User manual
CY8C27143, CY8C27243
CY8C27443, CY8C27543, CY8C27643
Document Number: 38-12012 Rev. *O Page 14 of 53
56-Pin Part Pinout
The 56-pin SSOP part is for the CY8C27002 On-Chip Debug (OCD) PSoC device.
Note This part is only used for in-circuit debugging. It is NOT available for production.
Table 9. 56-Pin Part Pinout (SSOP)
Pin
No.
Type
Pin
Name
Description
Figure 9. CY8C27002 56-Pin PSoC Device
Digital Analog
1 NC No connection.
2 I/O I P0[7] Analog column mux input.
3 I/O I P0[5] Analog column mux input and column
output.
4 I/O I P0[3] Analog column mux input and column
output.
5 I/O I P0[1] Analog column mux input.
6 I/O P2[7]
7 I/O P2[5]
8 I/O I P2[3] Direct switched capacitor block input.
9 I/O I P2[1] Direct switched capacitor block input.
10 I/O P4[7]
11 I/O P4[5]
12 I/O IP4[3]
13 I/O IP4[1]
14 OCD OCDE OCD even data I/O.
15 OCD OCDO OCD odd data output.
16 Power SMP Switch Mode Pump (SMP) connection to
required external components.
17 I/O P3[7]
18 I/O P3[5]
19 I/O P3[3]
20 I/O P3[1]
21 I/O P5[3]
Not for Production
22 I/O P5[1]
23 I/O P1[7] I2C Serial Clock (SCL).
24 I/O P1[5] I2C Serial Data (SDA).
25 NC No connection.
26 I/O P1[3]
27 I/O P1[1] Crystal Input (XTALin), I2C Serial Clock
(SCL), ISSP-SCLK*.
28 Power Vdd Supply voltage.
29 NC No connection.
30 NC No connection..
31 I/O P1[0] Crystal Output (XTALout), I2C Serial
Data (SDA), ISSP-SDATA*.
32 I/O P1[2]
33 I/O P1[4] Optional External Clock Input (EXTCLK).
34 I/O P1[6]
35 I/O P5[0]
36 I/O P5[2]
37 I/O P3[0]
38 I/O P3[2]
39 I/O P3[4]
40 I/O P3[6]
41 Input XRES Active high external reset with internal
pull down.
SSOP
1
56
255
354
453
5
52
6
51
750
849
948
10
47
11 46
12 45
13
44
14 43
15
42
16
41
17
40
18 39
19 38
20
37
21 36
22
35
23 34
24 33
25 32
26 31
27
30
28
29
Vdd
P0[6], AI
P0[4], AIO
P0[2], AIO
P0[0], AI
P2[6], External VRef
P2[4], External AGND
P2[2], AI
P2[0], AI
P4[6]
P4[4]
P4[2]
P4[0]
CCLK
HCLK
XRES
P3[6]
P3[4]
P3[2]
P3[0]
P5[2]
P5[0]
P1[6]
P1[4], EXTCLK
P1[2]
P1[0], XTALOut, I2C SDA, SDATA
NC
NC
AI, P0[7]
AIO, P0[5]
AIO, P0[3]
AI, P0[1]
P2[7]
P2[5]
AI, P2[3]
AI, P2[1]
P4[7]
P4[5]
P4[3]
P4[1]
OCDE
OCDO
SMP
P3[7]
P3[5]
P3[3]
P3[1]
P5[3]
P5[1]
I2C SCL, P1[7]
I2C SDA, P1[5]
NC
P1[3]
SCLK, I2C SCL, XTALIn, P1[1]
Vss
NC
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