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CY8CTST110
Document Number: 001-46931 Rev. *B
Page 10 of 32
56-Pin Part Pinout
The 56-pin SSOP part is for the CY8CTST110 On-Chip Debug (OCD) TrueTouch device.
Note This part is only used for in-circuit debugging. It is NOT available for production.
Figure 6. CY8CTST110 56-Pin TrueTouch Device
Table 4. Pin Definitions - CY8CTST110 56-Pin (SSOP)
Pin No.
Type
Pin Name
Description
Digital
Analog
1
Power
Vss
Ground. Connect to circuit ground.
2
IO
I
P0[7]
Analog column mux input.
3
IO
I
P0[5]
Analog column mux input and column output.
4
IO
I
P0[3]
Analog column mux input and column output.
5
IO
I
P0[1]
Analog column mux input.
6
IO
P2[7]
7
IO
P2[5]
8
IO
I
P2[3]
Direct switched capacitor block input.
9
IO
I
P2[1]
Direct switched capacitor block input.
10
NC
No connection. Leave Floating.
11
NC
No connection. Leave Floating.
12
NC
No connection. Leave Floating.
13
NC
No connection. Leave Floating.
14
OCD
OCDE
OCD even data IO.
15
OCD
OCDO
OCD odd data output.
16
Power
SMP
Switch Mode Pump (SMP) connection to required external components.
17
Power
Vss
Ground. Connect to circuit ground.
18
Power
Vss
Ground. Connect to circuit ground.
19
IO
P3[3]
SSOP
1
56
Vdd
2
AI, P0[7]
55
P0[6], AI
3
AI, P0[5]
54
P0[4], AI
4
AI, P0[3]
53
P0[2], AI
5
AI, P0[1]
52
P0[0], AI
6
P2[7]
51
P2[6]
7
P2[5]
50
P2[4]
8
P2[3]
49
P2[2]
9
P2[1]
48
P2[0]
10
NC
47
NC
11
NC
46
NC
12
NC
45
P3[2]
13
NC
44
P3[0]
14
OCDE
43
CCLK
15
OCDO
42
HCLK
16
SMP
41
XRES
17
Vss
40
NC
18
Vss
39
NC
19
P3[3]
38
NC
20
P3[1]
37
NC
21
NC
36
NC
22
NC
35
NC
23
I2C SCL, P1[7]
34
P1[6]
24
I2C SDA, P1[5]
33
P1[4], EXTCLK
25
NC
32
P1[2]
26
P1[3]
31
P1[0], I2C SDA, SDATA
27
SCLK, I2C SCL, P1[1]
30
NC
28
Vss
29
NC
Vss
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