- Shenzhen Smart-way Technology Co.,Ltd
-
Shenzhen, Guangdong, China
- Main products: Ibutton, iBUTTON probe, ibutton reader, tm1990/ds1990, rw1990, tm1971, rfid keyfob, rfid keychain
64bit Rewritable RW1990 Ibutton Key
USD $0.14 - $0.25
/ Piece
10 Pieces(Min.Order)
- 200000 Piece / Pieces per Month
- SHENZHEN
- T/T Cash
- 3 days
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Product Details
| Brand Name | SMART-WAY | Place of Origin | China | |
| Model Number | RW1990 |
Product Description
DESCRIPTION:
CMOS microcircuit is essentially an electronic carrier of the unique 64-bit digital code. The code is stored in the internal nonvolatile memory. The data exchange is performed by the protocol 1-Wire, which requires one sole data pin and the common pin. The microcircuit supports the function of the protocol 1-Wire of ROM search, which makes it possible for several devices to operate on one bus. This protocol determines the alteration conditions of the bus status and the time intervals during synchronization by the synchropulses cuts of the control device. Data read-out and writing are performed by the junior significant bit forward.
TRANSACTION SEQUENCE Access sequence to RW-1990/2 via 1-Wire port is as follows: ? Initialization ? ROM function command ? Data read-out
Contact Us
- Shenzhen Smart-way Technology Co.,Ltd
- Contact nameJoe Chat Now
- AddressLonghua, Shenzhen, Guangdong
Product Categories
| Ibutton | Ibutton Reader | RFID |
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