9
EVE2 TFT Module
6
Electrical Characteristics
6.1
Absolute Maximum Ratings
Table 7: EVE2 Module Limiting Values
Item
Value
Unit
Storage Temperature
-30 to 80
°C
Ambient Temperature (Power Applied) -20 to +70
°C
VCC Supply Voltage
0 to +4
V
DC Input Voltage
-0.5 to + (VCCIO + 0.3)
V
6.2
DC Characteristics
Table 8: EVE2 DC characteristics
Item
Description
Min.
Typ.
Max.
Unit
Conditions
VCC
VCC operating supply voltage
2.97
3.30
3.63
V
Normal Operation
Icc1
Power Down Current
-
0.17
-
mA
Power down mode
Icc2
Sleep Current
-
0.76
-
mA
Sleep Mode
Icc3
Standby Current
-
1.8
-
mA
Standby Mode
Icc4
Operating Current
-
22
-
mA
Normal Operations
6.3
Digital I/O Pin Characteristics
Table 9: Digital I/O Specifications
Parameter
Description
Min
Typ.
Max
Units
Conditions
Voh
Output Voltage High
VCCIO- 0.4
3.3V-
-
V
Ioh=5mA
Vol
Output Voltage Low
-
-
0.4
V
Iol=5mA
Vih
Input High Voltage
2.0
-
-
V
Vil
Input Low Voltage
-
-
0.8
V
Vth
Schmitt Hysteresis Voltage
0.22
-
0.3
V
Iin
Input leakage current
-10
-
10
uA
Vin = VCCIO or 0
Ioz
Tri-state output leakage current
-10
-
10
uA
Vin = VCCIO or 0
Rpu
Pull-up resistor
-
42
-
kΩ
Rpd
Pull-down resistor
-
44
-
kΩ
6.4
Touch Sense Characteristics
Table 10: Touch Panel characteristics
Parameter
Description
Min
Typ. Max
Units
Conditions
Rsw-on
X-,X+,Y- and Y+
Drive On resistance
-
6
10
Ω
VCCIO=3.3V
Rsw-off
X-,X+,Y- and Y+
Drive Off resistance
10
-
-
MΩ
Rpu
Touch sense pull up resistance
78
100
125
kΩ
Vth+
Touch Detection rising-edge threshold
on XP pin
1.59
-
2.04
V
VCCIO=3.3V
Vth-
Touch Detection falling-edge threshold
on XP pin
1.23
-
1.55
V
VCCIO=3.3V
Rl
X-axis and Y-axis drive load resistance
200
-
-
Ω
