True random number generator (RNG) RM0453
646/1450 RM0453 Rev 5
22.7.4 RNG health test control register (RNG_HTCR)
Address offset: 0x010
Reset value: 0x0000 5A4E
Writing in RNG_HTCR is taken into account only if the CONDRST bit is set, and the
CONFIGLOCK bit is cleared in the RNG_CR. Writing to this register is ignored if
CONFIGLOCK=1.
22.7.5 RNG register map
Refer to Section 2.6 for the register boundary addresses.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
HTCFG[31:16]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
1514131211109876543210
HTCFG[15:0]
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
Bits 31:0 HTCFG[31:0]: health test configuration
This configuration is used by RNG to configure the health tests. See Section 22.6: RNG
entropy source validation for the recommended value.
Note: The RNG behavior, including the read to this register, is not guaranteed if a different
value from the recommended value is written.
When reading or writing this register magic number; 0x17590ABC must be written
immediately before to the RNG_HTCR register.
Table 132. RNG register map and reset map
Offset Register name
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0x000
RNG_CR
CONFIGLOCK
CONDRST
Res.
Res.
Res.
Res.
RNG_CONFIG1[5:0]
.CLKDIV
[3:0]
RNG_
CONFIG2
[2:0]
NISTC
RNG_
CONFIG3
[3:0]
Res.
Res.
CED
Res.
IE
RNGEN
Res.
Res.
Reset value 00 001000000000000000 0 00
0x004
RNG_SR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SEIS
CEIS
Res.
Res.
SECS
CECS
DRDY
Reset value 00 000
0x008
RNG_DR RNDATA[31:0]
Reset value 00000000000000000000000000000000
0x010
RNG_HTCR HTCFG[31:0]
Reset value 00000000000011000101101001001110
To Next Page
Loading...
Need help?
General
