Datasheet

CY8C21x34B
Document Number: 001-67345 Rev. *E Page 14 of 49
56-Pin Part Pinout
The 56-Pin SSOP part is for the CY8C21001 on-chip debug (OCD) PSoC device.
Note This part is only used for in-circuit debugging. It is NOT available for production.
Figure 10. CY8C21001 56-Pin PSoC Device
Table 6. Pin Definitions – CY8C21001 56-Pin (SSOP)
Pin No.
Type
Pin Name Description
Digital Analog
1 Power V
SS
Ground 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 NC No connection
11 NC No connection
12 NC No connection
13 NC No connection
14 OCD OCDE OCD even data I/O
15 OCD OCDO OCD odd data output
16 Power SMP SMP connection to required external components
17 Power V
SS
Ground connection
18 Power V
SS
Ground connection
19 I/O P3[3]
SSOP
1
56 Vdd
2
AI, P0[7]
55
P0[6], AI
3
AI, P0[5]
54
P0[4], AI
4
AI, P0[3]
53
P0[2], AI
5
AI, P0[1]
52
P0[0], AI
6
P2[7]
51
P2[6]
7
P2[5]
50
P2[4]
8
P2[3]
49
P2[2]
9P2[1] 48
P2[0]
10
NC
47
NC
11
NC
46
NC
12NC 45 P3[2]
13
NC
44
P3[0]
14OCDE 43
CCLK
15
OCDO
42
HCLK
16
SMP
41
XRES
17
Vss
40
NC
18
Vss
39
NC
19
P3[3]
38
NC
20
P3[1]
37
NC
21
NC
36
NC
22
NC
35
NC
23I2C SCL, P1[7] 34
P1[6]
24
I2C SDA, P1[5]
33
P1[4], EXTCLK
25
NC
32
P1[2]
26
P1[3]
31
P1[0], I2C
SDA, SDATA
27
SCLK, I2C SCL, P1[1]
30 NC
28Vss
29
NC
Vss