CAUTION: This register only allows to write ‘ones’ and forbids to write ‘zeros’. A chip reset is needed to clear this register.
The following configuration values are valid for all listed bit names of this register:
0: Operation is permitted.
1: Operation is forbidden.
Name:
SFR_PUFDIS
Offset:
0x208
Reset:
0x00000000
Property:
Read/Write
Bit
31
30
29
28
27
26
25
24
Access
Reset
Bit
23
22
21
20
19
18
17
16
Access
Reset
Bit
15
14
13
12
11
10
9
8
RESEED
LAB_TEST_MODE
TEST_MEMORY
RECONSTRUCT
WRAP_GENERATED_RANDOM
Access
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
Bit
7
6
5
4
3
2
1
0
WRAP
UNWRAP
TEST_PUF
STOP
START
GET_KEY
GENERATE_RANDOM
ENROLL
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit 12 – RESEED Connected to qk_disable_reseed input for
QK
Bit 11 – LAB_TEST_MODE Connected to qk_disable_lab_test_mode input for
QK
Bit 10 – TEST_MEMORY Connected to qk_disable_test_memory input for
QK
Bit 9 – RECONSTRUCT Connected to qk_disable_reconstruct input for
QK
Bit 8 – WRAP_GENERATED_RANDOM Connected to qk_disable_wrap_generated_random input
for QK
Bit 7 – WRAP Connected to qk_disable_wrap input for
QK
Bit 6 – UNWRAP Connected to qk_disable_unwrap input for
QK
Bit 5 – TEST_PUF Connected to qk_disable_test_puf input for
QK
Bit 4 – STOP Connected to qk_disable_stop input for
QK
Bit 3 – START Connected to qk_disable_start input for
QK
Bit 2 – GET_KEY Connected to qk_disable_get_key input for
QK
Bit 1 – GENERATE_RANDOM Connected to qk_disable_generate_random input for
QK
Bit 0 – ENROLL Connected to qk_disable_enroll input for
QK
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.
