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M24LR04E-R データシート(PDF) 30 Page - STMicroelectronics

部品番号 M24LR04E-R
部品情報  4-Kbit EEPROM with password protection, dual interface & energy harvesting: 400 kHz I²C bus & ISO 15693 RF protocol at 13.56 MHz
PDF  142 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24LR04E-R データシート(HTML) 30 Page - STMicroelectronics

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Doc ID 022208 Rev 5
The next byte stores the Configuration byte, at I²C location 2320. This Control register is
used to store the three energy harvesting configuration bits and the RF WIP/BUSY
configuration bit.
The next two bytes are used to store the AFI, at I2C location 2322, and the DSFID, at I2C
location 2323. These two values are used during the RF inventory sequence. They are read-
only in the I2C mode.
The next eight bytes, starting from location 2324, store the 64-bit UID programmed by ST on
the production line. Bytes at I2C locations 2332 to 2335 store the IC Ref and the Mem_Size
data used by the RF Get_System_Info command. The UID, Mem_Size and IC ref values are
read-only data.
Table 17.
System parameter sector
I2C byte address
Bits [31:24]
Bits [23:16]
Bits [15:8]
Bits [7:0]
E2 = 1
2304
I2C password (1)
1.
Delivery state: I2C password= 0000 0000h, RF password = 0000 0000h, Configuration byte = F4h
E2 = 1
2308
RF password 1(1)
E2 = 1
2312
RF password 2(1)
E2 = 1
2316
RF password 3 (1)
E2 = 1
2320
DSFID (FFh)
AFI (00h)
ST reserved
Configuration
byte (F4h)
E2 = 1
2324
UID
UID
UID
UID
E2 = 1
2328
UID (E0h)
UID (02h)
UID
UID
E2 = 1
2332
RFU
(FFh)
Mem_Size
(03 7F)
IC Ref (5A)



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