3 - 7
36
29
22
15
SCL
OD
Z
Clock
for the
I
2
C-compatible interface.
Connect to V
CC
with a
2.2K resistor,
even if no I
2
C-compatible peripheral is attached.
37
30
23
16
SDA
OD
Z
Data
for
I
2
C-compatible interface
. Connect to V
CC
with a 2.2K
resistor,
even if no I
2
C-compatible peripheral is attached.
2
1
6
55
V
CC
Power
N/A
V
CC
. Connect to 3.3V power source.
17
16
14
7
V
CC
Power
N/A
V
CC
. Connect to 3.3V power source.
26
20
18
11
V
CC
Power
N/A
V
CC
. Connect to 3.3V power source.
43
33
24
17
V
CC
Power
N/A
V
CC
. Connect to 3.3V power source.
48
38
34
27
V
CC
Power
N/A
V
CC
. Connect to 3.3V power source.
64
49
39
32
V
CC
Power
N/A
V
CC
. Connect to 3.3V power source.
68
53
50
43
V
CC
Power
N/A
V
CC
. Connect to 3.3V power source.
81
66
V
CC
Power
N/A
V
CC
. Connect to 3.3V power source.
100
78
V
CC
Power
N/A
V
CC
. Connect to 3.3V power source.
107
85
V
CC
Power
N/A
V
CC
. Connect to 3.3V power source.
3
2
4
53
GND
Ground
N/A
Ground.
20
19
7
56
GND
Ground
N/A
Ground.
27
21
17
10
GND
Ground
N/A
Ground.
49
39
19
12
GND
Ground
N/A
Ground.
58
48
33
26
GND
Ground
N/A
Ground.
65
50
35
28
GND
Ground
N/A
Ground.
80
65
48
41
GND
Ground
N/A
Ground.
93
75
GND
Ground
N/A
Ground.
116
94
GND
Ground
N/A
Ground.
125
99
GND
Ground
N/A
Ground.
14
13
NC
N/A
N/A
No-connect. This pin must be left open.
15
14
NC
N/A
N/A
No-connect. This pin must be left open.
16
15
NC
N/A
N/A
No-connect. This pin must be left open.
Table 4-1. FX2 Pin Descriptions
[5]
(continued)
128
TQFP
100
TQFP
56
SSOP
56
QFN
Name
Type
Default
Description
PIN DESCRIPTIONS OF IC CY7C68013
