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S1D13505 Datasheet(PDF) 17 Page - Epson Company |
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S1D13505 Datasheet(HTML) 17 Page - Epson Company |
17 / 565 page Page 12 Epson Research and Development Vancouver Design Center S1D13505 Hardware Functional Specification X23A-A-001-14 Issue Date: 01/02/02 2 Features 2.1 Memory Interface • 16-bit DRAM interface: • EDO-DRAM up to 40MHz data rate (80M bytes/sec.). • FPM-DRAM up to 25MHz data rate (50M bytes/sec.). • Memory size options: • 512K bytes using one 256K ×16 device. • 2M bytes using one 1M ×16 device. • Performance Enhancement Register to tailor the memory control output timing for the DRAM device. 2.2 CPU Interface • Supports the following interfaces: • 8/16-bit SH-4 bus interface. • 8/16-bit SH-3 bus interface. • 8/16-bit interface to 8/16/32-bit MC68000 microprocessors/microcontrollers. • 8/16-bit interface to 8/16/32-bit MC68030 microprocessors/microcontrollers. • Philips PR31500/PR31700 (MIPS). • Toshiba TX3912 (MIPS) • 16-bit Power PC (MPC821) microprocessor. • 16-bit Epson E0C33 microprocessor. • PC Card (PCMCIA). • StrongARM (PC Card). • NEC VR41xx (MIPS). • ISA bus. • Supports the following interface with external logic: • GX486 microprocessor. • One-stage write buffer for minimum wait-state CPU writes. • Registers are memory-mapped – the M/R# pin selects between the display buffer and register address space. • The complete 2M byte display buffer address space is addressable as a single linear address space through the 21-bit address bus. |
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