CY8C20X36A Datasheet, PDF (13/38 Pages) Cypress Semiconductor – CapSense Applications

CY8C20X36A/46A/66A/96A
48-Pin SSOP
Table 7. Pin Definitions - CY8C20536A, CY8C20546A, and CY8C20566A PSoC Device^[2]
Name
Description
Figure 6. CY8C20536A, CY8C20546A, and CY8C20566A
PSoC Device
1 IOH I
2 IOH I
3 IOH I
4 IOH I
5 I/O I
6 I/O I
7 I/O I
8 I/O I
9
10
11 I/O I
12 I/O I
13
14 I/O I
15 I/O I
16 I/O I
17 I/O I
18
19
20 IOHR I
21 IOHR I
22 IOHR I
23 IOHR I
24
25 IOHR I
26 IOHR I
27 IOHR I
28 IOHR I
29
30
31
32
P0[7]
P0[5]
P0[3]
P0[1]
P2[7]
P2[5]
P2[3]
P2[1]
NC
NC
P4[3]
P4[1]
NC
P3[7]
P3[5]
P3[3]
P3[1]
NC
NC
P1[7]
P1[5]
P1[3]
P1[1]
VSS
P1[0]
P1[2]
P1[4]
P1[6]
NC
NC
NC
NC
XTAL Out
XTAL In
No connection
No connection
No connection
No connection
No connection
I2C SCL, SPI SS
I2C SDA, SPI MISO
SPI CLK
TC CLK^[1], I2C SCL, SPI MOSI
Ground Pin
TC DATA^[1], I2C SDA, SPI CLK
EXT CLK
No connection
No connection
No connection
No connection
AI, P0[7] 1
AI, P0[5] 2
AI, P0[3] 3
AI P0[1] 4
AI, P2[7] 5
XTALOUT, P2[5] 6
XTALIN, P2[3] ₇
AI, P2[1] 8
NC 9
NC 10
AI, P4[3] 11
AI, P4[1] 12
NC 13
AI, P3[7] 14
AI, P3[5] 15
AI, P3[3] 16
AI, P3[1] 17
NC 18
NC 19
I2C SCL, SPI SS, P1[7] ₂₀
I2C SDA, SPI MISO, P1[5] 21
SPI CLK, P1[3] 22
TC CLK, I2C SCL, SPI MOSI, P1[1] 23
VSS 24
48 ^VDD
47 P0[6], AI
46 ^{P0[4], AI}
45 ^{P0[2], AI}
44 ^{P0[0], AI}
43 P2[6], AI
42 ^{P2[4], AI}
41 ^{P2[2], AI}
40 ^{P2[0], AI}
39 P3[6], AI
38 P3[4], AI
SSOP ^{37 P3[2], AI}
36 P3[0], AI
35 ^XRES
34 NC
33 ^NC
32 ^NC
31 ^NC
30 ^NC
29 NC
28 ^{P1[6], AI}
27 ^{P1[4], EXT CLK}
26 ^{P1[2], AI}
25 ^{P1[0], TC DATA, I2C SDA, SPI CLK}
Name
Description
33
34
35
36 I/O I
37 I/O I
38 I/O I
39 I/O I
40 I/O I
NC
NC
XRES
P3[0]
P3[2]
P3[4]
P3[6]
P2[0]
No connection
41
No connection
42
Active high external reset with internal 43
pull down
44
45
46
47
48
I/O I
I/O I
I/O I
IOH I
IOH I
IOH I
IOH I
Power
P2[2]
P2[4]
P2[6]
P0[0]
P0[2]
P0[4]
P0[6]
Vdd
Power Pin
LEGEND A = Analog, I = Input, O = Output, NC = No Connection, H = 5 mA High Output Drive, R = Regulated Output Option.
Document Number: 001-54459 Rev. **
Page 13 of 38
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