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參數資料
| 型號： | DS1985U |
| 英文描述： | UniqueWare iButton |
| 中文描述： | UniqueWare™ iButton® |
| 文件頁數： | 2/2頁 |
| 文件大小： | 24K |
| 代理商： | DS1985U |
DS1982/5/6U
2 of 2
ORDERING INFORMATION
Memory Size
1024 bits
(4 pages)
Family Code
89h
Package
F3 MicroCan
F5 MicroCan
Ordering Part Number
DS1982U–F3–pppp
DS1982U–F5–pppp
16K bits
(64 pages)
8Bh
F3 MicroCan
F5 MicroCan
DS1985U–F3–pppp
DS1985U–F5–pppp
64K bits
(256 pages)
8Fh
F3 MicroCan
F5 MicroCan
DS1986U–F3–pppp
DS1986U–F5–pppp
pppp stands for the Project ID assigned to each individual data pattern at the time of the first order.
Sample UniqueWare Data Structures
SAMPLE 1: ETHERNET NODE ADDRESS
Figure 1a
CRC16
Company ID Value
(unused)
MSB
LSB MSB
19 bytes
FFH
assigned by IEEE
high address
Extension ID Value
LSB MSB
3 bytes serialization
Project ID
MSB
4 bytes
constant
Length
LSB
LSB
2 bytes
3 bytes constant
1 byte
0AH
low address
PHYSICAL ADDRESS AND DATA MAPPING Figure 1b
Address
0C
0B
0A
09
Data
xx
xx
ch
cm
xx xx = CRC16, value depends on actual data
ch cm cl = high, medium and low byte of the IEEE assigned “Company ID”
hh mm ll = high, medium and low byte of the “Extension ID” or serialization
pp pp = Project ID assigned by Dallas Semiconductor
08
cl
07
hh
06
mm
05
ll
04
00
03
00
02
pp
01
pp
00
0A
SAMPLE 2: EUI–64 FireWire
TM
NODE ADDRESS
Figure 2a
CRC16
Company ID Value
(unused)
MSB
LSB MSB
17 bytes
FFH
assigned by IEEE
high address
Extension ID Value
LSB MSB
5 bytes serialization
Project ID
MSB
4 bytes
constant
Length
LSB
LSB
2 bytes
3 bytes constant
1 byte
0CH
low address
PHYSICAL ADDRESS AND DATA MAPPING
Figure 2b
Address
0E
0D
0C
0B
Data
xx
xx
ch
cm
xx xx = CRC16, value depends on actual data
ch cm cl = high, medium and low byte of the IEEE assigned “Company ID”
hh hm mm ml ll = high, medium and low byte of the “Extension ID” or serialization
pp pp = Project ID assigned by Dallas Semiconductor
0A
cl
09
hh
08
hm
07
mm
06
ml
05
ll
04
00
03
00
02
pp
01
pp
00
0C
FireWire
TM
is a trademark of Apple Computer, Inc.
相關PDF資料 |
PDF描述 |
|---|---|
| DS1986 | 64 kbit Add-Only iButton |
| DS1986-F3 | EPROM|256X32X8|BUTTON|METAL |
| DS1986F5 | EPROM|256X32X8|BUTTON|METAL |
| DS1986U | UniqueWare iButton |
| DS1982 | 1-kbit Add-Only iButton |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1985U-F5-117D+ | 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated |
| DS1986 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:64-kbits Add-Only iButton⑩ |
| DS1986+F3 | 制造商:Maxim Integrated Products 功能描述:ADD-O IBTN 64KB, F3 (GENERIC) LFREE - Rail/Tube |
| DS19860-F3-W | 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated |
| DS1986-F3 | 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated |
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