參數(shù)資料
型號(hào)： DS1672S-33
英文描述： Low Voltage Serial Timekeeping Chip
中文描述： 低電壓串行時(shí)鐘芯片
文件頁數(shù)： 2/13頁
文件大小： 104K
代理商： DS1672S-33
DS1672
2 of 13
DS1672 BLOCK DIAGRAM
Figure 1
ADDRESS MAP
The counter is accessed by reading or writing the first 4 bytes of the DS1672 (00h - 03h). The control
register and trickle charger are accessed by reading or writing the appropriate register bytes as illustrated
in Figure 2. If the master continues to send or request more data after the address pointer has reached
05h, the address pointer will wrap around to location 00h.
DS1672 REGISTERS
Figure 2
Address
B7
00h
B6
B5
B4
B3
B2
B1
B0
Function
Counter
Byte 1
Counter
Byte 2
Counter
Byte 3
Counter
Byte 4
Control
Trickle
Charger
01h
02h
03h
04h
05h
EOSC
TCS
TCS
TCS
TCS
DS
DS
RS
RS
DATA RETENTION MODE
The device is fully accessible and data can be written and ready only when V
CC
is greater than V
PF
.
However, when V
CC
falls below V
PF
, (point at which write protection occurs) the internal clock registers
are blocked from any access. If V
PF
is less than V
BACKUP
, the device power is switched from V
CC
to
V
BACKUP
when V
CC
drops below V
PF
. If V
PF
is greater than V
BACKUP
, the device power is switched from
V
CC
to V
BACKUP
when V
CC
drops below V
BACKUP
. The registers are maintained from the V
BACKUP
source
until V
CC
is returned to nominal levels.
32-BIT
COUNTER
(4 BYTES)
SERIAL BUS
INTERFACE
OSCILLATOR
AND DIVIDER
POWER
CONTROL
ADDRESS
REGISTER
CONTROL
LOGIC
V
CC
V
BACKUP
GND
SCL
SDA
CONTROL
TRICKLE CHARGER
X1
X2
RST
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DS1682 Total Elapsed Time Recorder with Alarm
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1672S-33/T&R 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 8SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC TIMEKEEPER 3.3V 32-BIT 8-SOIC 制造商:Maxim Integrated Products 功能描述:Real Time Clock I2C 32-Bit Binary Counter RTC
DS1672S-33/T&R 功能描述:實(shí)時(shí)時(shí)鐘 I2C 32-Bit Binary Counter RTC 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
DS1672S-33/TR 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:I2C 32-Bit Binary Counter RTC
DS1672S-33+ 功能描述:實(shí)時(shí)時(shí)鐘 I2C 32-Bit Binary Counter RTC 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
DS1672S-33+T&R 制造商:Maxim Integrated Products 功能描述:32 BIT COUNTER SOIC 3.3V TRL LFREE 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 8SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 8SOIC - Cut TR (SOS) 制造商:Maxim Integrated Products 功能描述:Maxim Integrated DS1672S-33+T&R Real Time Clocks (RTC) 制造商:Maxim Integrated Products 功能描述:IC TIMEKEEPER 3.3V 32-BIT 8-SOIC 制造商:Maxim Integrated Products 功能描述:Real Time Clock I2C 32-Bit Binary Counter RTC
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