Memory mapping

SRI512

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Memory mapping

The SRI512 is organized as 16 blocks of 32 bits as shown in Table 2. 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 updates all the 32 bits of the

block.

Table 2.

SRI512 memory mapping

Block

Addr

Msb

32 bits Block

Lsb

Description

0

32 bits Boolean Area (option: User Area)

Resettable OTP

bits (option:

lockable

EEPROM)

1

32 bits Boolean Area (option: User Area)

2

32 bits Boolean Area (option: User Area)

3

32 bits Boolean Area (option: User Area)

4

32 bits Boolean Area (option: User Area)

5

32 bits binary counter

Count down

Counter

6

32 bits binary counter

7User Area

Lockable

EEPROM

8User Area

9User Area

10

User Area

11

User Area

12

User Area

13

User Area

14

User Area

15

User Area

255

OTP_Lock_Reg

OTP_

Config

ST Reserved

Fixed Chip_ID

(Option)

System OTP bits

UID0

64 bits UID Area

ROM

UID1