s-35399a03 Seiko Instruments Inc., s-35399a03 Datasheet - Page 11

• Manufacturer Part Number: s-35399a03
• Description: 2-wire Real-time Clock
• Manufacturer: Seiko Instruments Inc.

Rev.1.0
Year data (00 to 99): Y1, Y2, Y4, Y8, Y10, Y20, Y40, Y80
Month data (01 to 12): M1, M2, M4, M8, M10
Day data (01 to 31): D1, D2, D4, D8, D10, D20
Day of the week data (00 to 06): W1, W2, W4
Hour data (00 to 23 or 00 to 11): H1, H2, H4, H8, H10, H20, AM / PM
Minute data (00 to 59): m1, m2, m4, m8, m10, m20, m40
Second data (00 to 59): s1, s2, s4, s8, s10, s20, s40
_00
Sets the lower two digits in the Western calendar year (00 to 99) and links together with the auto calendar
function until 2099.
Example: 2053 (Y1, Y2, Y4, Y8, Y10, Y20, Y40, Y80) = (1, 1, 0, 0, 1, 0, 1, 0)
Example: December (M1, M2, M4, M8, M10, 0, 0, 0) = (0, 1, 0, 0, 1, 0 ,0 ,0)
The count value is automatically changed by the auto calendar function.
1 to 31: Jan., Mar., May, July, Aug., Oct., Dec., 1 to 30: April, June, Sep., Nov.
1 to 29: Feb. (leap year), 1 to 28: Feb. (non-leap year)
Example: 29 (D1, D2, D4, D8, D10, D20, 0, 0) = (1, 0, 0, 1, 0, 1, 0, 0)
A septenary up counter. Day of the week is counted in the order of 00, 01, 02, …, 06, and 00. Set up day of the
week and the count value.
In a 12-hour expression, write 0; AM, 1; PM in the
0 or 1. 0 is read when the hour data is from 00 to 11, and 1 is read when from 12 to 23.
Example (12-hour expression): 12 p.m. (H1, H2, H4, H8, H10, H20, AM/PM, 0) = (0, 1, 0, 0, 1, 0, 1, 0)
Example (24-hour expression): 22
Example: 32 minutes (m1, m2, m4, m8, m10, m20, m40, 0) = (0, 1, 0, 0, 1, 1, 0, 0)
Example: 55 minutes (m1, m2, m4, m8, m10, m20, m40, 0) = (1, 0, 1, 0, 1, 0, 1, 0)
Example: 19 seconds (s1, s2, s4, s8, s10, s20, s40, 0) = (1, 0, 0, 1, 1, 0, 0, 0)
Seiko Instruments Inc.
(H1, H2, H4, H8, H10, H20, AM/PM, 0) = (0, 1, 0, 0, 0, 1, 1, 0)
AM
/
PM
bit. In a 24-hour expression, users can Write either
2-WIRE REAL-TIME CLOCK
S-35399A03
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