STMicroelectronics STM32WLEx Reference Manual page 939

RM0461
Bits 31:8 Reserved, must be kept at reset value.
Bit 7 ITAMP8NOER: Internal Tamper 8 no erase
Bit 6 Reserved, must be kept at reset value.
Bit 5 ITAMP6NOER: Internal Tamper 6 no erase
Bit 4 ITAMP5NOER: Internal Tamper 5 no erase
Bit 3 Reserved, must be kept at reset value.
Bit 2 ITAMP3NOER: Internal Tamper 3 no erase
Bit 1 Reserved, must be kept at reset value.
Bit 0 Reserved, must be kept at reset value.
1. and the device secrets erased by tamp_erase signal (refer to
31.6.4 TAMP filter control register (TAMP_FLTCR)
Address offset: 0x0C
Backup domain reset value: 0x0000 0000
System reset: not affected
31 30 29
Res. Res. Res. Res.
15 14 13
Res. Res. Res. Res.
Bits 31:8 Reserved, must be kept at reset value.
Bit 7 TAMPPUDIS: TAMP_INx pull-up disable
0: Internal Tamper 8 event erases the backup registers.
1: Internal Tamper 8 event does not erase the backup registers
0: Internal Tamper 6 event erases the backup registers.
1: Internal Tamper 6 event does not erase the backup registers
0: Internal Tamper 5 event erases the backup registers.
1: Internal Tamper 5 event does not erase the backup registers
0: Internal Tamper 3 event erases the backup registers.
1: Internal Tamper 3 event does not erase the backup registers
28 27 26 25
Res. Res. Res.
12 11 10 9
Res. Res. Res.
This bit determines if each of the TAMPx pins are precharged before each sample.
0: Precharge TAMP_INx pins before sampling (enable internal pull-up)
1: Disable precharge of TAMP_INx pins.
Tamper and backup registers (TAMP)
Table 206: TAMP interconnection).
24 23 22
Res. Res. Res.
8 7 6
TAMP TAMPPRCH
Res.
PUDIS [1:0]
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RM0461 Rev 5
(1)
.
(1)
.
(1)
.
(1)
.
21 20 19 18
Res. Res. Res. Res.
5 4 3 2
TAMPFLT
[1:0]
rw rw rw rw
17 16
Res. Res.
1 0
TAMPFREQ
[2:0]
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