dsp56800e Freescale Semiconductor, Inc, dsp56800e Datasheet - Page 567

• Manufacturer Part Number: dsp56800e
• Description: 16-bit Digital Signal Controller Core
• Manufacturer: Freescale Semiconductor, Inc

MPYSU
Instruction Fields:
Instruction Opcodes:
Timing:
Memory:
Freescale Semiconductor
MPYSU
Operation
MPYSU
Q2,Q1,EEE
1 oscillator clock cycle
1 program word
Y0,C1,EEE
Y1,C1,EEE
X0,Y1,EEE
X0,Y0,EEE
Y0,Y1,EEE
Y0,Y0,EEE
Y0,A1,EEE
Y1,B1,EEE
Operands
Signed × Unsigned Multiply
15
0
Instruction Set Details
1
C
1
1
W
1
12
1
16 × 16 => 32-bit signed-and-unsigned fractional multi-
ply.
The first operand is treated as signed and the second as
unsigned.
11
0
1
E
E
8
E
7
Comments
Q
Q
Q
4
MPYSU
1
3
0
1
A-223
0
0