W90P710_05 Datasheet, PDF (69/526 Pages) Winbond – 16/32-bit ARM microcontroller

W90P710
7.3.2.3. SDRAM Interface
A [2 1 :0 ]
D [31:0]
MCLK
MCKE
n S C S [1 :0 ]
nSRAS
nSCAS
nSW E
nSDQM [3:0]
A [1 0 :0 ]
A13
A14
nSCS0
nSD QM [3:0]
A [1 0 :0 ]
BS0
BS1
DQ [[31:0]
CLK
CKE
nCS
nRAS
nCAS
nW E
DQ M [3:0]
W 90P710
Fig 7.3.1 SDRAM Interface
SDRAM
64Mb 512Kx4x32
7.3.3 EBI Control Registers Map
REGISTER
EBICON
ROMCON
ADDRESS
0xFFF0_1000
0xFFF0_1004
R/W
DESCRIPTION
R/W EBI control register
R/W ROM/FLASH control register
SDCONF0 0xFFF0_1008 R/W SDRAM bank 0 configuration register
SDCONF1 0xFFF0_100C R/W SDRAM bank 1 configuration register
SDTIME0 0xFFF0_1010 R/W SDRAM bank 0 timing control register
SDTIME1
EXT0CON
EXT1CON
EXT2CON
EXT3CON
CKSKEW
0xFFF0_1014
0xFFF0_1018
0xFFF0_101C
0xFFF0_1020
0xFFF0_1024
0xFFF0_1F00
R/W SDRAM bank 1 timing control register
R/W External I/O 0 control register
R/W External I/O 1 control register
R/W External I/O 2 control register
R/W External I/O 3 control register
R/W Clock skew control register (for testing)
RESET VALUE
0x0001_0000
0x0000_0XFC
0x0000_0800
0x0000_0800
0x0000_0000
0x0000_0000
0x0000_0000
0x0000_0000
0x0000_0000
0x0000_0000
0xXXXX_0038
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Publication Release Date: January 17, 2005
Revision A.2