True Random Number Generator (RNG) RM0351
814/1830 DocID024597 Rev 5
27.8 RNG registers
The RNG is associated with a control register, a data register and a status register.
27.8.1 RNG control register (RNG_CR)
Address offset: 0x000
Reset value: 0x0000 0000
27.8.2 RNG status register (RNG_SR)
Address offset: 0x004
Reset value: 0x0000 0000
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. IE RNGEN Res. Res.
rw rw
Bits 31:4 Reserved, must be kept at reset value
Bit 3 IE: Interrupt Enable
0: RNG Interrupt is disabled
1: RNG Interrupt is enabled. An interrupt is pending as soon as DRDY=’1’, SEIS=’1’ or
CEIS=’1’ in the RNG_SR register.
Bit 2 RNGEN: True random number generator enable
0: True random number generator is disabled. Analog noise sources are powered off and
logic clocked by the RNG clock is gated.
1: True random number generator is enabled.
Bits 1:0 Reserved, must be kept at reset value
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
1514131211109876543210
Res. Res. Res. Res. Res. Res. Res. Res. Res. SEIS CEIS Res. Res. SECS CECS DRDY
rc_w0 rc_w0 r r r
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