Minutes Alarm 2 Minutes 00–59 0Ch A2M3 12/ 24 AM/PM 10 Hour Hour Alarm 2 Hours 1–12 + AM/PM 00–23 20 Hour 0Dh A2M4 DY/ DT 10 Date Day, Date Alarm 2 Day, Alarm 2 Date 1–7, 1–31 0Eh EOSC 0 BBSQI RS2 RS1 INTCN A2IE A1IE Control — 0Fh OSF 0 0 0 0 0 A2F A1F Status — 10h TCS3 TCS2 TCS1 TCS0 DS1 DS0 ROUT1 ROUT0 Trickle Charger — Note: Unless otherwise specified, the state of the registers are not defined when power is first applied or when VCC and VBACKUP falls below the VBACKUP(MIN). |
Ähnliche Teilenummer - 90-0092 |
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Ähnliche Beschreibung - 90-0092 |
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