RM0082
AS_Cryptographic co-processor (C3)
Doc ID 018672 Rev 1
405/844
Bit 15 to 0 - Reserved
These bits are reserved and should be written zero.
21.11.22 Data input register (UHH_DATA_IN)
The Data Input Register contains the current data input word to the UHH Channel.
21.11.23 Control and status register (UHH_CB_CONTROL_STATUS)
The UHH_CB_CONTROL_STATUS bit assignments are given.
Bit 31 - Reserved
This bit is reserved and should be written zero.
Bits 30 to 26 - Number of Bits for the Last Word (N BLW)
These 5 bits represent the length in bits of the last word of the message.
Bits 25 to 22 - Cryptoblock Internal Status (STAT)
These 4 bits represent the status of the Cryptoblock, as in the following internal
representation:
Bit
31
30
29
28
27
26
25
24
Symbol
res
NBLW4
NBLW3
NBLW2
NBLW1
NBLW0
STAT3
STAT2
Initial Value
-
0
0
0
0
0
0
0
Type
-
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit
23
22
21
20
19
18
17
16
Symbol
STAT1
STAT0
INVAL
SHORT
res
res
ALG1
ALG0
Initial Value
0
0
0
0
-
-
0
0
Type
R/W
R/W
R/W
R/W
-
-
R/W
R/W
Bit
15
14
13
12
11
10
9
8
Symbol
res
res
res
res
res
res
res
res
Initial Value
-
-
-
-
-
-
-
-
Type
-
-
-
-
-
-
-
-
Bit
7
6
5
4
3
2
1
0
Symbol
res
res
res
res
res
res
res
res
Initial Value
-
-
-
-
-
-
-
-
Type
-
-
-
-
-
-
-
-