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PRELIMINARY
SECURITY SUB-SYSTEM
S3C6400X RISC MICROPROCESSOR
13-18
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.
SECURITY SUB-SYSTEM DES/3DES MODULE
TDES_RX_CTRL
Register
Address
R/W
Description
Reset Value
TDES_Rx_CTRL
0x7D20_0000 R/W TDES control / status register
0x0000_0040
TDES_Rx_CTRL
Bit
Description
Initial State
WrPrivMismatch [31]
SFR Write Access Privilege Mismatch Status bit. If set to ‘1’,
SFR Write Access Privilege Mismatch is occurred.
0b
RdPrivMismatch [30]
SFR Read Access Privilege Mismatch Status bit. If set to ‘1’,
SFR Read Access Privilege Mismatch is occurred.
0b
Reserved [29:8]
Reserved
0x0000_00
TdesOutReady [7]
If set to ‘1’, AES Out Buffer is Full, and ARM or Rx FiFo is
permitted to Read current 128bits result data
0b
TdesInReady [6]
If set to ‘1’, TDES Input Buffer is Empty, and ARM or Rx FiFo is
permitted to write next 128bits data.
1b
DesOrTdes [5]
DES or TDES Operation Selection Bit
0 : DES Only Mode
1 : TDES Mode
0b
TdesMode [4:3]
TDES Mode Selection Bit
01 : ECB Mode
10 : CBC Mode
00b
TdesOpDirection [2]
TDES Operation Direction Selection Bit.
0 : Encryption
1 : Decryption
0b
TdesIntMode [1]
TDES Operation End Mode Selection Bit
0 : Polling Mode
1 : Interrupt Mode
0b
TdesOpEnable [0]
If set to ‘1’, TDES starts operation by ARM. If the
des_or_tdes_op_done is generated, It becomes ‘0’.
0b