Flash Security Protection Status Register - Cpsr - Holtek HT32F50231 User Manual

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F50231/HT32F50241
Flash Security Protection Status Register – CPSR
This register indicates the status of the Flash Memory Security protection. The content of this register is not
dynamically updated and will only be reloaded by the Option Byte loader, which is active when any kind of reset
occurs.
Offset: 0x030
Reset value: 0x0000_000X
31
Type/Reset
23
Type/Reset
15
Type/Reset
7
Type/Reset
Bits Field
[1] OBPSB
[0] CPSB
Rev. 1.00
30 29 28
22 21 20
14 13 12
6 5 4
Reserved
Descriptions
Option Byte Page Erase / Program Protection Status Bit
0: The Option Byte page is protected
1: The Option Byte page is not protected
The reset value of OBPSB is determined by the Option Byte, OB_CP [1].
Flash Security Protection Status Bit
0: Flash Security protection is enabled
1: Flash Security protection is not enabled
The reset value of CPSB is determined by the Option Byte, OB_CP [0].
53 of 486
27 26
Reserved
19 18
Reserved
11 10
Reserved
3 2
OBPSB
RO
25 24
17 16
9 8
1 0
CPSB
X RO X
July 31, 2018