參數(shù)資料
型號： ADE7169ASTF16
廠商： ANALOG DEVICES INC
元件分類： 模擬信號調(diào)理
英文描述： Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
中文描述： ANALOG CIRCUIT, PQFP64
封裝： MS-026BCD, LQFP-64
文件頁數(shù)： 25/140頁
文件大?。?/td> 1359K
代理商： ADE7169ASTF16
Preliminary Technical Data
ADE7169F16
Table 18. Scratch Pad 2 SFR (SCRATCH2, 0xFC)
Bit
Location
Mnemonic
7-0
SCRATCH2
Rev. PrD | Page 25 of 140
Bit
Default
Value
0
Description
Value can be written/read in this register. This value will be maintained in all the power
saving modes of the ADE7169F16
Table 19. Scratch Pad 3 SFR (SCRATCH3, 0xFD)
Bit
Location
Mnemonic
7-0
SCRATCH3
Bit
Default
Value
0
Description
Value can be written/read in this register. This value will be maintained in all the power
saving modes of the ADE7169F16
Table 20. Scratch Pad 4 SFR (SCRATCH4, 0xFE)
Bit
Location
Mnemonic
7-0
SCRATCH4
Bit
Default
Value
0
Description
Value can be written/read in this register. This value will be maintained in all the power
saving modes of the ADE7169F16
Table 21. Power Control SFR (POWCON, 0xC5)
Bit
Location
Mnemonic
7-5
RESERVED
Bit
Default
Value
0
Description
4
COREOFF
0
Set this bit to shut down the core if in the PSM1 operating mode.
3
2-0
RESERVED
CD[2:0]
010
Controls the core clock frequency, F
core
. F
core
=4.096MHz/2
CD
CD[2:0]
F
core
(MHz)
0
0
0
4.096
0
0
1
2.048
0
1
0
1.024
0
1
1
0.512
1
0
0
0.256
1
0
1
0.128
1
1
0
0.064
1
1
1
0.032
Note: Writing data to the POWCON SFR involves a double instruction sequence. Global interrupts must first be disabled to ensure that
the two instructions occur consecutively. The KYREG SFR is set to 0xA7 and immediately followed by a write to the POWCON SFR. For
example:
CLR EA
;Disable Interrupts while configuring to WDT
MOV KYREG,#0A7h
;Write KYREG to 0xA7 to get write access to the POWCON SFR
MOV POWCON, #10H
;Shutdown the core
NOP
NOP
POWER SUPPLY ARCHITECTURE
ADE7169F16 has two power supply inputs, V
DD
and V
BAT
, and
requires only a single 3.3V power supply at V
DD
for full
operation. A battery backup, or secondary power supply, with a
maximum of 3.6V can be connected to the V
BAT
input.
Internally, the ADE7169F16 connects V
DD
or V
BAT
to V
SW
, which
is used to derive the power for the ADE7169F16 circuitry. The
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