CY8C29x66 Final Data Sheet
1. Pin Information
1.1.3
Pin
No.
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
40
41
42
43
44
45
46
47
48
48-Pin Part Pinouts
Type
Table 1-3. 48-Pin Part Pinout (SSOP)
Digital
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
Power
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
Power
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
Input
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
Power
Analog
I
IO
IO
I
Pin
Name
P0[7]
P0[5]
P0[3]
P0[1]
P2[7]
P2[5]
P2[3]
P2[1]
P4[7]
P4[5]
P4[3]
P4[1]
SMP
P3[7]
P3[5]
P3[3]
P3[1]
P5[3]
P5[1]
P1[7]
P1[5]
P1[3]
P1[1]
Vss
P1[0]
P1[2]
P1[4]
P1[6]
P5[0]
P5[2]
P3[0]
P3[2]
P3[4]
P3[6]
XRES
P4[0]
P4[2]
P4[4]
P4[6]
P2[0]
P2[2]
P2[4]
P2[6]
P0[0]
P0[2]
P0[4]
P0[6]
Vdd
Description
Analog column mux input.
Analog column mux input and column output.
Analog column mux input and column output.
Analog column mux input.
CY8C29666 48-Pin PSoC Device
A, I, P0[7]
A, IO, P0[5]
A, IO, P0[3]
A, I, P0[1]
P2[7]
P2[5]
A, I, P2[3]
A, I, P2[1]
P4[7]
P4[5]
P4[3]
P4[1]
SMP
P3[7]
P3[5]
P3[3]
P3[1]
P5[3]
P5[1]
I2CSCL, P1[7]
I2CSDA, P1[5]
P1[3]
I2CSCL,XTALin,P1[1]
Vss
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
I
I
Direct switched capacitor block input.
Direct switched capacitor block input.
Switch Mode Pump (SMP) connection to
external components required.
SSOP
I2C Serial Clock (SCL).
I2C Serial Data (SDA).
Crystal (XTALin), I2C Serial Clock (SCL),
ISSP-SCLK*.
Ground connection.
Crystal (XTALout), I2C Serial Data (SDA),
ISSP-SDATA*.
Optional External Clock Input (EXTCLK).
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
Vdd
P0[6], A, I
P0[4], A, IO
P0[2], A, IO
P0[0], A, I
P2[6],External VREF
P2[4],External AGND
P2[2], A, I
P2[0], A, I
P4[6]
P4[4]
P4[2]
P4[0]
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
Active high external reset with internal pull
down.
I
I
I
IO
IO
I
Direct switched capacitor block input.
Direct switched capacitor block input.
External Analog Ground (AGND).
External Voltage Reference (VREF).
Analog column mux input.
Analog column mux input and column output.
Analog column mux input and column output.
Analog column mux input.
Supply voltage.
LEGEND:
A = Analog, I = Input, and O = Output.
* These are the ISSP pins, which are not High Z at POR (Power On Reset). See the
PSoC Mixed-Signal Array Technical Reference Manual
for details.
August 5, 2008
Document No. 38-12013 Rev. *J
10
CYPRESS [ CYPRESS SEMICONDUCTOR ]
