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TUSB3210 датащи(PDF) 13 Page - Texas Instruments

номер детали TUSB3210
подробное описание детали  UNIVERSAL SERIAL BUS GENERAL-PURPOSE DEVICE CONTROLLER
PDF  44 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

TUSB3210 датащи(HTML) 13 Page - Texas Instruments

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2–1
2 Functional Description
2.1
MCU Memory Map
Figure 2–1 illustrates the MCU memory map under boot and normal operation. It must be noted that the internal 256
bytes of IDATA are not shown since it is 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 6k-ROM is mapped to address (0000–17FF) and is duplicated in location
(8000–97FF) in code space. The internal 8k-RAM is mapped to address range (0000–1FFF) in data space. Buffers,
MMR and I/O are mapped to address range (FD80–FFFF) in data space.
When SDW bit = 1 (Normal mode): The 6k-ROM is mapped to (8000–97FF) in code space. The internal 8k-RAM
is mapped to address range (0000–1FFF) code space. Buffers, MMR and I/O are mapped to address range
(FD80–FFFF) in data space.
Boot Mode (SDW = 0)
Normal Mode (SDW = 1)
CODE
XDATA
CODE
XDATA
0000
6k Boot ROM
6k Boot ROM
8k
8k
17FF
8k
RAM
8k
Code RAM
RAM
Read/Write
Code RAM
Read Only
1FFF
8000
6k Boot ROM
6k Boot ROM
6k Boot ROM
6k Boot ROM
97FF
FD80
512 Bytes
512 Bytes
512 Bytes
RAM
512 Bytes
RAM
FF80
MMR
MMR
FFFF
MMR
MMR
Figure 2–1. MCU Memory Map (TUSB3210)



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