Diodes AUR3852 - Manual (Page 8)

Data Sheet
Enhanced Multi-touch Capacitive Touch Screen Controller AUR3852
Feb. 2013 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
8
Pin Description (Continued)
Pin Number
Pin
Name
Pin
Type
Pin Function
QFN-6×6-
48
QFN-7×7-
56
28 33 P0.0 I/O
Port 0.0 GPIO
8051 P0.0 GPIO
PINT1.0
This pin can also be configured as the expanded INT1
interrupt
DR1
Right driving line 1
29 34
XCP_
VSS
Power
Ground Voltage. 0V
Boost Ground
30 35 XCP Power
Supply Voltage. 1.6V to 2.0V
1.8V boost in
31 36 VDD Power
Supply Voltage. 2.8V to 3.6V
A good decoupling capacitor between VDD and VSS pins
is critical for good performance
32 37
VDD1
8
Power
Internal Regulator Output. 1.6V to 2.0V
Typical decoupling capacitors of 0.1
µF and 10µF should
be connected between VDD18 and VSS
33 38
VDDE
N
I
CPU Power Supply Enable
Supply voltage enable for 8051 CPU
34 39
XCP_E
N
I
1.8V to 3.3V Boost Converter Enable
3.3V Boost Supply voltage enable for 1.8V power input
35 40 S1 I/O, A
S1
Sensing line 1
36, 37, 38,
39, 40, 41,
42, 43, 44,
45, 46, 47,
48, -
41,42 43,
44, 45, 46,
47, 48, 49,
50, 51, 52,
53, 54
S2, S3,
S4, S5,
S6, S7,
S8, S9,
S10,
S11,
S12,
S13,
S14,
S15
I, A
S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14,
S15
Sensing line 2 to 15
- 13 P3.2 I/O
Port 3.2 GPIO
8051 P3.2 GPIO
DL12
Left driving line 12