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MEMORY CONTROLLER S3C2410A
5-16
BANK CONTROL REGISTER (BANKCONn: nGCS6-nGCS7)
Register Address R/W Description Reset Value
BANKCON6 0x4800001C R/W Bank 6 control register 0x18008
BANKCON7 0x48000020 R/W Bank 7 control register 0x18008
BANKCONn Bit Description Initial State
MT [16:15] Determine the memory type for bank6 and bank7.
00 = ROM or SRAM 01 = Reserved (Do not use)
10 = Reserved (Do not use) 11 = Sync. DRAM
11
Memory Type = ROM or SRAM [MT=00] (15-bit)
Tacs [14:13] Address set-up time before nGCS
00 = 0 clock 01 = 1 clock 10 = 2 clocks 11 = 4
clocks
00
Tcos [12:11] Chip selection set-up time before nOE
00 = 0 clock 01 = 1 clock 10 = 2 clocks 11 = 4
clocks
00
Tacc [10:8] Access cycle
000 = 1 clock 001 = 2 clocks
010 = 3 clocks 011 = 4 clocks
100 = 6 clocks 101 = 8 clocks
110 = 10 clocks 111 = 14 clocks
111
Tcoh [7:6] Chip selection hold time after nOE
00 = 0 clock 01 = 1 clock
10 = 2 clocks 11 = 4 clocks
00
Tcah [5:4] Address hold time after nGCSn
00 = 0 clock 01 = 1clock 10 = 2 clocks 11 = 4 clocks
00
Tacp [3:2]
Page mode access cycle @ Page mode
00 = 2 clocks 01 = 3 clocks
10 = 4 clocks 11 = 6 clocks
00
PMC [1:0] Page mode configuration
00 = normal (1 data) 01 = 4 consecutive accesses
10 = 8 consecutive accesses 11 = 16 consecutive accesses
00
Memory Type = SDRAM [MT=11] (4-bit)
Trcd [3:2] RAS to CAS delay
00 = 2 clocks 01 = 3 clocks 10 = 4 clocks
10
SCAN [1:0] Column address number
00 = 8-bit 01 = 9-bit 10= 10-bit
00