ST92124JDV2TC 데이터 시트보기 (PDF) - STMicroelectronics

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ST92124JDV2TC

8/16-BIT SINGLE VOLTAGE FLASH MCU FAMILY WITH RAM, E³ ™ (EMULATED EEPROM), CAN 2.0B AND J1850 BLPD

STMicroelectronics 

ST92F124/F150/F250 - SINGLE VOLTAGE FLASH & E3 TM (EMULATED EEPROM)

Figure 35. Test /EPB Mode Protection

Test/EPB Mode

Unprotected

Good

Password

2nd

Bad Password

Test/EPB Mode

Protected

1st

Bad Password 3rd Bad Password

Good

PassWord

Test/EPB Mode

Protected

Good

Password

Bad Password

Test/EPB Mode

Unprotected

Good

Password

Bad Password

Figure 36. Access Mode Protection

Access Mode

Unprotected

Reset the Access Protection bit

by a Set Protection Operation executed from RAM

Access Mode

Protected

Set the

Access Protection Bit

by an OR operation executed

from the Memory

to unprotect

Access Mode

Temporarily

Unprotected

SW/HW

Reset

NVAPR

Read

Access

Reset the

Access Protection bit

by a Set Protection

Operation

Executed from RAM

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