S-35192A Datasheet, PDF (14/41 Pages) Seiko Instruments Inc – 3-WIRE REAL-TIME CLOCK

3-WIRE REAL-TIME CLOCK
S-35192A
Rev.1.2_00
3. Status register 2
Status register 2 is a 1-byte register that is used to display and set various modes. The bit configuration is shown below.
B7
B6
B5
B4
B3
B2
B1
B0
INT1FE INT1ME INT1AE SC2
SC3
SC4 INT2AE TEST
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W: Read/Write
Figure 14 Status Register 2
B0 : TEST
This is a test flag for SII. Be sure to set this flag to “0” in use. If this flag is set to “1”, be sure to initialize to set “0”.
B1 : INT2AE
To use the alarm 2 function, access the INT register 2 after setting this flag enable. Disable when this flag is in “0”,
enable when this flag is in “1”.
B2 : SC4, B3 : SC3, B4 : SC2
These flags are SRAM type registers, they are 3 bits as a whole, can be freely set by users.
B5 : INT1AE, B6 : INT1ME, B7 : INT1FE
To use the alarm 1 function, access the INT register 1 after setting INTA1AE = “1”, INT1ME = “0”, and INT1FE = “0”.
In other settings than this, these flags are disable for setting the alarm time (free registers).
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Seiko Instruments Inc.