Datasheet

MAX1407/MAX1408/MAX1409/MAX1414
Low-Power, 16-Bit Multichannel DAS with
Internal Reference,10-Bit DACs, and RTC
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10MIN[2:0]: These are the 10 minute bits (0–50 min-
utes) of the RTC.
MIN[3:0]: These are the minute bits (0–9 minutes) of
the RTC.
12/24: 12/24-hour mode bit. A logic 1 selects 12-hour
mode while a logic 0 selects 24-hour mode. This bit
must be the same as the 12-/24-bit of the AL_Hour reg-
ister for correct operation.
AP: AM/PM-bit. In 12-hour mode, a logic 1 indicates
PM and a logic 0 indicates AM. In 24 hour mode, this
bit is the second 10-hour bit (20 hours).
10HR: This is the 10-hour bit (0–10 hours) of the RTC.
HR[3:0]: These are the hour bits (0–9 hours) of the RTC.
RTC_MIN REGISTER (10001)
FIRST BIT (MSB) (LSB)
NAME — 10MIN2 10MIN1 10MIN0 MIN3 MIN2 MIN1 MIN0
DEFAULT 0 0 0 0 0 0 0 0
FIRST BIT (MSB) (LSB)
NAME — 12/24 AP 10HR HR3 HR2 HR1 HR0
DEFAULT 0 0 000000
RTC_HOUR REGISTER (10010)
10DATE[1:0]: These are the 10 day bits (0–30 days) of
the RTC.
DATE[3:0]: These are the day bits (0–9 days) of the RTC.
FIRST BIT (MSB) (LSB)
NAME ——10DATE1 10DATE0 DATE3 DATE2 DATE1 DATE0
DEFAULT 0 0 0 0 0 0 0 1
10MO: This is the 10 month bit (0–10 months) of the RTC.
FIRST BIT (MSB) (LSB)
NAME ———10MO MO3 MO2 MO1 MO0
DEFAULT 0 0 0 0 0 0 0 1
RTC_MONTH REGISTER (10100)
RTC_DATE REGISTER (10011)