參數(shù)資料
型號(hào)： DS1673
英文描述： Portable System Controller
文件頁(yè)數(shù)： 1/20頁(yè)
文件大小： 216K
代理商： DS1673
1 of 20
050200
FEATURES
Provides Real Time Clock:
–
Counts seconds, minutes, hours, date of
the month, month, day of the week, and
year with leap year compensation valid up
to 2100
–
Power control circuitry supports system
power on from day/time alarm
Microprocessor monitor:
–
Halts microprocessor during power-fail
–
Automatically restarts microprocessor
after power failure
–
Monitors pushbutton for external override
–
Halts and resets an out of control
microprocessor
NV RAM control:
–
Automatic battery backup and write
protection to external SRAM
3-channel, 8-bit analog-to-digital converter
Simple 3-wire interface
+3.0 or +5.0V operation
PIN ASSIGNMENT
ORDERING INFORMATION
DS1673E - X
DS1673S - X
20-Pin TSSOP
20-Pin SOIC
3 +3V operation
5 +5V operation
DESCRIPTION
The Portable System Controller is a circuit which incorporates many of the functions necessary for low
power portable products integrated into one chip. The DS1673 provides a Real Time Clock, NV RAM
controller, microprocessor monitor, and a 3-channel, 8-bit analog-to-digital converter. Communication
with the DS1673 is established through a simple 3-wire interface.
The Real Time Clock (RTC) provides seconds, minutes, hours, day, date, month, and year information
with leap year compensation. The RTC also provides an alarm interrupt. This interrupt works when the
DS1673 is powered by the system power supply or when in battery backup operation so the alarm can be
used to wake up a system that is powered down.
DS1673
Portable System Controller
www.dalsemi.com
V
BAT
V
CCO
SCLK
I/O
CS
CEI
CEOL
CEOH
INT
GND
20-Pin TSSOP
20-Pin SOIC
ST
V
CC
X1
X2
AIN0
AIN1
AIN2
RST
BLE
BHE
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1673-3 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Portable System Controller
DS1673-5 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Portable System Controller
DS1673E-3 功能描述:實(shí)時(shí)時(shí)鐘 Portable System Controller 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
DS1673E-3/T&R 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC CTRLR SYSTEM PORT 3V 20-TSSOP
DS1673E-3/T&R 功能描述:實(shí)時(shí)時(shí)鐘 Portable System Controller 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
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