參數(shù)資料
型號(hào): DS1557P-70
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 13/17頁(yè)
文件大小: 0K
描述: IC RTC RAM Y2K 5V 70NS 34PCM
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 40
類(lèi)型: 時(shí)鐘/日歷
特點(diǎn): 警報(bào)器,閏年,NVSRAM,監(jiān)視計(jì)時(shí)器,Y2K
存儲(chǔ)容量: 512KB
時(shí)間格式: HH:MM:SS(24 小時(shí))
數(shù)據(jù)格式: YY-MM-DD-dd
接口: 并聯(lián)
電源電壓: 4.5 V ~ 5.5 V
電壓 - 電源,電池: 3V
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 34-PowerCap? 模塊
供應(yīng)商設(shè)備封裝: 34-PowerCap 模塊
包裝: 管件
DS1557 4Meg, Nonvolatile, Y2K-Compliant Timekeeping RAM
5 of 17
CLOCK OPERATIONS
Table 2 and the following paragraphs describe the operation of RTC, alarm, and watchdog functions.
Table 2. Register Map
DATA
ADDRESS
B7
B6
B5
B4
B3
B2
B1
B0
FUNCTION/RANGE
7FFFFh
10 Year
Year
00-99
7FFFEh
X
10
Month
01-12
7FFFDh
X
10 Date
Date
01-31
7FFFCh
X
FT
X
Day
01-07
7FFFBh
X
10 Hour
Hour
00-23
7FFFAh
X
10 Minutes
Minutes
00-59
7FFF9h
OSC
10 Seconds
Seconds
00-59
7FFF8h
W
R
10 Century
Century
Control
00-39
7FFF7h
WDS
BMB4
BMB3
BMB2
BMB1
BMB0
RB1
RB0
Watchdog
7FFF6h
AE
Y
Abe
Y
Interrupts
7FFF5h
AM4
Y
10 Date
Date
Alarm Date
01-31
7FFF4h
AM3
Y
10 Hours
Hours
Alarm Hours
00-23
7FFF3h
AM2
10 Minutes
Minutes
Alarm Minutes
00-59
7FFF2h
AM1
10 Seconds
Seconds
Alarm Seconds
00-59
7FFF1h
Y
Unused
7FFF0h
WF
AF
0
BLF
0
Flags
X = Unused, Read/Writeable Under Write and Read Bit Control
AE = Alarm Flag Enable
Y = Unused, Read/Writeable Without Write and Read Bit Control
FT = Frequency Test Bit
OSC = Oscillator Start/Stop Bit
ABE = Alarm in Battery-BackUp Mode Enable
W = Write Bit
AM1 to AM4 = Alarm Mask Bits
R = Read Bit
WF = Watchdog Flag
WDS = Watchdog Steering Bit
AF = Alarm Flag
BMB0 to BMB4 = Watchdog Multiplier Bits
0 = 0 (Read Only)
RB0 to RB1 = Watchdog Resolution Bits
BLF = Battery Low Flag
相關(guān)PDF資料
PDF描述
CS3106A-10SL-53S CONN PLUG 2POS STRAIGHT W/SCKT
VI-BNJ-IU-F2 CONVERTER MOD DC/DC 36V 200W
DS1557WP-120 IC RTC RAM Y2K 3.3V 120NS 34PCM
VI-BN3-MY-F1 CONVERTER MOD DC/DC 24V 50W
MCP4252-503E/UN IC RHEOSTAT 50K 2CH 10MSOP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1557P-70+ 功能描述:實(shí)時(shí)時(shí)鐘 4M NV RAM Timekeeper 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
DS1557P-70IND 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
DS1557P-70IND+ 功能描述:實(shí)時(shí)時(shí)鐘 4M NV RAM Timekeeper 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
DS1557WP-120 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
DS1557WP-120+ 功能描述:實(shí)時(shí)時(shí)鐘 4M NV RAM Timekeeper 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