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S3C9442 Datasheet(PDF) 30 Page - Samsung semiconductor |
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S3C9442 Datasheet(HTML) 30 Page - Samsung semiconductor |
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30 / 50 page  SAM88RCRI INSTRUCTION SET S3C9442/C9444/F9444/C9452/C9454/F9454 6-30 LDC/LDE — Load Memory LDC/LDE (Continued) Examples: Given: R0 = 11H, R1 = 34H, R2 = 01H, R3 = 04H, R4 = 00H, R5 = 60H; Program memory locations 0061 = AAH, 0103H = 4FH, 0104H = 1A, 0105H = 6DH, and 1104H = 88H. External data memory locations 0061H = BBH, 0103H = 5FH, 0104H = 2AH, 0105H = 7DH, and 1104H = 98H: LDC R0,@RR2 ; R0 ← contents of program memory location 0104H ; R0 = 1AH, R2 = 01H, R3 = 04H LDE R0,@RR2 ; R0 ← contents of external data memory location 0104H ; R0 = 2AH, R2 = 01H, R3 = 04H LDC (note) @RR2,R0 ; 11H (contents of R0) is loaded into program memory ; location 0104H (RR2), ; working registers R0, R2, R3 → no change LDE @RR2,R0 ; 11H (contents of R0) is loaded into external data memory ; location 0104H (RR2), ; working registers R0, R2, R3 → no change LDC R0,#01H[RR4] ; R0 ← contents of program memory location 0061H ; (01H + RR4), ; R0 = AAH, R2 = 00H, R3 = 60H LDE R0,#01H[RR4] ; R0 ← contents of external data memory location 0061H ; (01H + RR4), R0 = BBH, R4 = 00H, R5 = 60H LDC (note) #01H[RR4],R0 ; 11H (contents of R0) is loaded into program memory location ; 0061H (01H + 0060H) LDE #01H[RR4],R0 ; 11H (contents of R0) is loaded into external data memory ; location 0061H (01H + 0060H) LDC R0,#1000H[RR2] ; R0 ← contents of program memory location 1104H ; (1000H + 0104H), R0 = 88H, R2 = 01H, R3 = 04H LDE R0,#1000H[RR2] ; R0 ← contents of external data memory location 1104H ; (1000H + 0104H), R0 = 98H, R2 = 01H, R3 = 04H LDC R0,1104H ; R0 ← contents of program memory location 1104H, R0 = 88H LDE R0,1104H ; R0 ← contents of external data memory location 1104H, ; R0 = 98H LDC (note) 1105H,R0 ; 11H (contents of R0) is loaded into program memory location ; 1105H, (1105H) ← 11H LDE 1105H,R0 ; 11H (contents of R0) is loaded into external data memory ; location 1105H, (1105H) ← 11H NOTE: These instructions are not supported by masked ROM type devices. |
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