srt512 STMicroelectronics, srt512 Datasheet - Page 14

• Manufacturer Part Number: srt512
• Description: 13.56 Mhz Short-range Contactless Memory Chip With 512-bit Eeprom And Anticollision Functions
• Manufacturer: STMicroelectronics

Memory mapping
4
Table 3.
14/49
Block
Addr
UID0
UID1
255
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
MSB
b
31
Memory mapping
The SRT512 is organized as 16 blocks of 32 bits as shown in
accessible by the READ_BLOCK command. Depending on the write access, they can be
updated by the WRITE_BLOCK command. A WRITE_BLOCK updates all the 32 bits of the
block.
SRT512 memory mapping
OTP_Lock_Reg
32 bits binary counter
32 bits binary counter
64 bits UID Area
b
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
32 bits Block
16
b
1
15
b
ST Reserved
14
b
8
b
7
Fixed Chip_ID
(Option)
Table
LSB
3. All blocks are
b
0
System OTP bits
Description
Count down
EEPROM
EEPROM
Lockable
lockable
Counter
ROM
SRT512