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STM32G030F6 数据表(PDF) 13 Page - STMicroelectronics

部件名 STM32G030F6
功能描述  Arm® Cortex®-M0 32-bit MCU, up to 64 KB Flash, 8 KB RAM, 2x USART, timers, ADC, comm. I/Fs, 2.0-3.6V
PDF  94 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32G030F6 数据表(HTML) 13 Page - STMicroelectronics

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DS12991 Rev 1
13/94
STM32G030x6/x8
Functional overview
28
Flexible protections can be configured thanks to option bytes:
•
Readout protection (RDP) to protect the whole memory. Three levels are available:
–
Level 0: no readout protection
–
Level 1: memory readout protection: the Flash memory cannot be read from or
written to if either debug features are connected, boot in RAM or bootloader is
selected
–
Level 2: chip readout protection: debug features (Cortex-M0+ serial wire), boot in
RAM and bootloader selection are disabled. This selection is irreversible.
•
Write protection (WRP): the protected area is protected against erasing and
programming. Two areas per bank can be selected, with 2-Kbyte granularity.
The whole non-volatile memory embeds the error correction code (ECC) feature supporting:
•
single error detection and correction
•
double error detection
•
readout of the ECC fail address from the ECC register
3.4
Embedded SRAM
STM32G030x6/x8 devices have 8 Kbytes of embedded SRAM with parity. Hardware parity
check allows memory data errors to be detected, which contributes to increasing functional
safety of applications.
The memory can be read/write-accessed at CPU clock speed, with 0 wait states.
Table 3. Access status versus readout protection level and execution modes
Area
Protection
level
User execution
Debug, boot from RAM or boot
from system memory (loader)
Read
Write
Erase
Read
Write
Erase
User
memory
1
Yes
Yes
Yes
No
No
No
2
Yes
Yes
Yes
N/A
N/A
N/A
System
memory
1
Yes
No
No
Yes
No
No
2
Yes
No
No
N/A
N/A
N/A
Option
bytes
1
Yes
Yes
Yes
Yes
Yes
Yes
2
Yes
No
No
N/A
N/A
N/A
Backup
registers
1Yes
Yes
N/A(1)
1. Erased upon RDP change from Level 1 to Level 0.
No
No
N/A(1)
2
Yes
Yes
N/A
N/A
N/A
N/A



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