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參數(shù)資料
| 型號(hào)： | S-35L32AEFSG |
| 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, PDSO10 |
| 封裝： | 0.50 MM PITCH, PLASTIC, SSOP-10 |
| 文件頁數(shù)： | 11/37頁 |
| 文件大小： | 502K |
| 代理商： | S-35L32AEFSG |
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REAL-TIME CLOCK
Rev.1.3_00
S-35L32A
Seiko Instruments Inc.
19
32 kHz
Example
If f15 to f0
= 000A H
16 kHz
8 kHz
4 kHz
2 kHz
Set to selected frequency steady
interrupt output
INT1 or INT2
terminal output
Figure 17 Clock output
2.4 Test flag
The test flag is a 1-bit register to which assigned MSB of the second data of the real-time data
register. If a transferred data is considered as the test mode starting command due to the receiving of
the test mode starting command or noises, "1" is set. When "1" is set, you must send the test mode
ending command or reset command.
3. Initialization
Note that S-35L32A has different initializing operations, depending on states.
3.1 When power is turned on
When power is turned on, the status register is set to "82h" and the INT1 register to "8000h" by the
power-on detecting circuit. In other words, "1" is set at the bit 7 (POWER flag) of the status register and
the clock of 1 Hz is output from the INT1 pin. This is provided to adjust oscillating frequencies. In
normal use, the reset command must be sent when power is turned on.
Real-time data register : 00 (year), 01 (month), 01 (day), 0 (day of week), 00 (hour), 00
(minute), 00 (second) (year flag: "1")
Status register
: "82h"
INT1 register
: "8000h"
INT2 register
: "0000h"
3.2 When the power voltage detecting circuits operates
The power voltage detecting circuit included in S-35L32A operates and sets "1" at the bit 7 (POWER
flag) of the internal status register when power is turned on or power voltage is reduced. Once "1" is set,
it is held even after the power voltage gets equal to or higher than the detection voltage, i.e., power
voltage detector threshold. When the flag has "1", you must send the reset command from CPU and
initialize the flag. At this point, other registers do not change, however, if the POWER flag has "0" during
the power-on reset of CPU (S-35L32A does not reach any indefinite area during backup), you do not
have to send the reset command.
DISCONTINUED
PRODUCT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-35L32AEFS-TB | 功能描述:實(shí)時(shí)時(shí)鐘 REAL TIME CLOCK 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(chǔ)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 |
| S35PF | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Silicon Power Rectifier |
| S35-RO | 功能描述:撥動(dòng)開關(guān) 3PDT ON-MOM 15A RoHS:否 制造商:C&K Components 觸點(diǎn)形式:DPDT 開關(guān)功能:ON - ON - ON 電流額定值: 電壓額定值 AC:20 V 電壓額定值 DC:20 V 功率額定值:0.4 VA 端接類型:V-Bracket 安裝風(fēng)格: 端子密封:Epoxy 觸點(diǎn)電鍍:Gold 照明:Not Illuminated |
| S35T | 制造商:Enhance Technology 功能描述:STORPACK, 3X5.25" HDDS - Bulk |
| S3-5V | 制造商:Panasonic Electric Works 功能描述: |
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