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S3C4530A Datasheet(PDF) 51 Page - Samsung semiconductor

Part No. S3C4530A
Description  16/32-bit RISC microcontroller is a cost-effective, high-performance microcontroller
Download  432 Pages
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Maker  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
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S3C4530A Datasheet(HTML) 51 Page - Samsung semiconductor

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S3C4530A
INSTRUCTION SET
3-9
DATA PROCESSING
The data processing instruction is only executed if the condition is true. The conditions are defined in Table 3-2.
The instruction encoding is shown in Figure 3-4.
31
24
27
19
15
Cond
Operand2
28
16
11
12
21
[15:12] Destination Register
0 = Branch
1 = Branch with Link
[19:16] 1st operand Register
0 = Branch
1 = Branch with Link
[20] Set condition Codes
0 = Do not after condition codes
1 = Set condition codes
[24:21] Operation Code
0000 = AND-Rd: = Op1 AND Op2
0001 = EOR-Rd: = Op1 EOR Op2
0010 = SUB-Rd: = Op1-Op2
0011 = RSB-Rd: = Op2-Op1
0100 = ADD-Rd: = Op1+Op2
0101 = ADC-Rd: = Op1+Op2+C
0110 = SBC-Rd: = OP1-Op2+C-1
0111 = RSC-Rd: = Op2-Op1+C-1
1000 = TST-set condition codes on Op1 AND Op2
1001 = TEO-set condition codes on OP1 EOR Op2
1010 = CMP-set condition codes on Op1-Op2
1011 = SMN-set condition codes on Op1+Op2
1100 = ORR-Rd: = Op1 OR Op2
1101 = MOV-Rd: =OP2
1110 = BIC-Rd: = Op1 AND NOT Op2
1111 = MVN-Rd: = NOT Op2
[25] Immediate Operand
0 = Operand 2 is a register
1 = Operand 2 is an immediate Value
[11:0] Operand 2 Type Selection
[31:28] Condition Field
26 25
00
L
20
Opcode
S
Rn
Rd
0
Rotate
Shift
Rm
[3:0] 2nd Operand Register
[11:4] Shift applied to Rm
3
11
0
4
8
11
0
7
Imm
[7:0] Unsigned 8 bit immediate value
[11:8] Shift applied to Imm
Figure 3-4. Data Processing Instructions


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