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参数资料
| 型号： | ADE7518ASTZF16 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 89/128页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER MCU 16K 64LQFP |
| 产品变化通告： | Product Discontinuance 27/Oct/2011 |
| 特色产品： | ADE7518: Single-phase Energy-Measurement IC |
| 标准包装： | 160 |
| 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 |
| 产品目录页面： | 797 (CN2011-ZH PDF) |
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ADE7518
ECON—Flash/EE Memory Control SFR
Programming flash memory is done through the Flash Control
SFR (ECON, 0xB9). This SFR allows the user to read, write, erase,
or verify the 16 kB of flash memory. As a method of security, a
key must be written to the FLSHKY register to initiate any user
access to the flash memory. Upon completion of the flash memory
operation, the FLSHKY register is reset so that it must be written
to prior to another flash memory operation. Requiring the key
to be set before an access to the flash memory decreases the
likelihood of user code or data being overwritten by a program
inappropriately modified during its execution.
Table 81. Flash Control SFR (ECON, 0xB9)
The program counter (PC) is held on the instruction where the
ECON register is written to until the flash memory controller is
done performing the requested operation. Then, the PC incre-
ments to continue with the next instruction.
Any interrupt requests that occur while the flash controller is
performing an operation are not handled until the flash operation
is complete. All peripherals, such as timers and counters, continue
to operate as configured throughout the flash memory access.
Bit
7 to 0
Mnemonic
ECON
Value
1
Description
Write Byte. The value in EDATA is written to the flash memory at the page address given by EADRH and
EADRL. Note that the byte being addressed must be pre-erased.
2
3
4
5
8
Erase Page. A 512-byte page of flash memory address is erased. The page is selected by the address in
EADRH/EADRL. Any address in the page can be written to EADRH/EADRL to select it for erasure.
Erase All. All 16 kB of the flash memory are erased. Note that this command is used during serial and
parallel download modes but should not be executed by user code.
Read Byte. The byte in the flash memory addressed by EADRH/EADRL is read into EDATA.
Erase Page and Write Byte. The page that holds the byte addressed by EADRH/EADRL is erased. Data in
EDATA is then written to the byte of flash memory addressed by EADRH/EADRL.
Protect Code (see the Protecting the Flash Memory section).
Table 82. Flash Key SFR (FLSHKY, 0xBA)
Bit
7 to 0
Mnemonic
FLSHKY
Default
0xFF
Description
The content of this SFR is compared to the flash key, 0x3B. If the two values match, the next ECON
operation is allowed (see the Protecting the Flash Memory section).
Table 83. Flash Protection Key SFR (PROTKY, 0xBB)
Bit
7 to 0
Mnemonic
PROTKY
Default
0xFF
Description
The content of this SFR is compared to the flash memory location at Address 0x3FFA. If the two values
match, the update of the write/erase and read protection setup is allowed (see the Protecting the Flash
Memory section).
If the protection key in the flash is 0xFF, the PROTKY SFR value is not used for comparison. This SFR is
also used to write the protection key in the flash. This is done by writing the desired value in PROTKY
and by writing 0x08 in the ECON SFR. This operation can only be done once.
Table 84. Flash Data SFR (EDATA, 0xBC)
Bit
7 to 0
Mnemonic
EDATA
Default
0
Description
Flash Pointer Data.
Table 85. Flash Write/Erase Protection 0 SFR (PROTB0, 0xBD)
Bit
7 to 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 Memory section). Clearing the bits enables the protection.
PROTB0.7
PROTB0.6 PROTB0.5 PROTB0.4 PROTB0.3 PROTB0.2 PROTB0.1 PROTB0.0
Page 7 Page 6 Page 5 Page 4 Page 3 Page 2 Page 1 Page 0
Table 86. Flash Write/Erase Protection 1 SFR (PROTB1, 0xBE)
Bit
7 to 0
Mnemonic
PROTB1
Default
0xFF
Description
This SFR is used to write the write/erase protection bits for Page 8 to Page15 of the flash memory
(see the Protecting the Flash Memory section). Clearing the bits enables the protection.
PROTB1.7 PROTB1.6 PROTB1.5 PROTB1.4 PROTB1.3 PROTB1.2 PROTB1.1 PROTB1.0
Page 15 Page 14 Page 13 Page 12 Page 11 Page 10 Page 9 Page 8
Rev. 0 | Page 89 of 128
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| ADE7518ASTZF16-RL | 功能描述:IC ENERGY METER MCU 16K 64LQFP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
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