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UPD70F3201 Datasheet(PDF) 55 Page - NEC |
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UPD70F3201 Datasheet(HTML) 55 Page - NEC |
55 / 98 page ![]() Preliminary Product Information U15436EJ1V0PM 55 µµµµPD703201, 703201Y, 703204, 703204Y, 70F3201, 70F3201Y, 70F3204, 70F3204Y (3) Register symbols used in operation Register Symbol Explanation ← Input for GR [ ] General-purpose register SR [ ] System register zero-extend (n) Expand n with zeros until word length. sign-extend (n) Expand n with signs until word length. load-memory (a, b) Read size b data from address a. store-memory (a, b, c) Write data b into address a in size c. load-memory-bit (a, b) Read bit b of address a. store-memory-bit (a, b, c) Write c to bit b of address a. saturated (n) Execute saturated processing of n (n is a 2’s complement). If, as a result of calculations, n ≥ 7FFFFFFFH, let it be 7FFFFFFFH. n ≤ 80000000H, let it be 80000000H. result Reflects the results in a flag. Byte Byte (8 bits) Half-word Halfword (16 bits) Word Word (32 bits) + Addition – Subtraction ll Bit concatenation × Multiplication ÷ Division % Remainder from division results AND Logical product OR Logical sum XOR Exclusive OR NOT Logical negation logically shift left by Logical shift left logically shift right by Logical shift right arithmetically shift right by Arithmetic shift right (4) Register symbols used in an execution clock Register Symbol Explanation i If executing another instruction immediately after executing the first instruction (issue). r If repeating execution of the same instruction immediately after executing the first instruction (repeat). l If using the results of instruction execution in the instruction immediately after the execution (latency). |
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