Rainbow-electronics W90P710CDG Manual de usuario descargar pdf (Pagina 68)

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101

W90P710CD/W90P710CDG

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6.3.2.3 SDRAM Interface

MCLK

MCKE

nSCS[1:0]

nSRAS

nSCAS

nSWE

nSDQM[3:0]

A[21:0]

D[31:0]

A[10:0]

DQ[[31:0]

DQM[3:0]

nWE

nCAS

nRAS

nCS

BS0

BS1

CLK

CKE

W90P710

A13

A14

A[10:0]

nSCS0

SDRAM

64Mb 512Kx4x32

nSDQM[3:0]

Fig 6.3.1 SDRAM Interface

6.3.3 EBI Control Registers Map

EBICON

0xFFF0_1000

R/W EBI control register

0x0001_0000

ROMCON

0xFFF0_1004

R/W ROM/FLASH control register

0x0000_0XFC

SDCONF0 0xFFF0_1008 R/W SDRAM bank 0 configuration register

0x0000_0800

SDCONF1 0xFFF0_100C R/W SDRAM bank 1 configuration register

0x0000_0800

SDTIME0 0xFFF0_1010 R/W SDRAM bank 0 timing control register

0x0000_0000

SDTIME1

0xFFF0_1014

R/W SDRAM bank 1 timing control register

0x0000_0000

EXT0CON

0xFFF0_1018

R/W External I/O 0 control register

0x0000_0000

EXT1CON

0xFFF0_101C

R/W External I/O 1 control register

0x0000_0000

EXT2CON

0xFFF0_1020

R/W External I/O 2 control register

0x0000_0000

EXT3CON

0xFFF0_1024

R/W External I/O 3 control register

0x0000_0000

CKSKEW

0xFFF0_1F00

R/W Clock skew control register (for testing)

0xXXXX_0038

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 551 552

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Rainbow-electronics W90P710CDG Manual de usuario Pagina 68

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