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ADE7518
DIGITAL INTERFACE
Table 3.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
LOGIC INPUTS
All Inputs Except XTAL1, XTAL2, BCTRL,
INT0, INT1, RESET
Input High Voltage, V INH
Input Low Voltage, V INL
BCTRL, INT0, INT1, RESET
Input High Voltage, V INH
Input Low Voltage, V INL
Input Currents
2.0
1.3
0.4
0.4
V
V
V
V
RESET
Port 0, Port 1, Port 2
?3.75
100
±100
?8.5
nA
nA
μA
RESET = V SWOUT = 3.3 V
Internal pull-up disabled, input = 0 V or V SWOUT
Internal pull-up enabled, input = 0 V, V SWOUT = 3.3 V
Input Capacitance
10
pF
All digital inputs
FLASH MEMORY
Endurance 1
10,000
Cycles
Data Retention 2
20
Years
T J = 85°C
CRYSTAL OSCILLATOR
Crystal Equivalent Series Resistance
30
50
kΩ
Crystal Frequency
XTAL1 Input Capacitance
XTAL2 Output Capacitance
MCU CLOCK RATE (f CORE )
32
32.768
12
12
4.096
32
33.5
kHz
pF
pF
MHz
kHz
Crystal = 32.768 kHz and CD[2:0] = 0b000
Crystal = 32.768 kHz and CD[2:0] = 0b111
LOGIC OUTPUTS
Output High Voltage, V OH
I SOURCE
2.4
80
V
μA
V DD = 3.3 V ± 5%
Output Low Voltage, V OL3
I SINK
0.4
2
V
mA
V DD = 3.3 V ± 5%
START-UP TIME 4
PSM0 Power-On Time
448
ms
V DD at 2.75 V to PSM0 code execution
From Power Saving Mode 1 (PSM1)
PSM1 → PSM0
130
ms
V DD at 2.75 V to PSM0 code execution
From Power Saving Mode 2 (PSM2)
PSM2 → PSM1
PSM2 → PSM0
48
186
ms
ms
Wake-up event to PSM1 code execution
V DD at 2.75 V to PSM0 code execution
POWER SUPPLY INPUTS
V DD
V BAT
3.13
2.4
3.3
3.3
3.46
3.7
V
V
INTERNAL POWER SUPPLY SWITCH (V SWOUT )
V BAT to V SWOUT On Resistance
V DD to V SWOUT On Resistance
V BAT ←→ V DD Switching Open Time
BCTRL State Change and Switch Delay
40
18
22
10.2
Ω
Ω
ns
μs
V BAT = 2.4 V
V DD = 3.13 V
V SWOUT Output Current Drive
1
6
mA
POWER SUPPLY OUTPUTS
V INTA
V INTD
V INTA Power Supply Rejection
V INTD Power Supply Rejection
2.25
2.3
60
50
2.75
2.70
V
V
dB
dB
Rev. 0 | Page 7 of 128
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