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CDP68HC68T1E Datasheet(PDF) 6 Page - Intersil Corporation |
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CDP68HC68T1E Datasheet(HTML) 6 Page - Intersil Corporation |
6 / 24 page 6 FN1547.7 March 17, 2006 SECONDS MINUTES HOURS DAY OF WEEK DATE MONTH YEARS NOT USED SEC ALARM MIN ALARM HRS ALARM NOT USED NOT USED NOT USED NOT USED NOT USED STATUS REGISTER CONTROL REGISTER INTERRUPT CONTROL REGISTER 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 $20 $21 $22 $23 $24 $25 $26 $27 $28 $29 $2A $2B $2C $2D $2E $2F $30 $31 $32 CLOCK/CALENDAR 13 BYTES UNUSED TEST MODE 32 RAM LOCATIONS $00 $1F $20 $32 $33 $3F $55 85 63 51 50 32 31 0 R = READABLE W = WRITABLE R, W R, W R, W R, W R, W R, W R, W W W W R R, W R, W FIGURE 2. ADDRESS MAP TABLE 1. CLOCK/CALENDAR AND ALARM DATA MODES ADDRESS LOCATION (H) FUNCTION DECIMAL RANGE BCD DATA RANGE (NOTE 4) BCD DATE EXAMPLE 20 Seconds 0-59 00-59 18 21 Minutes 0-59 00-59 49 22 Hours 12 Hour Mode (Note 5) 1-12 81-92 (AM) A1-B2 (PM) A3 Hours 24 Hour Mode 0-23 00-23 15 23 Day of the Week (Sunday = 1) 1-7 01-07 03 24 Day of the Month (Date) 1-31 01-31 29 25 Month Jan = 1, Dec = 12 1-12 01-12 10 26 Years 0-99 00-99 85 28 Alarm Seconds 0-59 00-59 18 29 Alarm Minutes 0-59 00-59 49 2A Alarm Hours (Note 6) 12 Hour Mode 1-12 01-12 (AM) 21-32 (PM) 23 Alarm Hours 24 Hour Mode 0-23 00-23 15 NOTES: 4. Example: 3:49:18, Tuesday. Oct. 29,1985. 5. Most significant Bit, D7, is “0” for 24 hours, and “1” for 12 hour mode. Data Bit D5 is “1” for P.M. and ‘0” for A.M. in 12 hour mode. 6. Alarm hours. Data Bit D5 is “1” for P.M. and “0” for A.M. in 12 hour mode. Data Bits D7 and D6 are DON’T CARE. |
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