Freescale Semiconductor MCF5480 User Manual
Page 647
Message Digest Execution Unit (MDEU)
MCF548x Reference Manual, Rev. 3
Freescale Semiconductor
22-45
Figure 22-32. MDEU Interrupt Mask Register (MDIMR)
describes MDEU interrupt mask register fields.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R
ME
AE
0
0
0
IFO
0
0
0
0
0
IE
ERE
CE
KSE
DSE
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reg
Addr
MBAR 0x2C038
Table 22-29. MDIMR Field Descriptions
Bits
Name
Description
31
ME
Mode Error. An illegal value was detected in the mode register.
0 Mode error enabled
1 Mode error disabled
30
AE
Address Error. An illegal read or write address was detected within the MDEU address
space.
0 Address error enabled
1 Address error disabled
29-27
—
Reserved, should be cleared.
26
IFO
Input FIFO Overflow. The MDEU input FIFO has been pushed while full.
0 Input FIFO overflow error enabled
1 Input FIFO overflow error disabled
25-21
—
Reserved, should be cleared.
20
IE
Internal Error. An internal processing error was detected while performing hashing.
0 Internal error enabled
1 Internal error disabled
19
ERE
Early Read Error. The MDEU register was read while the MDEU was performing hashing.
0 Early read error enabled
1 Early read error disabled
18
CE
Context Error. The MDEU key register, the key size register, the data size register, or the
mode register, was modified while the MDEU was performing hashing.
0 Context error enabled
1 Context error disabled
17
KSE
Key Size Error. A value outside the bounds 512 bits was written to the MDEU key size
register
0 Key size error enabled
1 Key size error disabled