11 / 34 page
CY8C20224, CY8C20324
CY8C20424, CY8C20524
Document Number: 001-41947 Rev. *D
Page 11 of 34
48-Pin OCD Part Pinout
The 48-Pin QFN part table and pin diagram is for the CY8C20024 On-Chip Debug (OCD) PSoC device. This part is only used for
in-circuit debugging. It is NOT available for production.
Figure 7. CY8C20024 OCD PSoC Device
26
IO
I
P0[4]
27
IO
I
P0[6]
28
Power
Vdd
Supply voltage
29
IO
I
P0[7]
30
IO
I
P0[5]
31
IO
I
P0[3]
Integrating input
32
Power
Vss
Ground connection
CP
Power
Vss
Center pad is connected to ground
A = Analog, I = Input, O = Output, OH = 5 mA High Output Drive
Table 5. 32-Pin Part Pinout (QFN [2]) (continued)
Pin No.
Digital
Analog
Name
Description
OCD
QFN
(Top View)
10
11
12
NC
AI, P0[1]
AI, P2[7]
AI, P2[5]
AI, P2[3]
AI, P2[1]
AI, P3[3]
AI, P3[1]
AI, I2C SCL, SPI SS, P1[7]
AI, I2C SDA, SPI MISO, P1[5]
NC
NC
35
34
33
32
31
30
29
28
27
26
25
36
P0[2], AI
P0[0], AI
P2[6], AI
P2[4], AI
P2[2], AI
P2[0], AI
P3[2], AI
P3[0], AI
XRES
P1[6], AI
P1[4], EXTCLK, AI
P0[4], AI
1
2
3
4
5
6
7
8
9
Table 6. 48-Pin OCD Part Pinout (QFN [2])
Pin No.
Digital
Analog
Name
Description
1
NC
No connection
2
IO
I
P0[1]
Integrating Input
3
IO
I
P2[7]
4
IO
I
P2[5]
5
IO
I
P2[3]
6
IO
I
P2[1]
7
IO
I
P3[3]
8
IO
I
P3[1]
9
IOH
I
P1[7]
I2C SCL, SPI SS
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