参数资料
型号: ADE7166ASTZF16
厂商: Analog Devices Inc
文件页数: 111/152页
文件大小: 0K
描述: IC ENERGY METER 1PHASE 64LQFP
标准包装: 1
输入阻抗: *
测量误差: *
电压 - 高输入/输出: *
电压 - 低输入/输出: *
电流 - 电源: *
电源电压: *
测量仪表类型: *
工作温度: *
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
ADE7116/ADE7156/ADE7166/ADE7169/ADE7566/ADE7569
Table 106. Flash Write/Erase Protection 0 SFR (PROTB0, Address 0xBD)
Bit
[7:0]
Mnemonic
PROTB0
Default
0xFF
Description
This SFR is used to write the write/erase protection bits for Page 0 to Page 7 of the flash memory
(see the Protecting the Flash section). Clearing the bits 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 107. Flash Write/Erase Protection 1 SFR (PROTB1, Address 0xBE)
Bit
[7:0]
Mnemonic
PROTB1
Default
0xFF
Description
This SFR is used to write the write/erase protection bits for Page 8 to Page 15 of the flash memory
(see the Protecting the Flash section). Clearing the bits 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 108. Flash Read Protectio n SFR (PROTR, Address 0xBF)
Bit
[7:0]
Mnemonic
PROTR
Default
0xFF
Description
This SFR is used to write the read protection bits for Page 0 to Page 31 of the flash memory
(see the Protecting the Flash section). Clearing the bits enables the protection.
PROTR.7
Page 28 to
Page 31
PROTR.6
Page 24 to
Page 27
PROTR.5
Page 20 to
Page 23
PROTR.4
Page 16 to
Page 19
PROTR.3
Page 12 to
Page 15
PROTR.2
Page 8 to
Page 11
PROTR.1
Page 4 to
Page 7
PROTR.0
Page 0 to
Page 3
Table 109. Flash Low Byte Address SFR (EADRL, Address 0xC6)
Bit
[7:0]
Mnemonic
EADRL
Default
0
Description
Flash pointer low byte address. This SFR is also used to write the write/erase protection bits for Page 16
to Page 23 of the flash memory (see the Protecting the Flash section). Clearing the bits enables the
protection.
EADRL.7
Page 23
EADRL.6
Page 22
EADRL.5
Page 21
EADRL.4
Page 20
EADRL.3
Page 19
EADRL.2
Page 18
EADRL.1
Page 17
EADRL.0
Page 16
Table 110. Flash High Byte Address SFR (EADRH, Address 0xC7)
Bit
[7:0]
Mnemonic
EADRH
Default
0
Description
Flash Pointer High Byte Address. This SFR is also used to write the write/erase protection bits for Page 24
to Page 31 of the flash memory (see the Protecting the Flash section). Clearing the bits enables the
protection.
EADRH.7
Page 31
EADRH.6
Page 30
EADRH.5
Page 29
EADRH.4
Page 28
EADRH.3
Page 27
EADRH.2
Page 26
EADRH.1
Page 25
EADRH.0
Page 24
Flash Functions
The following sample 8052 code is provided to demonstrate
how to use the flash functions. For these examples, Flash
Memory Byte 0x3C00 is accessed.
Write Byte
Erase Page
Erase the page containing Flash Memory Byte 0x3C00.
MOV EADRH,#3Ch ; Select page through
byte address
MOV EADRL,#00h
Write 0xF3 into flash memory byte 0x3C00.
MOV FLSHKY,#3Bh
; Write Flash security
MOV EDATA,#F3h
MOV EADRH,#3Ch
MOV EADRL,#00h
MOV FLSHKY,#3Bh
key.
MOV ECON,#01h
; Data to be written
; Set up byte address
; Write Flash security
; Write Byte
key.
MOV ECON,#02h ; Erase Page
Rev. B | Page 111 of 1 52
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