参数资料
型号: EVAL-ADE5169EBZ-2
厂商: Analog Devices Inc
文件页数: 112/156页
文件大小: 0K
描述: BOARD EVALUATION FOR AD5169
标准包装: 1
主要目的: 电源管理,电度表/功率表
嵌入式:
已用 IC / 零件: ADE5169
主要属性: 用于汇编语言和 C 代码的 IAR 工具
次要属性: 隔离和非隔离输出选项
已供物品: 板,软件
ADE5166/ADE5169/ADE5566/ADE5569
Data Sheet
Note that after the PROTKY has been activated by a reset, any
MOV ECON, #08H
;issue protection
further changes to the protection require the new 8-bit protection
key to be written to the PROTKY SFR prior to issuing the ECON
command. The PROTKY SFR is cleared automatically when the
ECON 0x08 command is issued and, therefore, the user must
command
;enable write/erase protection on last page
(this is required for any protection to be
activated)
ensure that the correct value is written to the PROTKY SFR
each time that the protection scheme is changed.
The most significant bit of 0xF7FF is used to enable the lock
mechanism for the watchdog (see the Watchdog Timer section
MOV EDATA, #0F7H
MOV EADRL, #0FFH
MOV FLSHKY, #3BH
MOV ECON, #08H
; clear bit WP123
; write address to F7FFh
; enable flash access
;issue protection
for more information).
The following code provides an example of how the write/erase
command
;set up PROTKY to A3h
protection can be enabled on the first page and the PROTKY set
to 0xA3. Note that to activate the following protection, the part
requires a reset.
; enable write/erase protection on the first
page only
MOV EDATA, #0A3H
MOV EADRL, #0EBH
MOV FLSHKY, #3BH
MOV ECON, #08H
command
; set PROTKY to A3h
; write address to F7EBh
; enable flash access
; issue protection
MOV EDATA, #0FEH
MOV EADRL, #0F0H
MOV FLSHKY, #3BH
; clear bit WP 0
; write address to F7F0h
; enable flash access
Note that after the PROTKY is changed to 0xA3, as shown in
the preceding example code, all future modifications of the pro-
tection scheme require that the PROTKY SFR be set to 0xA3
prior to issuing the ECON protection command.
WDOG
0xF7FF LOCK
WP
123
WP
122
WP
121
WP
120
WP
119
WP
111
WP
15
WP
7
WP
118
WP
110
WP
14
WP
6
WP
117
WP
109
WP
13
WP
5
WP
116
WP
108
WP
12
WP
4
WP
115
WP
107
WP
11
WP
3
WP
114
WP
106
WP
10
WP
2
WP
113
WP
105
WP
9
WP
1
WP
112
WP
104
WP
8
WP
0
0xF7EF
RP RP RP RP RP RP
120–123 116–119 112–115 108–111 104–107 100–103
RP
96–99
RP
92–95
RP
60–63
RP
28–31
RP
88–91
RP
56–59
RP
24–27
RP
84–87
RP
52–55
RP
20–23
RP
80–83
RP
48–51
RP
16–19
RP
76–79
RP
44–47
RP
12–15
RP
72–75
RP
40–43
RP
8–11
RP
68–71
RP
36–39
RP
4–7
RP
64–67
RP
32–35
RP
0–3
0xF7EB
PROTECTION KEY
PROTKY
0xF600
Figure 96. Flash Protection in Page 124
Rev. D | Page 112 of 156
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