Preliminary
S3C2451X RISC MICROPROCESSOR
I/O PORTS
11-47
DSCn (Drive Strength Control)
DSC2 Bit
Description
Reset
Value
Reserved [31:28]
Reserved
0x0
DSC_nFCE [27:26]
nFCE drive strength.
00: 5.2mA
01: 10.5mA
10: 15.7mA
11:
21.0mA
10
DSC_nFRE [25:24]
nFRE drive strength.
00: 5.2mA
01: 10.5mA
10: 15.7mA
11:
21.0mA
10
DSC_nFWE [23:22]
nFWE Drive strength.
00: 5.2mA
01: 10.5mA
10: 15.7mA
11:
21.0mA
10
DSC_ALE
[21:20]
ALE drive strength.
00: 5.2mA
01: 10.5mA
10: 15.7mA
11:
21.0mA
10
DSC_CLE
[19:18]
CLE drive strength.
00: 5.2mA
01: 10.5mA
10: 15.7mA
11:
21.0mA
10
Reserved [17:16]
Reserved
00
DSC_RSMAVD [15:14] RSMAVD drive strength.
00: 5.2mA
01: 10.5mA
10: 15.7mA
11:
21.0mA
10
DSC_RSMCLK [13:12] RSMCLK drive strength.
00: 5.2mA
01: 10.5mA
10: 15.7mA
11:
21.0mA
10
DSC_DQM3 [11:10]
DQM3 drive strength.
00: 4.9mA
01: 9.8mA
10: 14.8mA
11:
19.7mA
10
DSC_DQM2
[9:8]
DQM2 drive strength.
00: 4.9mA
01: 9.8mA
10: 14.8mA
11:
19.7mA
10
DSC_DQM1
[7:6]
DQM1 drive strength.
00: 4.9mA
01: 9.8mA
10: 14.8mA
11:
19.7mA
10
DSC_DQM0
[5:4]
DQM0 drive strength.
00: 4.9mA
01: 9.8mA
10: 14.8mA
11:
19.7mA
10
DSC_DQS1
[3:2]
DQS1 drive strength.
00: 4.9mA
01: 9.8mA
10: 14.8mA
11:
19.7mA
10
DSC_DQS0
[1:0]
DQS0 drive strength.
00: 4.9mA
01: 9.8mA
10: 14.8mA
11:
19.7mA
10