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| 型號： | S-35190A-T8T1 |
| 元件分類： | 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取 |
| 英文描述： | REAL TIME CLOCK, PDSO8 |
| 封裝： | TSSOP-8 |
| 文件頁數(shù)： | 4/47頁 |
| 文件大小： | 527K |
| 代理商： | S-35190A-T8T1 |
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3-WIRE REAL-TIME CLOCK
S-35190A
Rev.1.2_00
Seiko Instruments Inc.
12
3. Status Register_2
Status register_2 is an 8-bit register that is used to display and set various modes. The bit configuration is
shown below.
B7
LSB
TEST
INT2AE
R/W
SC
MSB
B6
B5
B4
B3
B2
B1
B0
INT1AE
32kE
SC
R/W
R/W: Read/write-enabled
R/W
INT1ME
INT1FE
Figure 12 Status Register_2
B7: TEST
The TEST flag is a bit for testing the IC. If the TEST flag is set to “1”, the IC is
switched to the TEST mode. If this flag is “1”, it is necessary to initialize it to “0” by
setting the reset flag of status register_1 to “1”.
B6: INT2AE This flag is used to choose the state of INT pin output with alarm interrupt output set.
When using the alarm 2 function, enable this flag and access INT1 register_2.
0: Alarm interrupt output is disabled.
1: Alarm interrupt output is enabled.
Caution Note that an alarm 2 interrupt is output from the INT pin regardless of
the settings of flags B3 to B1.
B5, B4: SC
These flags configure a 2-bit SRAM type register that can be freely set by users. They
are read and written within the operating voltage range (1.3 to 5.5 V).
B3: 32kE, B2: INT1AE, B1: INT1ME, B0: INT1FE
These flags are used to select the output mode from the INT pin. Mode selections are
shown below. When using the alarm 1 function, after setting the alarm interrupt mode,
access INT1 register_1.
Table 10 Interrupt Modes
32kE
INT1AE
INT1ME
INT1FE
INT Pin Output Mode
0
No interrupt
1
*1
32 kHz output
0
*1
0
1
Selected frequency steady interrupt
0
*1
1
0
Per-minute edge interrupt
0
1
Per-minute steady interrupt 1 (50% duty)
0
1
0
Alarm interrupt
0
1
Per-minute steady interrupt 2
*1.
Don’t care (Both of 0 and 1 are acceptable).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-35190A-T8T1G | 功能描述:實(shí)時(shí)時(shí)鐘 3-Wire 1.3-5.5V RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時(shí)間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| S-35192A | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:3-WIRE REAL-TIME CLOCK |
| S-35192A-I8T1G | 制造商:Seiko Instruments Inc (SII) 功能描述:3WIRE REAL TIME CLCK |
| S-35199A01 | 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:3-WIRE REAL-TIME CLOCK |
| S-35199A01-HRT1 | 制造商:Seiko Instruments Inc (SII) 功能描述:3WIRE REAL TIME CLCK |
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