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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SH7041A датащи(PDF) 163 Page - Renesas Technology Corp |
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SH7041A датащи(HTML) 163 Page - Renesas Technology Corp |
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163 / 923 page  125 • Bits 3 and 2—Read/Write Select (RW1, RW0): These bits select whether to break on read and/or write cycles. Bit 3: RW1 Bit 2: RW0 Description 0 0 No user break interrupt occurs (initial value) 1 Break on read cycles 1 0 Break on write cycles 1 Break on both read and write cycles • Bits 1 and 0—Operand Size Select (SZ1, SZ0): These bits select operand size as a break condition. Bit 1: SZ1 Bit 0: SZ0 Description 0 0 Operand size is not a break condition (initial value) 1 Break on byte access 1 0 Break on word access 1 Break on longword access Note: When breaking on an instruction fetch, set the SZ0 bit to 0. All instructions are considered to be word-size accesses (even when there are instructions in on-chip memory and 2 instruction fetches are done simultaneously in 1 bus cycle). Operand size is word for instructions or determined by the operand size specified for the CPU/DMAC data access. It is not determined by the bus width of the space being accessed. |
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