參數(shù)資料
型號： KS8695X
廠商： Micrel Inc
文件頁數(shù)： 19/39頁
文件大?。?/td> 0K
描述： IC SWITCH 10/100 5PORT 208PQFP
標(biāo)準(zhǔn)包裝： 24
類型： 網(wǎng)關(guān)
應(yīng)用： 網(wǎng)絡(luò)和通信
安裝類型： 表面貼裝
封裝/外殼： 208-MQFP，208-PQFP
供應(yīng)商設(shè)備封裝： 208-PQFP（28x28）
包裝： 托盤
配用： KS8695-EVAL-ND - EVAL KIT EXPERIMENTAL KS8695
576-1005-ND - BOARD EVAL EXPERIMENT KS8695X
KS8695X
Micrel
M9999-102604
26
October 2004
Address Map and Register Description
Memory Map
Upon power up, the KS8695X memory map is configured as shown below.
Address Range
Region
Description
0x03FF0000-0x03FFFFFF
64KB
KS8695X System Configuration Register Space
0x02000000-0x03FEFFFF
32MB
Not Configured
0x00000000-0x01FFFFFF
32MB
Flash Bank 0
Memory Map Example
The default base address for the KS8695X system configuration registers is 0x03ff0000. After power up, the user is free to
remap the memory for their specific application. The following is an example of the memory space remapped for operation.
Address Range
Region
Description
0x03FF0000-0x03FFFFFF
64KB
KS8695X System Configuration Register Space
0x02900000-0x03FEFFFF
23MB
Spare (External I/O)
0x02100000-0x028FFFFF
8MB
FLASH
0x00100000-0x020FFFFF
32MB
SDRAM
0x00000000-0x0007FFFF
512KB
SRAM
Register Description
The KS8695X system configuration registers (SCRs) are located in a block of 64KB in the host memory address space. After
power up and initialization, the user can remap the SCRs to a desired offset. The SCRs are 32 bits wide. They are 32 bit word-
aligned and must be accessed using word instructions. A description of the KS8695X system configuration registers follows.
For bit definitions, please see the detailed "Register Description" section.
Address
Description
Mode
Size
System Registers
0x0000
System Configuration Register
R/W
[31:0]
0x0004
System Clock and Bus Control Register
R/W
[31:0]
Memory Controller Interface Registers
0x4000
External I/O Access Control Register 0
R/W
[31:0]
0x4004
External I/O Access Control Register 1
R/W
[31:0]
0x4008
External I/O Access Control Register 2
R/W
[31:0]
0x4010
ROM/SRAM/FLASH Control Register 0
R/W
[31:0]
0x4014
ROM/SRAM/FLASH Control Register 1
R/W
[31:0]
0x4020
ROM/SRAM/FLASH General Register
R/W
[31:0]
0x4030
SDRAM Control Register 0
R/W
[31:0]
0x4034
SDRAM Control Register 1
R/W
[31:0]
0x4038
SDRAM General Control Register
R/W
[31:0]
0x403C
SDRAM Buffer Control Register
R/W
[31:0]
0x4040
SDRAM Refresh Timer Register
R/W
[31:0]
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