U202: WT5700 IC Specification
Pin description
R480 U320 S160
Pin
Name
I/O
Function Description
2
3
SI[1]
A Capacitive sensor input[1]
3
1
SI[2]
A Capacitive sensor input[2]
4
2
4
SI[3]
A Capacitive sensor input[3]
5
3
SI[4]
A Capacitive sensor input[4]
6
4
SI[5]
A Capacitive sensor input[5]
7
5
SI[6]
A Capacitive sensor input[6]
8
6
SI[7]
A Capacitive sensor input[7]
9
7
5
SI[8]
A Capacitive sensor input[8]
10
8
SI[9]
A Capacitive sensor input[9]
11
6
SI[10]
A Capacitive sensor input[10]
14
7
SI[11]
A Capacitive sensor input[11]
15
9
TEST1
I Test mode pin
16
10
INT
O Interrupt output
17
11
MTM
I Multi touch mode select input (pull high)
18
12
8
TEST2
I Test mode pin
19
13
8
VSS
P ground
20
14
WIN_CTL
I Window of sensitivity select input (pull high)
21
9
OUT[11]
O Channel of output[11] (Open drain)
22
10
OUT[10]
O Channel of output[10] (Open drain)
23
15
OUT[9]
O Channel of output[9] (Open drain)
26
16
11
OUT[8]
O Channel of output[8] (Open drain)
27
17
OUT[7]
O Channel of output[7] (Open drain)
28
18
OUT[6]
O Channel of output[6] (Open drain)
29
19
PO[1]
O PO[1] output
30
20
12
SDA
I/O I2C SDA pin
31
21
13
SCL
I/O I2C SCL pin
32
22
PO[0]
O PO[0] output
33
23
OUT[5]
O Channel of output[5] (Open drain)
34
24
OUT[4]
O Channel of output[4] (Open drain)
35
25
14
OUT[3]
O Channel of output[3] (Open drain)
38
26
OUT[2]
O Channel of output[2] (Open drain)
39
15
OUT[1]
O Channel of output[1] (Open drain)
40
16
OUT[0]
O Channel of output[0] (Open drain)
41
27
SENSE[0]
I Sensitivity control [0] (pull high)
42
28
1
VDD
P VDD
43
29
SENSE[1]
I Sensitivity control [1] (pull high)
44
30
SENSE[2]
I Sensitivity control [2] (pull high)
45
31
PO_EN
I PO output enable (for power saving) (pull high)
46
32
PO_SLT
I PO output selection (pull high)
47
2
SI[0]
A Capacitive sensor input[0]
Block Diagram
Input Key
Auto Calibration
System Clock
POR
Control Register
Output Driver
I2C
15-2
15-2
SI[0]
SI[1]
SI[2]
SI[3]
SI[4]
SI[5]
SI[6]
SI[7]
SI[8]
SI[9]
SI[10]
SI[11]
SI[0]
SI[1]
SI[2]
SI[3]
SI[4]
SI[5]
SI[6]
SI[7]
SI[8]
SI[9]
SI[10]
SI[11]
PO[0]
SENSE[1]
SENSE[2]
MTM
SENSE[0]
PO[1]
SCL
SDA
INT
R_BIAS
VDD
