CY8C20334 CYPRESS [Cypress Semiconductor], CY8C20334 Datasheet - Page 16

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

48-Pin QFN OCD
The 48-pin QFN part is for the CY8C20066A On-Chip Debug (OCD) PSoC device. Note that this part is only used for in-circuit
debugging.
Table 10. Pin Definitions - CY8C20066A PSoC Device
Note
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
LEGEND A = Analog, I = Input, O = Output, NC = No Connection H = 5 mA High Output Drive, R = Regulated Output.
4. This part is available in limited quantities for In-Circuit Debugging during prototype development. It is not available in production volumes.
Pin
No.
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
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
[4]
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
OCDOE
P2[7]
P2[5]
P2[3]
P2[1]
P4[3]
P4[1]
P3[7]
P3[5]
P3[3]
P3[1]
P1[7]
P1[5]
CCLK
HCLK
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]
Name
OCD mode direction pin
Crystal output (XOut)
Crystal input (XIn)
I2C SCL, SPI SS
I2C SDA, SPI MISO
OCD CPU clock output
OCD high speed clock output
SPI CLK.
ISSP CLK
Ground connection
USB D+
USB D-
Supply voltage
ISSP DATA
Optional external clock input
(EXTCLK)
Active high external reset with
internal pull down
Description
[1]
(1)
, I2C SCL, SPI MOSI
, I2C SDA, SPI CLK
[2, 3]
37
38
39
40
41
42
43
44
45
46
47
48
CP
AI, I2C SCL, SPI SS, P1[7]
Pin
No.
IOH
IOH
IOH
IOH
IOH
IOH
IOH
IOH
Power
Power
Power
AI, XOut, P2[5]
AI, XIn , P2[3]
AI , P2[1]
AI , P4[3]
AI , P4[1]
AI, P3[7]
AI, P3[5]
AI, P3[3]
AI, P3[1]
A
I
OCDO
Figure 9. CY8C20066A PSoC Device
I
I
I
I
I
I
I
I
, P2[7]
E
P0[0]
P0[2]
P0[4]
P0[6]
Vdd
OCDO
OCDE
P0[7]
P0[5]
P0[3]
Vss
P0[1]
Vss
Name
10
11
12
1
2
3
4
5
6
7
8
9
CY8C20X36A/46A/66A/96A
Supply voltage
OCD even data I/O
OCD odd data output
Integrating input
Ground connection
Center pad must be connected to ground
(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 16 of 38
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