s3c2410a Samsung Semiconductor, Inc., s3c2410a Datasheet - Page 209

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

SDRAM MODE REGISTER SET REGISTER (MRSR)
NOTE:
S3C2410A
Reserved
WBL
TM
CL
BT
BL
MRSRB6
MRSRB7
Register
MRSR
MRSR register must not be reconfigured while the code is running on SDRAM.
0x4800002C
[11:10]
0x48000030
In Power_OFF mode, SDRAM has to enter SDRAM self-refresh mode.
[8:7]
[6:4]
[2:0]
Address
Bit
[9]
[3]
Not used
Write burst length
0: Burst (Fixed)
1: Reserved
Test mode
00: Mode register set (Fixed)
01, 10 and 11: Reserved
CAS latency
000 = 1 clock,
Others: reserved
Burst type
0: Sequential (Fixed)
1: Reserved
Burst length
000: 1 (Fixed)
Others: Reserved
R/W
R/W
R/W
IMPORTANT NOTES
010 = 2 clocks,
Mode register set register bank6
Mode register set register bank7
Description
Description
011=3 clocks
MEMORY CONTROLLER
Reset Value
Initial State
xxx
xxx
xxx
xxx
xx
–
x
x
5-19