mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 591

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

The CAU only supports 32-bit operations and register accesses. All registers support
read, write, and ALU operations. However, only bits 1–0 of the CASR are writeable. Bits
31–2 of the CASR must be written as 0 for compatibility with future versions of the
CAU.
Freescale Semiconductor, Inc.
0
1
2
3
4
5
6
7
8
9
10
Code
In the following table, the "address" or "offset" refers to the
command code value for the CAU registers.
CAU status
register (CASR)
CAU
accumulator
(CAA)
General
purpose register
0 (CA0)
General
purpose register
1 (CA1)
General
purpose register
2 (CA2)
General
purpose register
3 (CA3)
General
purpose register
4 (CA4)
General
purpose register
5 (CA5)
General
purpose register
6 (CA6)
General
purpose register
7 (CA7)
General
purpose register
8 (CA8)
Register
MCF51JF128 Reference Manual, Rev. 2, 03/2011
—
—
C
D
L
R
—
—
—
—
—
DES
—
—
W0
W1
W2
W3
—
—
—
—
—
AES
Preliminary
NOTE
Chapter 26 Cryptographic Acceleration Unit (CAU)
—
a
—
b
c
d
—
—
—
—
—
MD5
—
T
A
B
C
D
E
W
—
—
—
SHA-1
—
T
A
B
C
D
E
F
G
H
W/T
SHA-256
1
591