参数资料
型号: EVAL-ADUC7126QSPZ
厂商: Analog Devices Inc
文件页数: 51/108页
文件大小: 0K
描述: BOARD EVALUATION FOR ADUC7126
设计资源: EVAL-ADUC7126 Schematic
ADUC7126 Gerber Files
标准包装: 1
系列: MicroConverter® ADuC7xxx
类型: MCU
适用于相关产品: ADUC7126
所含物品:
Data Sheet
ADuC7124/ADuC7126
Rev. C | Page 47 of 108
Table 54. FEExMOD MMR Bit Descriptions
Bit
Description
[7:5]
Reserved.
4
Flash/EE interrupt enable.
Set by the user to enable the Flash/EE interrupt. The interrupt occurs when a command is complete.
Cleared by the user to disable the Flash/EE interrupt.
3
Erase/write command protection.
Set by the user to enable the erase and write commands.
Cleared to protect the Flash/EE memory against the erase/write command.
2
Reserved. Should always be set to 0 by the user.
[1:0]
Flash/EE wait states. Both Flash/EE blocks must have the same wait state value for any change to take effect.
Table 55. Command Codes in FEExCON
Code
Command
Description
0x001
Null
Idle state.
0x011
Single read
Load FEExDAT with the 16-bit data indexed by FEExADR.
0x021
Single write
Write FEExDAT at the address pointed to by FEExADR. This operation takes 50 μs.
0x031
Erase/write
Erase the page indexed by FEExADR and write FEExDAT at the location pointed to by FEExADR. This operation
takes 20 ms.
0x041
Single verify
Compare the contents of the location pointed to by FEExADR to the data in FEExDAT. The result of the
comparison is returned in FEExSTA, Bit 1.
0x051
Single erase
Erase the page indexed by FEExADR.
0x061
Mass erase
Erase user space. The 2 kB of kernel are protected in Block 0. This operation takes 2.48 sec. To prevent accidental
execution, a command sequence is required to execute this instruction.
0x07
Reserved
Reserved.
0x08
Reserved
Reserved.
0x09
Reserved
Reserved.
0x0A
Reserved
Reserved.
0x0B
Signature
Gives a signature of the 64 kB of Flash/EE in the 24-bit FEExSIGN MMR. This operation takes 32,778 clock cycles.
0x0C
Protect
This command can be run only once. The value of FEExPRO is saved and can be removed only with a mass erase
(0x06) or with the key.
0x0D
Reserved
Reserved.
0x0E
Reserved
Reserved.
0x0F
Ping
No operation, interrupt generated.
1 The FEExCON register always reads 0x07 immediately after execution of any of these commands.
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