参数资料
型号: S1C621A0F0A0100
元件分类: 微控制器/微处理器
英文描述: MICROCONTROLLER, PQFP80
封装: QFP-80
文件页数: 14/161页
文件大小: 1037K
代理商: S1C621A0F0A0100
111
32000D–04/2011
AVR32
9.3.6
Bit Operations
Table 9-6.
Bit Operations
Mnemonics
Operands / Syntax
Description
Operation
Rev
bfexts
E
Rd, Rs, o5, w5
Extract and sign-extend the w5 bits in Rs
starting at bit-offset o5 to Rd.
See Instruction Set Reference
1
bfextu
E
Rd, Rs, o5, w5
Extract and zero-extend the w5 bits in Rs
starting at bit-offset o5 to Rd.
See Instruction Set Reference
1
bfins
E
Rd, Rs, o5, w5
Insert the lower w5 bits of Rs in Rd at bit-
offset o5.
See Instruction Set Reference
1
bld
E
Rd, bp
Bit load.
C
← Rd[bp5]
Z
← Rd[bp5]
1
brev
C
Rd
Bit reverse.
Rd[0:31]
← Rd[31:0]
1
bst
E
Rd, bp
Bit store.
Rd[bp5]
← C1
casts.b
C
Rd
Typecast byte to signed word.
Rd
← SE(Rd[7:0])
1
casts.h
C
Rd
Typecast halfword to signed word.
Rd
← SE(Rd[15:0])
1
castu.b
C
Rd
Typecast byte to unsigned word.
Rd
← ZE(Rd[7:0])
1
castu.h
C
Rd
Typecast halfword to unsigned word.
Rd
← ZE(Rd[15:0])
1
cbr
C
Rd, bp
Clear bit in register.
Rd[bp5]
← 01
clz
E
Rd, Rs
Count leading zeros.
See Instruction Set Reference
1
sbr
C
Rd, bp
Set bit in register.
Rd[bp5]
← 11
swap.b
C
Rd
Swap bytes in register.
Rd[31:24]
← Rd[7:0],
Rd[23:16]
← Rd[15:8],
Rd[15:8]
← Rd[23:16],
Rd[7:0]
← Rd[31:24]
1
swap.bh
C
Rd
Swap bytes in each halfword.
Rd[31:24]
← Rd[23:16],
Rd[23:16]
← Rd[31:24],
Rd[15:8]
← Rd[7:0],
Rd[7:0]
← Rd[15:8]
1
swap.h
C
Rd
Swap halfwords in register.
Rd[31:16]
← Rd[15:0],
Rd[15:0]
← Rd[31:16]
1
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