Data Sheet

Copyright © Bridgetek Pte Ltd 50
BT81X (815/6) Advanced Embedded Video Engine Datasheet
Version 1.0
Document No.: BRT_000220 Clearance No.: BRT#126
Vth
Schmitt
Hysteresis
Voltage
0.2
-
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
-
57
-
kΩ
Rpd
Pull-down resistor
-
59
-
kΩ
Table 6-5 Digital I/O Pin Characteristics (VCCIO = +2.5V)
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
Voh
Output Voltage
High
VCCIO-0.4
-
-
V
Ioh=5mA
Vol
Output Voltage
Low
-
-
0.4
V
Iol=5mA
Vih
Input High
Voltage
1.2
-
-
V
-
Vil
Input Low
Voltage
-
-
0.6
V
-
Vth
Schmitt
Hysteresis
Voltage
0.17
-
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
-
90
-
kΩ
Rpd
Pull-down resistor
-
97
-
kΩ
Table 6-6 Digital I/O Pin Characteristics (VCCIO = +1.8V)
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
Rsw-on
X-,X+,Y- and Y+
Drive On
resistance
-
6
10
Ω
VCCIO=3.3V
-
9
16
Ω
VCCIO=1.8V
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
1.59
-
2.04
V
VCCIO=3.3V
0.58
-
0.68
V
VCCIO=1.8V