enCoRe™ V CY7C643xx, enCoRe™ V LV CY7C604xx TRM, Document No. 001-32519 Rev *H
19
Pin Information
1.1.5
CY7C60455, CY7C60456 enCoRe V LV 48-Pin Part Pinout
Table 1-5. 48-Pin Part Pinout
2
Pin
No.
Digit
a
l
Analog
Name
Description
CY7C60455, CY7C60456 enCoRe V LV Devices
1
NC
No connection
2
IO
I
P2[7]
3
IO
I
P2[5]
XTAL Out
4
IO
I
P2[3]
XTAL In
5
IO
I
P2[1]
6
IO
I
P4[3]
7
IO
I
P4[1]
8
IO
I
P3[7]
9
IO
I
P3[5]
10
IO
I
P3[3]
11
IO
I
P3[1]
12
IOHR
I
P1[7]
I2C SCL, SPI SS
13
IOHR
I
P1[5]
I2C SDA, SPI MISO
14
NC
No connection
15
NC
No connection
16
IOHR
I
P1[3]
SPI CLK
17
IOHR
I
P1[1]
TC CLK
1
, I2C SCL, SPI MOSI
18
Power
Vss
Ground pin
19
NC
No connection
20
NC
No connection
21
Power
Vdd
Power pin
22
IOHR
I
P1[0]
TC DATA
1
, I2C SDA, SPI CLK
23
IOHR
I
P1[2]
24
IOHR
I
P1[4]
EXTCLK
25
IOHR
I
P1[6]
26
Input
XRES
Active high external reset with
internal pull down
27
IO
I
P3[0]
28
IO
I
P3[2]
29
IO
I
P3[4]
30
IO
I
P3[6]
31
IO
I
P4[0]
32
IO
I
P4[2]
Pin
No.
Digit
a
l
Analog
Name
Description
33
IO
I
P2[0]
41
Power
Vdd
Power pin
34
IO
I
P2[2]
42
NC
No connection
35
IO
I
P2[4]
43
NC
No connection
36
IO
I
P2[6]
44
IOH
I
P0[7]
37
IOH
I
P0[0]
45
IOH
I
P0[5]
38
IOH
I
P0[2]
46
IOH
I
P0[3]
39
IOH
I
P0[4]
47
Power
Vss
Ground pin
40
IOH
I
P0[6]
48
IOH
I
P0[1]
LEGEND
A = Analog, I = Input, O = Output, NC = No Connection, H = 5 mA High Output Drive, R = Regulated Output Option.
1
These are the ISSP pins, which are not High Z at POR (Power On Reset).
2
The center pad on the QFN package must be connected to ground (Vss) for best mechanical, thermal, and electrical performance. If not con-
nected to ground, it must be electrically floated and not connected to any other signal.
QFN
(Top View)
P0[1]
Vss
P0[3]
P0[5]
P0[7]
NC
NC
Vdd
P0[6]
P0[
4]
P0[2]
P0[0]
10
11
12
P2[7]
NC
P2[5]
P2[3]
P2[1]
P4[3]
P4[1]
P3[7]
P3[5]
P3[3]
P3[1]
P1[7]
35
34
33
32
31
30
29
28
27
26
25
36
48
47
46
45
44
43
42
41
40
39
38
37
P2[4]
P2[2]
P2[0]
P4[2]
P4[0]
P3[6]
P3[4]
P3[2]
P3[0]
XRES
P1[6]
P2[6]
1
2
3
4
5
6
7
8
9
13
14
15
16
17
18
19
20
21
22
23
24
P1[
5]
NC
NC
P1[
3]
P1[
1]
Vss
NC
NC
Vd
d
P1[
0]
P1[
2]
P1[
4]