參數(shù)資料
型號: TUSB3410VF
英文描述: BUS CONTROLLER
中文描述: 總線控制器
文件頁數(shù): 21/92頁
文件大小: 317K
代理商: TUSB3410VF
4
1
4 MCU Memory Map (Internal Operation)
Figure 4
1 illustrates the MCU memory map under boot and normal operation. For more information regarding the
integrated 8052, see the
TUSBxxxx Microcontroller Reference Guide
(SLLU044).
NOTE:
The internal 256 bytes of RAM are not shown, since they are assumed to be in the standard
8052 location (0000 to 00FF). The shaded areas represent the internal ROM/RAM.
When SDW bit = 0 (boot mode):
The 10K ROM is mapped to address (0x0000
0x27FF) and is duplicated in location
(0x8000
0xA7FF) in code space. The internal 16K RAM is mapped to address range (0x0000
0x3FFF)
in data
space. Buffers, MMR, and I/O are mapped to address range (0xF800
0xFFFF) in data space.
When SDW bit = 1 (normal mode):
The 10K ROM is mapped to (0x8000
0xA7FF) in code space. The internal 166K
RAM is mapped to address range (0x0000
0x3FFFF) in code space. Buffers, MMR, and I/O are mapped to address
range (0xF800
0xFFFF) in data space.
Normal Mode (SDW = 1)
CODE
0000
XDATA
16K
Code RAM
Read Only
2K Data
MMR
10K Boot ROM
Boot Mode (SDW = 0)
CODE
XDATA
10K Boot ROM
2K Data
MMR
10K Boot ROM
(16K)
Read/Write
27FF
3FFF
8000
A7FF
F800
FF7F
FF80
FFFF
Figure 4
1. MCU Memory Map
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