Data sheet, Electrical characteristics (continued) – Diodes AUR3852 User Manual
Page 13
Data Sheet
Enhanced Multi-touch Capacitive Touch Screen Controller AUR3852
Feb. 2013 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
13
Electrical Characteristics (Continued)
DA/AC Characteristics for 8051 CPU Core, Digital GPIO pins, Digital Peripherals, and
IOSC
T
A
=–40°C to 85°C, V
DD
=2.8V to 3.6V, unless otherwise noted.
Parameter Symbol
Min Typ Max Unit
Note
Power Supply Current
Normal Mode Supply Current
Using IOSC up to 24MHz
I
DD
, normal IOSC1
7
mA
2
Normal Mode Supply Current
Using IOSC<4MHz
I
DD
, normal IOSC2
2.5
mA
2
PMM Mode Supply Current Using
IOSC up to 24MHz
I
DD
, PMM IOSC1
2.5
mA
2
PMM Mode Supply Current Using
IOSC<4MHz
I
DD
, PMM IOSC2
0.5
mA
2
Idle Mode Supply Current Using
IOSC up to 24MHz
I
DD
, idle IOSC1
2.5
mA
2
Stop Mode Supply Current Using
IOSC Keeps Low, V
DDEN
=low
I
DD
,
stop
3
µA
2
Digital GPIO Characteristics
High Level Input Voltage
V
IH
2
3.6
V
3
V
IH
, SDA/SCL
1.6
3.6
V
3
Low Level Input Voltage
V
IL
-0.3
0.8
V
3
V
IL
, SDA/SCL
-0.3
0.5
V
3
High Level Output Voltage
V
OH
2.4
V
Low Level Output Voltage
V
OL
0.4
V
High Level Output Current
@V
OH
(min)
I
OH
(2mA) 3.0
7.8
12.9
mA
I
OH
(4mA) 7.7
15.6
25.8
mA
Low Level Output Current
@V
OL
(max)
I
OL
(2mA) 3.4
5.4
7.4
mA
I
OL
(4mA) 6.7
10.7
14.7
mA
Input Pull Up Resistance
R
PU
34 74
k
Ω
3
Input Pull Down Resistance
R
PD
29 86
k
Ω
3
Input Low to High Level, RSTN
V
IH
, RSTN
1.56
1.71
V
4
Input High to Low Level, RSTN
V
IL
, RSTN
1.16
1.30
V
4
Output Rise Time
t
RISE
5
ns 7
Output Fall Time
t
FALL
5
ns 7
Internal 3.3V to 1.8V LDO from AFE
Internal 1.8V Regulator Output
V
DD18
, 15mA
1.6
1.8
2.0
V
5
Power On/Off Reset Level
V
DD18
, Reset
80
85
90
%
6
Note 2: Does not include load current and tested under NOP loop and all peripheral disabled.
Note 3: For Digital I/O only.
Note 4: For RSTN pin only.
Note 5: Supply to internal digital and analog circuit only.
Note 6: This is measured as the percentage of steady state value of V
DD18
.
Note 7: This is measured with 20pF load and 20% to 80% output level.