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SA-1110 Developer’s Manual 119
Memory and PC-Card Control Module 10
The supported memory types of the external memory bus interface of the Intel
®
StrongARM
*
SA-1110 Microprocessor are summarized in Table 10-1. Supported memory types include
fast-page-mode (FPM) and extended-data-out (EDO) asynchronous DRAMs, synchronous DRAM
(SDRAM), burst and nonburst ROMs, synchronous mask ROM (SMROM), burst and nonburst
Flash memory, SRAM, PC-Card expansion memory, and SRAM-like variable latency I/O devices.
It is programmable through the memory interface configuration registers. Figure 10-1 shows a
block diagram of the maximum configuration of the memory controller.
Table 10-1. Supported Memory Types
MEMORY TYPE INTERFACE SIZE
Synchronous DRAM (SDRAM) 16 or 32 bit
Synchronous Mask ROM (SMROM) 32 bit
Asynchronous Fast Page Mode (FPM) DRAM 16 or 32 bit
Asynchronous Extended Data Out Mode (EDO) DRAM 16 or 32 bit
Burst and Nonburst Flash 16 or 32 bit
SRAM 16 or 32 bit
PC-Card 8or16bit
PC-Card as Non-Standard Expansion Bus 32 bit
SRAM-like Variable Latency I/O Devices 16 or 32 bit