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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) 208 Page - Renesas Technology Corp |
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SH7041A датащи(HTML) 208 Page - Renesas Technology Corp |
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208 / 923 page  170 Bit: 15 14 13 12 11 10 9 8 — — MTU RWE —— —— IOE Initial value: 0 0 1 0 0 0 0 0 R/W: R R R/W R R R R R/W Bit: 7 6 5 4 3 2 1 0 A3LG A2LG A1LG A0LG A3SZ A2SZ A1SZ A0SZ Initial value: 0 0 0 0 1 1 1 1 R/W: R/W R/W R/W R/W R/W R/W R/W R/W • Bits 15, 14, 12–9—Reserved: These bits always read as 0. The write value should always be 0. • Bit 13—MTU Read/Write Enable (MTURWE): When this bit is 1, MTU control register access is enabled. See section 12, Multifunction Timer Pulse Unit (MTU), for details. Bit 13 (MTURWE) Description 0 MTU control register access is disabled 1 MTU control register access is enabled (initial value) • Bit 8—Multiplex I/O Enable (IOE): Selects the use of CS3 space as ordinary space or address/data multiplex I/O space. A 0 selects ordinary space and a 1 selects address/data multiplex I/O space. When address/data multiplex I/O space is selected, the address and data are multiplexed and output from the data bus. When CS3 space is an address/data multiplex I/O space, bus size is decided by the A14 bit (A14 = 0: 8 bit, A14 = 1: 16 bit). Bit 8 (IOE) Description 0 CS3 space is ordinary space (initial value) 1 CS3 space is address/data multiplex I/O space • Bit 7—CS3 Space Long Size Specification (A3LG): Specifies the CS3 space bus size. This is effective only when CS3 space is ordinary space. When CS3 space is an address/data multiplex I/O space, bus size is decided by the A14 bit. Bit 7 (A3LG) Description 0 According to the A3SZ bit specified value (initial value) 1 Longword (32 bit) size |
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