mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 610

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

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Memory Map/Register Definition
27.3.1 RNGB Version ID Register (RNG_VER)
The read-only RNG_VER register contains the current version of the RNGB. It consists
of the RNG type and major and minor revision numbers.
Address: RNG_VER is FFFF_98C0h base + 0h offset = FFFF_98C0h
27.3.2 RNGB Command Register (RNG_CMD)
RNG_CMD controls the RNG's operating modes and interrupt status.
Address: RNG_CMD is FFFF_98C0h base + 4h offset = FFFF_98C4h
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Bit
Bit
W
W
R
R
Reserved
31
31
0
0
MAJOR
MINOR
31–28
27–16
TYPE
15–8
Field
7–0
30
TYPE
30
0
0
29
29
0
0
28
28
1
0
Random number generator type
0000
0001
0010
Else
This read-only bitfield is reserved and always has the value zero.
Reserved, must be cleared.
Major version number.
This field is always set to 0x02.
Minor version number.
Subjiect to change.
27
27
0
0
26
26
0
0
RNGA
RNGB (This is the type used in this module)
RNGC
Reserved
25
25
0
0
24
24
0
0
MCF51JF128 Reference Manual, Rev. 2, 03/2011
23
23
0
0
22
22
0
0
0
RNG_VER field descriptions
21
21
0
0
20
20
0
0
19
19
0
0
0
18
18
0
0
Preliminary
17
17
0
0
16
16
0
0
15
15
0
0
Description
14
14
0
0
13
13
0
0
MAJOR
12
12
0
0
11
11
0
0
10
10
0
0
1
0
9
9
0
0
8
8
Freescale Semiconductor, Inc.
1
0
7
7
0
0
6
6
0
0
0
0
5
5
MINOR
4
0
4
0
0
0
0
3
3
0
0
0
2
2
0
0
1
1
0
0
0
0