s3c2410a Samsung Semiconductor, Inc., s3c2410a Datasheet - Page 203

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

BUS WIDTH & WAIT CONTROL REGISTER (BWSCON)
S3C2410A
BWSCON
BWSCON
Register
WS7
DW7
WS6
DW6
WS5
DW5
WS4
DW4
WS3
DW3
ST7
ST6
ST5
ST4
ST3
ST2
[29:28]
[25:24]
[21:20]
[17:16]
[13:12]
0x48000000
[31]
[30]
[27]
[26]
[23]
[22]
[19]
[18]
[15]
[14]
[11]
Address
Bit
Determine SRAM for using UB/LB for bank 7.
0 = Not using UB/LB (The pins are dedicated nWBE[3:0])
1 = Using UB/LB (The pins are dedicated nBE[3:0])
Determine WAIT status for bank 7.
0 = WAIT disable
Determine data bus width for bank 7.
00 = 8-bit
Determine SRAM for using UB/LB for bank 6.
0 = Not using UB/LB (The pins are dedicated nWBE[3:0 )
1 = Using UB/LB (The pins are dedicated nBE[3:0])
Determine WAIT status for bank 6.
0 = WAIT disable,
Determine data bus width for bank 6.
00 = 8-bit
Determine SRAM for using UB/LB for bank 5.
0 = Not using UB/LB (The pins are dedicated nWBE[3:0])
1 = Using UB/LB (The pins are dedicated nBE[3:0])
Determine WAIT status for bank 5.
0 = WAIT disable,
Determine data bus width for bank 5.
00 = 8-bit
Determine SRAM for using UB/LB for bank 4.
0 = Not using UB/LB (The pins are dedicated nWBE[3:0])
1 = Using UB/LB (The pins are dedicated nBE[3:0])
Determine WAIT status for bank 4.
0 = WAIT disable
Determine data bus width for bank 4.
00 = 8-bit
Determine SRAM for using UB/LB for bank 3.
0 = Not using UB/LB (The pins are dedicated nWBE[3:0])
1 = Using UB/LB (The pins are dedicated nBE[3:0])
Determine WAIT status for bank 3.
0 = WAIT disable
Determine data bus width for bank 3.
00 = 8-bit
Determine SRAM for using UB/LB for bank 2.
0 = Not using UB/LB (The pins are dedicated nWBE[3:0])
1 = Using UB/LB (The pins are dedicated nBE[3:0].)
R/W
R/W
01 = 16-bit,
01 = 16-bit,
01 = 16-bit,
01 = 16-bit,
01 = 16-bit,
Bus width & wait status control register
1 = WAIT enable
1 = WAIT enable
1 = WAIT enable
1 = WAIT enable
1 = WAIT enable
Description
10 = 32-bit
10 = 32-bit
10 = 32-bit
10 = 32-bit
10 = 32-bit
Description
11 = reserved
11 = reserved
11 = reserved
11 = reserved
11 = reserved
MEMORY CONTROLLER
Reset Value
0x000000
Initial state
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5-13