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ADE75 数据表(PDF) 105 Page - Analog Devices

部件名 ADE75
功能描述  Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
PDF  148 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE75 数据表(HTML) 105 Page - Analog Devices

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Preliminary Technical Data
ADE75xx/ADE71xx
Rev. PrE | Page 105 of 148
Location
Mnemonic
Value
7-0
PROTB0
0xFF
This SFR is used to write the write/erase protection bits for pages 0 to 7 of
the Flash memory – see Protecting the Flash. Clearing the bit enables the
protection.
PROTB0.7: Page 7
PROTB0.6: Page 6
PROTB0.5: Page 5
PROTB0.4: Page 4
PROTB0.3: Page 3
PROTB0.2: Page 2
PROTB0.1: Page 1
PROTB0.0: Page 0
Table 92. Flash Write/Erase Protection 1 SFR (PROTB1, 0xBE)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7-0
PROTB1
0xFF
This SFR is used to write the write/erase protection bits for pages 8 to 15 of
the Flash memory – see Protecting the Flash. Clearing the bit enables the
protection.
PROTB1.7: Page 15
PROTB1.6: Page 14
PROTB1.5: Page 13
PROTB1.4: Page 12
PROTB1.3: Page 11
PROTB1.2: Page 10
PROTB1.1: Page 9
PROTB1.0: Page 8
Table 93. Flash Read Protection SFR (PROTR, 0xBF)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7-0
PROTR
0xFF
This SFR is used to write the read protection bits for pages 0 to 31 of the
Flash memory – see Protecting the Flash. Clearing the bit enables the
protection.
PROTR.7: Page 28 to 31
PROTR.6: Page 24 to 27
PROTR.5: Page 20 to 23
PROTR.4: Page 16 to 19
PROTR.3: Page 12 to 15
PROTR.2: Page 8 to 11
PROTR.1: Page 4 to 7
PROTR.0: Page 0 to 3
Table 94. Flash Low Byte Address SFR (EADRL, 0xC6)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7-0
EADRL
0
Flash pointer low byte address
This SFR is also used to write the write/erase protection bits for pages 16
to 23 of the Flash memory – see Protecting the Flash. Clearing the bit
enables the protection.
EADRL.7: Page 23
EADRL.6: Page 22
EADRL.5: Page 21



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