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PRELIMINARY
SECURITY SUB-SYSTEM
S3C6400X RISC MICROPROCESSOR
13-22
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
SEED_DATA_01 ~ SEED_DATA_10
Register
Address
R/W
Description
Reset Value
SEED_DATA_01
0x7D30_0008 R/W
PRNG
seed
data 1 ([31:0])
0x0000_0000
SEED_DATA_02
0x7D30_000C R/W
PRNG
seed data 2 [63:32]
0x0000_0000
SEED_DATA_03
0x7D30_0010 R/W
PRNG
seed
data 3 [95:64]
0x0000_0000
SEED_DATA_04
0x7D30_0014 R/W
PRNG
seed
data 4 [127:96]
0x0000_0000
SEED_DATA_05
0x7D30_0018 R/W
PRNG
seed
data 5 [159:128]
0x0000_0000
SEED_DATA_06
0x7D30_001C R/W
PRNG
seed data 6 [191:160]
0x0000_0000
SEED_DATA_07
0x7D30_0020 R/W
PRNG
seed
data 7 [223:192]
0x0000_0000
SEED_DATA_08
0x7D30_0024 R/W
PRNG
seed
data 8 [255:224]
0x0000_0000
SEED_DATA_09
0x7D30_0028 R/W
PRNG
seed
data 9 [287:256]
0x0000_0000
SEED_DATA_10
0x7D30_002C R/W
PRNG
seed data 10[319:288]
0x0000_0000
SEED_DATA
Bit
Description
Initial State
SEED_DATA
[31:0] PRNG seed data ( HASH_CONTROL[5] == 1’b1)
0x0000_0000
HASH_STATUS
Register
Address
R/W
Description
Reset Value
HASH_STATUS
0x7D30_0030 R Hash
status
0x0000_0010
HASH_STATUS
Bit
Description
Initial State
Reserved [31:5]
Reserved
0x0000_00
BUFFER_IN_ENABLE [4]
1 : Buffer Input Enable (Buffer is empty)
0 : Buffer Input Not Enable (Buffer is full)
1b
HASH_engine_ready [3]
Ready to receive next 64 bytes of input data (will be
cleared by software after checking)
0b
Random_Number_Ready [2]
Random number ready (will be cleared by hardware
after ‘1’ is read)
0b
32bit_ready [1]
Used only in test
Next 32-bit is ready to be processed (will be cleared by
hardware after ‘1’ is read)
0b
HASH_output_ready [0]
160 bits of the hash calculation is finished and ready to
be used (will be cleared by hardware after ‘1’ is read)
0b