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PM0214 bảng dữ liệu(PDF) 185 Page - STMicroelectronics

tên linh kiện PM0214
Giải thích chi tiết về linh kiện  This programming manual provides information
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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PM0214 bảng dữ liệu(HTML) 185 Page - STMicroelectronics

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DocID022708 Rev 4
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PM0214
Core peripherals
244
4.2.5
MPU type register (MPU_TYPER)
Address offset: 0x00
Reset value: 0x0000 0800
Required privilege: Privileged
The MPU_TYPER register indicates whether the MPU is present, and if so, how many
regions it supports.
31
3029
28
27
26
25
24
23
22
21
20
19
18
17
16
Reserved
IREGION[7:0]
rr
rrrr
r
r
15
14
13
12
11
10
9
8
76
54
3
21
0
DREGION[7:0]
Reserved
SEPA
RATE
r
rrrr
r
r
r
Bits 31:24
Reserved.
Bits 23:16
IREGION[7:0]: Number of MPU instruction regions.
These bits indicates the number of supported MPU instruction regions.
Always contains 0x00. The MPU memory map is unified and is described by the DREGION
field.
Bits 15:8
DREGION[7:0]: Number of MPU data regions.
These bits indicates the number of supported MPU data regions.
0x08: Eight MPU regions
0x00: MPU not present
Bits 7:1
Reserved.
Bit 0
SEPARATE: Separate flag.
This bit indicates support for unified or separate instruction and data memory maps:
0 = Unified
1 = Separate



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