s3c2410a Samsung Semiconductor, Inc., s3c2410a Datasheet - Page 206

• Manufacturer Part Number: s3c2410a
• Description: 16/32-bit Risc Arm Microprocessor
• Manufacturer: Samsung Semiconductor, Inc.

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