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參數(shù)資料
| 型號(hào)： | DS1689S-TRL |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 36/36頁(yè) |
| 文件大小： | 0K |
| 描述： | IC RTC SER W/NV RAM CTRL 28-SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 時(shí)鐘/日歷 |
| 特點(diǎn)： | NVSRAM |
| 存儲(chǔ)容量： | 114B |
| 時(shí)間格式： | HH:MM:SS（12/24 小時(shí)） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | 并聯(lián) |
| 電源電壓： | 2.7 V ~ 3.3 V，4.5 V ~ 5.5 V |
| 電壓 - 電源，電池： | 2.5 V ~ 3.7 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SOIC |
| 包裝： | 管件 |
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DS1689/DS1693
9 of 36
minute with “don’t care” codes in the hours and minute alarm bytes. The “don’t care” codes in all three
alarm bytes create an interrupt every second. The three alarm bytes may be used in conjunction with the
date alarm as described in the Wakeup/Kickstart section. The century counter will be discussed later in
this text.
Table 1. Time, Calendar, and Alarm Data Modes
RANGE
ADDRESS
LOCATION
FUNCTION
DECIMAL
RANGE
BINARY DATA
MODE
BCD DATA
MODE
00H
Seconds
0-59
00-3B
00-59
01H
Seconds Alarm
0-59
00-3B
00-59
02H
Minutes
0-59
00-3B
00-59
03H
Minutes Alarm
0-59
00-3B
00-59
Hours 12-hr Mode
1-12
01-0C AM, 81-8C PM
01-12 AM, 81-92 PM
04H
Hours 24-hr Mode
0-23
00-17
00-23
Hours Alarm 12-hr
Mode
1-12
01-0C AM, 81-8C PM
01-12 AM, 81-92 PM
05H
Hours Alarm 24-hr
Mode
0-23
00-17
00-23
06H
Day of Week
Sunday=1
1-7
01-07
07H
Date of Month
1-31
01-1F
01-31
08H
Month
1-12
01-0C
01-12
09H
Year
0-99
00-63
00-99
BANK1, 48H
Century
0-99
00-63
00-99
BANK 1, 49H
Date Alarm
1-31
01-1F
01-31
CONTROL REGISTERS
The four control registers; A, B, C, and D reside in both bank 0 and bank 1. These registers are accessible
at all times, even during the update cycle.
NONVOLATILE RAM—RTC
The 114 general-purpose nonvolatile RAM bytes are not dedicated to any special function within the
DS1689/DS1693. They can be used by the application program as nonvolatile memory and are fully
available during the update cycle. This memory is directly accessible when bank 0 is selected.
INTERRUPT CONTROL
The DS1689/DS1693 include six separate, fully automatic sources of interrupt for a processor:
1. Alarm interrupt
2. Periodic interrupt
3. Update-ended interrupt
4. Wake-up interrupt
5. Kickstart interrupt
6. RAM clear interrupt
The conditions, which generate each of these independent interrupt conditions, are described in greater
detail elsewhere in this data sheet. This section describes the overall control of the interrupts.
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| DS1691 | 功能描述:實(shí)時(shí)時(shí)鐘 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 |
| DS1691 WAF | 制造商:Texas Instruments 功能描述: |
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| DS1691A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:(RS-422/RS-423) Line Drivers with TRI-STATE Outputs |
| DS1691AJ/883 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:(RS-422/RS-423) Line Drivers with TRI-STATE Outputs |
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