SRIX4K-A3S Ver la hoja de datos (PDF) - STMicroelectronics
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SRIX4K-A3S
STMicroelectronics
SRIX4K-A3S Datasheet PDF : 5 Pages
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SRIX4K
MEMORY MAPPING
The SRIX4K is organised as 128 blocks of 32 bits
as shown in Figure 3. All blocks are accessible by
the READ_BLOCK command. Depending on the
write access, they can be updated by the
WRITE_BLOCK command. A WRITE_BLOCK up-
dates all the 32 bits of the block.
Figure 3. SRIX4K Memory Mapping
Block
Addr
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
...
127
Msb
b31
b24 b23
32 bits Block
b16 b15
32 bits Boolean Area
32 bits Boolean Area
32 bits Boolean Area
32 bits Boolean Area
32 bits Boolean Area
32 bits binary counter
32 bits binary counter
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
b8 b7
Lsb
b0
Description
Resettable OTP bits
Count down
Counter
Lockable EEPROM
EEPROM
255
OTP_Lock_Reg
ST Reserved
Fixed Chip_ID
(Option)
System OTP bits
UID0
UID1
64 bits UID Area
ROM
3/5
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