參數(shù)資料
型號: TMS320LC542-50
元件分類: 數(shù)字信號處理
英文描述: Digital Signal Processor
中文描述: 數(shù)字信號處理器
文件頁數(shù): 49/111頁
文件大?。?/td> 1426K
代理商: TMS320LC542-50
TMS320C54x, TMS320LC54x, TMS320VC54x
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SPRS039C – FEBRUARY 1996 – REVISED DECEMBER 1999
49
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
Table 13. ’54x Instruction Set Opcodes (Continued)
MNEMONIC SYNTAX
OPCODE
CYCLES
DESCRIPTION
LSB
MSB
WORDS/
CONTROL INSTRUCTIONS
B
[
D
] pmad
Branch unconditionally with optional delay
2/4,2
1/6,4
2/4§,2,2
2/5§,3,3
1/6,4
2/4,2
2/5§,3,3
2/4,2
1/6,4
1/6,4
2/4,2
1111
00Z0
0111
0011
BACC
[
D
]
src
Branch to address in ACC, optional delay
1111
01ZS
1110
0010
BANZ
[
D
] pmad Sind
Branch on AR(ARP) not zero, optional delay
0110
11Z0
IAAA
AAAA
BC
[
D
]
pmad cond[, cond[, cond ]]
Branch conditionally, optional delay
1111
10Z0
CCCC
CCCC
CALA
[
D
]
src
Call subroutine at address in ACC, optional delay
1111
01ZS
1110
0011
CALL
[
D
] pmad
Call unconditionally, optional delay
1111
00Z0
0111
0100
CC
[
D
] pmad cond[, cond[, cond ]]
Call conditionally, optional delay
1111
10Z1
CCCC
CCCC
FB
[
D
] extpmad
Far branch unconditionally (optional delay)
1111
10Z0
1KKK
KKKK
FBACC
[
D
]
src
Far branch to address in ACC, optional delay
1111
01ZS
1110
0110
FCALA
[
D
] src
Far call to address in ACC, optional delay
1111
01ZS
1110
0111
FCALL
[
D
] extpmad
Far call unconditionally, optional delay
1111
10Z1
1KKK
KKKK
FRAME
K
Stack pointer immediate offset
1/1
1/6,4
1/6,4
1110
1110
KKKK
KKKK
FRET
[
D
]
Far return (FRETD is for delayed return)
1111
01Z0
1110
0100
FRETE
[
D
]
Far return, enable interrupts, optional delay
1111
01Z0
1110
0101
IDLE
K
Idle until interrupt
1/4
1111
01NN
1110
0001
INTR
K
Software interrupt
1/3
1111
0111
110K
KKKK
MAR
Smem
Modify auxiliary register
1/1
0110
1101
IAAA
AAAA
NOP
No operation
1/1
1111
0100
1001
0101
POPD
Smem
Pop top of stack to data memory
1/1
1000
1011
IAAA
AAAA
POPM
MMR
Pop top of stack to memory-mapped register
1/1
1000
1010
IAAA
AAAA
PSHD
Smem
Push data-memory value onto stack
1/1
0100
1011
IAAA
AAAA
PSHM
MMR
Push memory-mapped register onto stack
1/1
0100
1010
IAAA
AAAA
RC
[
D
]
cond[, cond[, cond]]
Return conditionally, optional delay
1/5§,3,3
1111
11Z0
CCCC
CCCC
RESET
Software reset
1/3
1/5,3
1/5,3
1/3,1
1111
0111
1110
0000
RET
[
D
]
Return, optional delay
1111
11Z0
0000
0000
RETE
[
D
]
Return and enable interrupts, optional delay
1111
01Z0
1110
1011
RETF
[
D
]
Return fast and enable interrupts, optional delay
1111
01Z0
1001
1011
RPT
Smem
Repeat next instruction, count is in operand
1/1
0100
0111
IAAA
AAAA
RPT
#K
Repeat next instruction, count is short immediate
1/1
1110
1100
KKKK
KKKK
RPT
#lk
Repeat next instruction, count is long immediate
2/2
2/4,2
1111
0000
0111
0000
RPTB
[
D
]
pmad
Block repeat, optional delay
1111
00Z0
0111
0010
RPTZ
dst, #lk
Repeat next instruction and clear accumulator
2/2
1111
000D
0111
0001
RSBX
N SBIT
Reset status-register bit
1/1
1111
01N0
1011
SBIT
SSBX
N SBIT
Set status-register bit
1/1
1111
01N1
1011
SBIT
TRAP
K
Software interrupt
1/3
1111
0100
110K
KKKK
XC
n cond[, cond [, cond] ]
Values for words and cycles assume the use of DARAM for data. Add one word and one cycle when using long-offset indirect addressing or
absolute addressing with a single data-memory operand.
Delayed Instruction
§Condition true
Condition false
Execute conditionally
1/1
1111
11N1
CCCC
CCCC
instruction set summary (continued)
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