XC886/888CLM
Multiplication/Division Unit
User’s Manual
10-9
V1.3, 2010-02
MDU, V2.1
10.5.1
Operand and Result Registers
The MDx and MRx registers are used to store the operands and results of a calculation.
MD4 and MR4 are also used as input and output control registers for shift and normalize
operations.
MDx (x = 0 - 5)
MDU Operand Register
Reset Value: 00
H
7
6
5
4
3
2
1
0
DATA
rw
Field
Bits
Type Description
DATA
7:0
rw
Operand Value
See
MRx (x = 0 - 5)
MDU Result Register
Reset Value: 00
H
7
6
5
4
3
2
1
0
DATA
rw
Field
Bits
Type Description
DATA
7:0
rh
Result Value
See
MD4
Shift Input Control Register
Reset Value: 00
H
7
6
5
4
3
2
1
0
0
SLR
SCTR
rw
rw
rw
*