Watchdog Timer Protection Register - Wdtpr - Holtek HT32F52220 User Manual

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F52220/HT32F52230
Watchdog Timer Protection Register – WDTPR
This register specifies the Watchdog timer protect key configuration.
Offset: 0x010
Reset value: 0x0000_0000
31
Type/Reset
23
Type/Reset
15
Type/Reset RW 0 RW
7
Type/Reset RW 0 RW
Bits Field
[15:0] PROTECT
Rev. 1.10
30 29 28
22 21 20
14 13 12
0 RW 0 RW
6 5 4
0 RW 0 RW
Descriptions
Watchdog Timer Register Protection
For write operation:
0x35CA: Disable the Watchdog timer register write protection
Others: Enable the Watchdog timer register write protection
For read operation:
0x0000: Watchdog timer register write protection is disabled
0x0001: Watchdog timer register write protection is enabled
This register is used to enable/disable the Watchdog timer configuration register
write protection function. All configuration registers become read only except for
the WDTCR and WDTPR registers when the register write protection is enabled.
Additionally, the read operation of PROTECT[0] can obtain the enable/disable status
of the register write protection function.
276 of 366
27 26
Reserved
19 18
Reserved
11 10
PROTECT
0 RW 0 RW 0 RW
3 2
PROTECT
0 RW 0 RW 0 RW
25 24
17 16
9 8
0 RW 0
1 0
0 RW 0
November 09, 2018