Special Registers - Samsung S3C2500B User Manual

PRODUCT OVERVIEW

1.8 SPECIAL REGISTERS

Registers
SYSCFG 0xF0000000
PDCODE 0xF0000004
CLKCON 0xF0000008
PCLKDIS 0xF000000C
CLKST 0xF0000010
HPRIF 0xF0000014
HPRIR 0xF0000018
CPLL 0xF000001C
SPLL 0xF0000020
UPLL 0xF0000024
PPLL 0xF0000028
Registers
B0CON 0xF0010000
B1CON 0xF0010004
B2CON 0xF0010008
B3CON 0xF001000C
B4CON 0xF0010010
B5CON 0xF0010014
B6CON 0xF0010018
B7CON 0xF001001C
MUXBCON 0xF0010020
WAITCON 0xF0010024
Registers
CFGREG 0xF0020000
CMDREG 0xF0020004
REFREG 0xF0020008
WBTOREG 0xF002000C
1-32
Table 1-3. S3C2500B System Configuration
Address R/W
R/W
R
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
Table 1-4. S3C2500B Memory Controller
Address R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 1-5. S3C2500B SDRAM Controller
Address R/W
R/W
R/W
R/W
R/W
Description
System configuration register
Product code and revision number register
System clock control register
Peripheral clock disable register
Clock Status register
AHB bus master fixed priority register
AHB bus master round-robin priority register
Core PLL Configuration Register
System BUS PLL Configuration Register
USB PLL Configuration Register
PHY PLL Configuration Register
Description
Bank 0 control register
Bank 1 control register
Bank 2 control register
Bank 3 control register
Bank 4 control register
Bank 5 control register
Bank 6 control register
Bank 7 control register
Muxed bus control register
Wait control register
Description
SDRAM Configuration register
SDRAM Command register
Refresh timer register
Write buffer time-out register
S3C2500B
Reset Value
–
0x25000000
0x00000000
0x00000000
0x00543210
0x00000000
0x0001039E
0x00010370
0x00010328
0x000103111
Reset Value
0xC514E488
0xC514E488
0xC514E488
0xC514E488
0xC514E488
0xC514E488
0xC514E488
0xC514E488
0x006DB6DB
0x00000000
Reset Value
0x00099F0C
0x00000000
0x00000020
0x00000000