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參數(shù)資料
| 型號： | CL-PS7111 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | Low-Power System-on-a-Chip |
| 中文描述： | 低功耗系統(tǒng)級晶片 |
| 文件頁數(shù)： | 44/105頁 |
| 文件大?。?/td> | 1207K |
| 代理商： | CL-PS7111 |
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September 1997
43
PRELIMINARY DATA BOOK v2.0
MEMORY MAP
CL-PS7111
Low-Power System-on-a-Chip
4.
MEMORY MAP
The lower two Gbytes of the address space is allocated to ROM and expansion. The 0.5 Gbyte of address
space, 0xC000 0000–0xDFFF FFFF, is allocated to DRAM.The remaining Gbyte, minus 8K for the internal
registers, is not accessible in the CL-PS7111. Program the MMU of the CL-PS7111 to generate an abort
exception to access this area.
Internal peripherals addressed through a set of internal memory locations, 0x8000 0000–0x800 1FFF, are
the internal registers of the CL-PS7111.
Table 4-1
shows the mapping of the 4-Gbyte address range of the ARM710a microprocessor in the
CL-PS7111. Note that although 2 Kbytes of SRAM are available, the full address is decoded for the SRAM
segment starting at 0x6000 0000. The mapping in
Table 4-1
assumes that two CL-PS6700 PC CArd con-
trollers are connected. If this functionality is not required, the NCS[4] and NCS[5] memory is available as
general SRAM/flash/ROM/expansion space. The Boot ROM is not fully decoded; the boot code repeats
within the 256-Mbyte space from 0x7000 0000–0x8000 0000. THe SRAM is fully decoded so no data is
written or read from locations more than 2 Kbytes above the base address.
Table 4-1.
CL-PS7111 Memory Map
Address
Contents
Size
F000.0000
Unused
256 Mbytes
E000.0000
Unused
256 Mbytes
D000.0000
DRAM Bank 1
256 Mbytes
C000.0000
DRAM Bank 0
256 Mbytes
8000.2000
Unused
~1 Gbyte
8000.0000
Internal registers
8 Kbytes
7000.0000
Boot ROM
128 bytes
6000.0000
On-chip SRAM
2 Kbytes
5000.0000
PCMCIA-1 (NCS[5])
4*64 Mbytes
4000.0000
PCMCIA-0 (NCS[4])
4*64 Mbytes
3000.0000
Expansion (NCS[3])
256 Mbytes
2000.0000
Expansion (NCS[2])
256 Mbytes
1000.0000
ROM Bank 1 (NCS[1])
256 Mbytes
0000.0000
ROM Bank 0 (NCS[0])
256 Mbytes
相關(guān)PDF資料 |
PDF描述 |
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| CL-PS7111-VC-A | Low-Power System-on-a-Chip |
| CL-PS7500FE | System-on-a Chip for Internet Appliance |
| CL-SH8665 | Integrated ATA Drive microcontroller(集成ATA驅(qū)動微控制器) |
| CL1431 | Precision Adjustable Shunt Reference |
| CL1431D | Precision Adjustable Shunt Reference |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CL-PS7111(208LQFP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| CL-PS7111(256PBGA) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| CL-PS7111-VC-A | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Low-Power System-on-a-Chip |
| CL-PS7500FE | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:System-on-a Chip for Internet Appliance |
| CLPT-12SP-06 | 制造商:Tri-Star Electronics International 功能描述:CONNECTOR - Bulk |
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