Samsung S3C6400X, User Manual, Page: 347 / 1189

PRELIMINARY
SECURITY SUB-SYSTEM S3C6400X RISC MICROPROCESSOR
13-10
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.
FIFO-RX MESSAGE LENGTH REGISTER
Register Address R/W Description Reset Value
FRx_MLen 0x7D40_0004 R/W FIFO-Rx Message Length Reg. 0x0000_0000
FRx_MLen Bit Description Initial State
FRx_MLen [31:0] Message Length in word (32-bit) unit.
Resets to its reset value when FRx_Reset field of FRx_Ctrl
register is set.
0x0000_0000
FIFO-RX BLOCK SIZE REGISTER
Register Address R/W Description Reset Value
FRx_BlkSz 0x7D40_0008 R/W FIFO-Rx Crypto Algorithm
Block Size Reg.
0x0000_0000
FRx_BlkSz Bit Description Initial State
Reserved [31:18] Reserved 0x0000
LastValidByte [17:16]
Last valid byte in the last word transferred to the SHA-1/PRNG
module (Only valid when FRx_Dest_Module=2’b10(in FRx_Ctrl).
End of the SHA text byte
00 : first byte (LSB in 32bit) 01 : second byte
10 : third byte 11 : fourth byte (full 32bit)
Resets to its reset value when FRx_Reset field of FRx_Ctrl
register is set.
00b
BlkSz [15:0]
Block size of destination module(in word(32-bit) unit). FIFO-Rx
will transfer FRx_BlkSz word and then triggers the destination
module to start processing. The destination module is selected by
FRx_Dest_Module field in FRx_Ctrl.
Resets to its reset value when FRx_Reset field of FRx_Ctrl
register is set.
0x0000
FIFO-RX DESTINATION ADDRESS REGISTER
Register Address R/W Description Reset Value
FRx_Dest
Addr
0x7D40_000C R/W FIFO-Rx Input Buffer Address Reg. 0x0000_0000
SKEY_IDx Bit Description Initial State
DestAddr [31:0] Internal memory address of destination input buffer. FIFO-Rx will
transfer data to this address. Resets to its reset value when
FRx_Reset field of FRx_Ctrl register is set. 0x0000_0000