參數(shù)資料
型號： UPD77210
廠商： NEC Corp.
元件分類： 數(shù)字信號處理
英文描述： 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR
中文描述： 16位定點數(shù)字信號處理器
文件頁數(shù)： 42/74頁
文件大?。?/td> 467K
代理商： UPD77210
Data Sheet U15203EJ3V0DS
42
μ
PD77210, 77213
Instruction Set
Instructions That Can Be
Described Simultaneously
F
I
Instruction Name
Mnemonic
Operation
T
B
M
L
T
I
B
L
C
O
Multiply add
ro = ro + rh*rh’
ro
←
ro + rh*rh’
√
Multiply sub
ro = ro
rh*rh’
ro
←
ro
rh*rh’
√
Signed/unsigned
multiply add
ro = ro + rh*rl
(rl is in positive integer format.)
ro
←
ro + rh*rl
√
Unsigned/unsigned
multiply add
ro = ro + rl*rl’
(rl and rl’ are in positive integer
format.)
ro
←
ro + rl*rl’
√
1-bit shift multiply add
ro = (ro >> 1) + rh*rh’
ro
←
ro/2 + rh*rh’
√
T
16-bit shift multiply
add
ro = (ro >> 16) + rh*rh’
ro
←
ro/2 + rh*rh’
√
Multiply
ro = rh*rh’
ro
←
rh*rh’
√
Add
ro” = ro + ro’
ro”
←
ro + ro’
√
Immediate add
ro’ = ro + imm
ro’
←
ro + imm
(where imm
≠
1)
Sub
ro” = ro
ro’
ro”
←
ro
ro’
√
Immediate sub
ro’ = ro
imm
ro’
←
ro
imm
(where imm
≠
1)
Arithmetic right shift
ro’ = ro SRA rl
ro’
←
ro >> rl
√
Immediate arithmetic
right shift
ro’ = ro SRA imm
ro’
←
ro >> imm
Logical right shift
ro’ = ro SRL rl
ro’
←
ro >> rl
√
Immediate logical right
shift
ro’ = ro SRL imm
ro’
←
ro >> imm
Logical left shift
ro’ = ro SLL rl
ro’
←
ro << rl
√
Immediate logical left
shift
ro’ = ro SLL imm
ro’
←
ro << imm
And
ro” = ro & ro’
ro”
←
ro & ro’
√
Immediate and
ro’ = ro & imm
ro’
←
ro & imm
Or
ro” = ro | ro’
ro”
←
ro | ro’
√
Immediate or
ro’ = ro | imm
ro’
←
ro | imm
Exclusive or
ro” = ro^ro’
ro”
←
ro^ro’
√
Immediate exclusive
or
ro‘ = ro^imm
ro’
←
ro^imm
B
Less than
ro” = LT (ro, ro’)
if (ro < ro’)
{ro”
←
0x0000000001}
else {ro”
←
0x0000000000}
√
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