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ADE75 数据表(PDF) 97 Page - Analog Devices

部件名 ADE75
功能描述  Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
PDF  148 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE75 数据表(HTML) 97 Page - Analog Devices

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Preliminary Technical Data
ADE75xx/ADE71xx
Rev. PrE | Page 97 of 148
7
W/R
0
Read or Write LCD bit
If this bit is set, the data in LCDDAT will be written to the address
indicated by the bits LCDPTR[5 :0]
6
RESERVED
0
Reserved
5-0
ADDRESS
0
LCD Memory Address - See Table 85.
Table 83. LCD Data SFR (LCDDAT, 0xAE)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7-0
LCDDATA
0
Data to be written into or read out of the LCD Memory SFRs.
Table 84. LCD Segment Enable 2 SFR (LCDSEGE2, 0xED)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7-4
RESERVED
0
Reserved
FP19 Function Select bit
0
General Purpose I/O
3
FP19EN
0
1
LCD Function
FP18 Function Select bit
0
General Purpose I/O
2
FP18EN
0
1
LCD Function
FP17 Function Select bit
0
General Purpose I/O
1
FP17EN
0
1
LCD Function
FP16 Function Select bit
0
General Purpose I/O
0
FP16EN
0
1
LCD Function
Peripheral Configuration SFR (PERIPH, 0xF4)
Bit
Location
Bit
Mnemonic
Default
Value
Description
7
RXFLAG
0
If set, indicates that a RX Edge event triggered wakeup from PSM2
Indicates the power supply that is connected internally to VSW.
0 VSW=VBAT
6
VSWSOURCE
1
1 VSW=VDD
5
VDD_OK
1
If set, indicates that VDD power supply is ok for operation
4
PLL_FLT
0
If set, indicates that PLL is not locked
3
REF_BAT_EN
0
If set, Internal voltage reference enabled in PSM2 mode. This bit should be set if LCD On in
PSM2 mode.
2
Reserved
0
Controls the function of the P1.0/RX pin.
RXPROG [1:0]
Function
0
0
GPIO
0
1
RX with wakeup disabled
1-0
RXPROG[1:0]
00
1
1
RX with wakeup enabled



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