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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMP93CS32F датащи(PDF) 66 Page - Toshiba Semiconductor |
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TMP93CS32F датащи(HTML) 66 Page - Toshiba Semiconductor |
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66 / 180 page  TMP93CS32 2004-02-10 93CS32-64 (Example of external memory connection) Figure 3.6.2 is an example in which an external memory is connected to the TMP93CS32. In this example, 128-Kbyte ROM is connected using 16 bits bus, and 256-Kbyte RAM using 16-bit bus. Figure 3.6.2 Example of External Memory Connection (ROM and RAM = 16 Bits) The TMP93CS32 has built-in ROM and RAM. When ROM and RAM have insufficient capacity, it is possible to connect an external memory as the example of the external memory connection. In this example, the memory configuration is as follows. Memory Memory Size Address Data Bus Internal 64 Kbytes FF0000H to FFFFFFH 16 bits ROM External 128 Kbytes 400000H to 41FFFFH 16 bits Internal 2 Kbytes 000080H to 00087FH 16 bits SRAM External 256 Kbytes 800000H to 83FFFFH 16 bits TMP93CS32 D Q LE D8 to D15 D0 to D7 OE CS D0 to D7 OE R/ W CS Upper byte D0 to D7 OE R/ W CS Lower byte Latch × 16 Decorder Address bus ROMCS RAMCS ROM (64 Kbits × 16) RAM (128 Kbits × 8) RAM (128 Kbits × 8) Upper address AD8 to AD15 AD0 to AD7 ALE RD HWR WR AM8/ AM16 EA |
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