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MEMORY CONTROLLER S3C2440A RISC MICROPROCESSOR
5-18
BANKSIZE REGISTER
Register Address R/W Description Reset Value
BANKSIZE 0x48000028 R/W Flexible bank size register 0x0
BANKSIZE Bit Description Initial State
BURST_EN [7] ARM core burst operation enable.
0 = Disable burst operation.
1 = Enable burst operation.
0
Reserved [6] Not used 0
SCKE_EN [5]
SDRAM power down mode enable control by SCKE
0 = SDRAM power down mode disable
1 = SDRAM power down mode enable
0
SCLK_EN [4] SCLK is enabled only during SDRAM access cycle for
reducing power consumption. When SDRAM is not accessed,
SCLK becomes 'L' level.
0 = SCLK is always active.
1 = SCLK is active only during the access (recommended).
0
Reserved [3] Not used 0
BK76MAP [2:0] BANK6/7 memory map
010 = 128MB/128MB 001 = 64MB/64MB
000 = 32M/32M 111 = 16M/16M
110 = 8M/8M 101 = 4M/4M
100 = 2M/2M
010