參數(shù)資料
型號: S-35399A03-J8T2U
元件分類: 時鐘/數(shù)據(jù)恢復及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO8
封裝: HALOGEN FREE AND LEAD FREE, SOP-8
文件頁數(shù): 7/53頁
文件大?。?/td> 472K
代理商: S-35399A03-J8T2U
2-WIRE REAL-TIME CLOCK
Rev.2.0_00
S-35399A03
Seiko Instruments Inc.
15
(2) Output of user-set frequency
The INT1 and INT2 registers are 1-byte data registers to set up the output frequency. Setting each bit B7 to B3 in the
register to “1”, the frequency which corresponds to the bit is output in the AND-form. SC2 to SC4 in the INT1 register,
and SC5 to SC7 in the INT2 register are 3-bit SRAM type registers that can be freely set by users.
B7
R/W
8 Hz
B6
B5
B4
B3
B2
B1
B0
SC2
16 Hz
4 Hz
R/W
SC3
SC4
2 Hz
1 Hz
R/W: Read/Write
Figure 13 INT1 Register (Data register for output frequency)
B7
R/W
8 Hz
B6
B5
B4
B3
B2
B1
B0
SC5
16 Hz
4 Hz
R/W
SC6
SC7
2 Hz
1 Hz
R/W: Read/Write
Figure 14 INT2 Register (Data register for output frequency)
Example:
B7 to B3 = 50h
16 Hz
8 Hz
4 Hz
2 Hz
1 Hz
INT1 pin or
INT2 pin output
Status register 2
Set to INT1FE or INT2FE = 1
Figure 15 Example of output from INT1 register (Data register for output frequency)
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