參數(shù)資料
型號: DS17485SN-5+
廠商: Maxim Integrated Products
文件頁數(shù): 14/31頁
文件大小: 0K
描述: IC RTC 5V 4K NV RAM 24-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 31
類型: 時(shí)鐘/日歷
特點(diǎn): 警報(bào)器,夏令時(shí),閏年,NVSRAM,方波輸出
存儲容量: 4KB
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: 4.5 V ~ 5.5 V
電壓 - 電源,電池: 2.5 V ~ 3.7 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 24-SOIC W
包裝: 管件
DS17285/DS17287/DS17485/DS17487/DS17885/DS17887
Real-Time Clocks
____________________________________________________________________
21
Table 5. Extended Bank Register Bank Definition
Note: Reserved bits can be written to any value, but always read back as zeros.
Bank 0
Bank 1
DV0 = 0
DV0 = 1
00h
0Dh
Timekeeping and Control
00h
0Dh
Timekeeping and Control
0Eh
3Fh
50 Bytes – User RAM
0Eh
3Fh
50 Bytes – User RAM
40h
Model Number Byte
41h
1st Byte Serial Number
42h
2nd Byte Serial Number
43h
3rd Byte Serial Number
44h
4th Byte Serial Number
45h
5th Byte Serial Number
46h
6th Byte Serial Number
47h
CRC Byte
48h
Century Byte
49h
Date Alarm
4Ah
Extended Control Register 4A
4Bh
Extended Control Register 4B
4Ch
Reserved
4Dh
Reserved
4Eh
RTC Address – 2
4Fh
RTC Address – 3
64 Bytes – User RAM
50h
Extended RAM Address LSB
51h
Extended RAM Address MSB
52h
Reserved
53h
Extended RAM Data Port
54h
Reserved
55h
Reserved
56h
Reserved
57h
Reserved
58h
Reserved
59h
Reserved
5Ah
Reserved
5Bh
Reserved
5Ch
Reserved
5Dh
Reserved
5Eh
RTC Write Counter
7Fh
5Fh
7Fh
Reserved
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