dsp56800e Freescale Semiconductor, Inc, dsp56800e Datasheet - Page 621

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

SUB.W
Instruction Fields:
Instruction Opcodes:
Timing:
Memory:
Freescale Semiconductor
SUB.W
SUB.W
SUB.W
SUB.W
SUB.W
SUB.W
SUB.W
Operation
SUB.W
#<0–31>,EEE
#xxxx,EEE
X:(Rn),EEE
X:(Rn+xxxx),EEE
X:(SP–xx),EEE
X:xxxx,EEE
X:xxxxxx,EEE
1–3 oscillator clock cycle(s)
1–3 program word(s)
X:(Rn+xxxx),EEE
X:(SP–xx),EEE
X:xxxxxx,EEE
#<0–31>,EEE
X:(Rn),EEE
X:xxxx,EEE
#xxxx,EEE
Operands
15
15
15
15
15
15
15
0
0
0
0
0
0
1
0
Instruction Set Details
Subtract Word
1
1
1
1
1
1
1
1
C
2
3
3
2
3
1
2
0
0
0
0
0
0
1
0
W
12
12
12
12
12
12
12
1
2
1
2
3
1
2
1
1
1
1
1
1
0
1
Subtract memory word from register
Subtract an immediate value 0–31
Subtract a signed 16-bit immediate
11
11
11
11
11
11
11
0
0
0
0
0
0
0
0
1
1
1
1
0
1
A
1
AAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAA
E
E
E
E
E
E
A
E
E
E
E
E
E
E
A
E
8
8
8
8
8
8
8
iiiiiiiiiiiiiiii
E
E
E
E
E
E
E
7
7
7
7
7
7
7
0
Comments
0
1
1
1
1
1
A
1
0
0
0
0
a
0
1
0
B
0
1
1
a
0
1
0
4
4
4
4
4
4
4
SUB.W
R
R
B
A
0
a
0
0
3
3
3
3
3
3
3
B
0
1
0
a
1
A
1
B
R
R
A
0
a
0
0
A-277
B
R
R
A
0
a
0
0
0
0
0
0
0
0
0