參數(shù)資料
型號(hào): UPD70F3134AYF1-EN4
廠商: NEC Corp.
英文描述: 32-Bit Single-Chip Microcontrollers
中文描述: 32位單芯片微控制器
文件頁(yè)數(shù): 44/99頁(yè)
文件大?。?/td> 528K
代理商: UPD70F3134AYF1-EN4
CHAPTER 3 SPECIFICATIONS OF PCI HOST BRIDGE MACRO
Application Note U17121EJ1V1AN
44
3.5 Address Map
The address maps of the CPU memory space and PCI bus I/O or memory space are shown below.
Figure 3-3. CPU Memory Space/PCI Bus I/O Space Address Map
CPU memory space
PCI bus I/O space
I_CPU_CS1_B area
PCI I/O area
FFFFH
0000H
FFFF FFFFH
IO_BASE[31:16] + FFFFH
IO_BASE[31:16] + 0000H
0000 0000H
64 KB
PCI bus I/O space
64 KB
Figure 3-4. CPU Memory Space/PCI Bus Memory Space Address Map
PCI bus memory space
CPU memory space
I_CPU_CS2_B area
Main memory
(SDRAM) area
Main memory space
PCI memory area
FFFFFH
00000H
FFFF FFFFH
M_BASE[31:16] + FFFFFH
M_BASE[31:16] + 00000H
S_BASE[31:16] + S_RANGE[31:16] + FFFFH
S_BASE[31:16] + S_RANGE[31:16] + 0000H
0000 0000H
1 MB
PCI memory space
1 MB
O_SD_CS_B output
when accessing from
PCI host bridge
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