CY8C20334 CYPRESS [Cypress Semiconductor], CY8C20334 Datasheet - Page 15

• Manufacturer Part Number: CY8C20334
• Manufacturer: CYPRESS [Cypress Semiconductor]

48-Pin QFN with USB
Table 9. Pin Definitions - CY8C20646A, CY8C20666A PSoC Device
Document Number: 001-54459 Rev. **
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
Pin
No.
LEGEND A = Analog, I = Input, O = Output, NC = No Connection H = 5 mA High Output Drive, R = Regulated Output.
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
IOH
IOH
IOH
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Power
Power
Input
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
NC
P2[7]
P2[5]
P2[3]
P2[1]
P4[3]
P4[1]
P3[7]
P3[5]
P3[3]
P3[1]
P1[7]
P1[5]
NC
NC
P1[3]
P1[1]
Vss
D+
D-
Vdd
P1[0]
P1[2]
P1[4]
P1[6]
XRES
P3[0]
P3[2]
P3[4]
P3[6]
P4[0]
P4[2]
P2[0]
P2[2]
P2[4]
P2[6]
P0[0]
P0[2]
P0[4]
Name
No connection
Crystal input (XIn)
No connection
No connection
SPI CLK
Ground connection
USB D+
USB D-
Supply voltage
ISSP DATA
Optional external clock input
(EXTCLK)
Active high external reset with
internal pull down
Crystal output (XOut)
I2C SCL, SPI SS
I2C SDA, SPI MISO
ISSP CLK
Description
[1]
[1]
, I2C SCL, SPI MOSI
, I2C SDA, SPI CLK
No.
40
41
42
43
44
45
46
47
48
CP
Pin
AI, I2C SCL, SPI SS, P1[7]
IOH
IOH
IOH
IOH
IOH
Power
Power
Power
Figure 8. CY8C20646A, CY8C20666A PSoC Device
AI, XOut, P2[5]
AI, XIn , P2[3]
I
I
I
I
I
[2, 3]
AI , P2[7]
AI , P2[1]
AI, P4[3]
AI, P4[1]
AI, P3[7]
AI, P3[5]
AI, P3[3]
AI, P3[1]
P0[6]
Vdd
NC
NC
P0[7]
P0[5]
P0[3]
Vss
P0[1]
Vss
Name
NC
10
11
12
1
2
3
4
5
6
7
8
9
Supply voltage
No connection
No connection
Integrating input
Ground connection
Center pad must be connected to ground
CY8C20X36A/46A/66A/96A
(Top View)
QFN
Description
36
35
34
33
32
31
30
29
28
27
26
25
P2[6], AI
P2[4], AI
P2[2], AI
P2[0], AI
P4[2], AI
P4[0], AI
P3[6], AI
P3[4], AI
P3[2], AI
P3[0 ], AI
P1[6], AI
XRES
Page 15 of 38
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