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CY8C20x36/46/66, CY8C20396
Document Number: 001-12696 Rev. *D Page 13 of 34
48-Pin SSOP
Table 7. Pin Definitions - CY8C20566 PSoC Device
[2]
Pin No.
Digital
Analog
Name Description
Figure 7. CY8C20566 PSoC Device
1 IOH IO P0[7]
2 IOH IO P0[5]
3 IOH IO P0[3]
4 IOH IO P0[1]
5 IO IO P2[7]
6 IO IO P2[5] XTAL Out
7 IO IO P2[3] XTAL In
8 IO IO P2[1]
9 NC No connection
10 NC No connection
11 IO IO P4[3]
12 IO IO P4[1]
13 NC No connection
14 IO IO P3[7]
15 IO IO P3[5]
16 IO IO P3[3]
17 IO IO P3[1]
18 NC No connection
19 NC No connection
20 IOHR IO P1[7] I2C SCL, SPI SS
21 IOHR IO P1[5] I2C SDA, SPI MISO
22 IOHR IO P1[3] SPI CLK
23 IOHR IO P1[1] TC CLK
[1]
, I2C SCL, SPI MOSI
24 VSS Ground Pin
25 IOHR IO P1[0] TC DATA
[1]
, I2C SDA, SPI CLK
26 IOHR IO P1[2]
27 IOHR IO P1[4] EXT CLK
28 IOHR IO P1[6]
29 NC No connection
30 NC No connection
31 NC No connection
32 NC No connection
Pin No.
Digital
Analog
Name Description
33 NC No connection 41 IO IO P2[2]
34 NC No connection 42 IO IO P2[4]
35 XRES Active high external reset with internal
pull down
43 IO IO P2[6]
36 IO IO P3[0] 44 IOH IO P0[0]
37 IO IO P3[2] 45 IOH IO P0[2]
38 IO IO P3[4] 46 IOH IO P0[4]
39 IO IO P3[6] 47 IOH IO P0[6]
40 IO IO P2[0] 48 Power Vdd Power Pin
LEGEND A = Analog, I = Input, O = Output, NC = No Connection, H = 5 mA High Output Drive, R = Regulated Output Option.
SSOP
P0[7]
VDD
P0[5]
P0[6]
P0[3]
P0[4]
P0[1] P0[2]
P2[7]
P0[0]
P2[5]
P2[6]
P2[3]
P2[4]
P2[1]
P2[2]
NC
P2[0]
NC
P3[6]
P4[3]
P3[4]
P4[1]
P3[2]
NC
P3[0]
P3[7]
XRES
P3[5]
NC
P3[3]
NC
P3[1] NC
NC
NC
NC
NC
P1[7]
NC
P1[5]
P1[6]
P1[3]
P1[4]
P1[1] P1[2]
VSS P1[0]
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
43
44
42
40
41
39
38
37
36
35
33
34
32
31
30
29
28
27
26
25
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