Cypress CY7C6431x Manual De Usuario
CY7C6431x
CY7C64345, CY7C6435x
Document Number: 001-12394 Rev *G
Page 8 of 28
48-Pin Part Pinout
Figure 3. CY7C64355/CY7C64356 48-Pin enCoRe V USB Device
QFN
(Top View)
P0[
1
]
Vs
s
P0[
3
]
P0[
5
]
P0[
7
]
Vdd
P0[
6
]
10
11
12
11
12
P2[7]
P2[5]
P2[3]
P2[1]
P4[3]
P4[3]
P4[1]
P3[7]
P3[5]
P3[7]
P3[5]
P3[3]
35
34
33
32
31
30
29
28
27
26
34
33
32
31
30
29
28
27
26
25
36
48
47
46
45
44
43
42
41
40
39
38
37
P0[2
]
P0[0
]
P2[6]
P2[4]
P2[2]
P2[0]
P3[2]
P3[0]
P3[0]
XRES
P1[6]
P0[4
]
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
13
14
15
16
17
18
19
20
21
22
23
24
NC
NC
P1[
3
]
P1[
1
]
Vss
D+
D-
Vd
d
P1[
0
]
P1[2]
P1[4]
NC
P3[1]
P1[7]
P1[
5
]
P3[4]
P3[6]
P4[0]
P4[2]
NC
NC
Table 3. 48-Pin Part Pinout (QFN)
Pin No.
Type
Pin Name
Description
1
NC
NC
No connection
2
I/O
P2[7]
Digital I/O
3
I/O
P2[5]
Digital I/O, Crystal Out (Xout)
4
I/O
P2[3]
Digital I/O, Crystal In (Xin)
5
I/O
P2[1]
Digital I/O
6
I/O
P4[3]
Digital I/O
7
I/O
P4[1]
Digital I/O
8
I/O
P3[7]
Digital I/O
9
I/O
P3[5]
Digital I/O
10
I/O
P3[3]
Digital I/O
11
I/O
P3[1]
Digital I/O
12
IOHR
P1[7]
Digital I/O, I2C SCL, SPI SS
13
IOHR
P1[5]
Digital I/O, I2C SDA, SPI MISO
14
NC
NC
No connection
15
NC
NC
No connection
16
IOHR
P1[3]
Digital I/O, SPI CLK
17
IOHR
P1[1]
Digital I/O, ISSP CLK, I2C SCL, SPI MOSI
18
Power
Vss
Supply ground
19
I/O
D+
USB
20
I/O
D–
USB
21
Power
Vdd
Supply voltage
22
IOHR
P1[0]
Digital I/O, ISSP DATA, I2C SDA, SPI CLK
23
IOHR
P1[2]
Digital I/O,
24
IOHR
P1[4]
Digital I/O, optional external clock input (EXTCLK)
25
IOHR
P1[6]
Digital I/O