CY7C6431X_09 Datasheet, PDF (8/28 Pages) Cypress Semiconductor – enCoRe V Full Speed USB Controller

48-Pin Part Pinout
CY7C6431x
CY7C64345, CY7C6435x
Figure 3. CY7C64355/CY7C64356 48-Pin enCoRe V USB Device
NC
1
P2[7] ₂
P2[5]
3
P2[3] ₄
P2[1]
5
P4[3]
6
P4[1]
7
P3[7]
8
P3[5]
9
P3[3]
10
P3[1]
11
P1[7]
12
QFN
(Top View)
36 P2[6]
35 P2[4]
34 P2[2]
33 P2[0]
32 P4[2]
31 P4[0]
30 ^P3[6]
29 ^P3[4]
28 P3[2]
27 P3[0]
26 ^XRES
25 P1[6]
Table 3. 48-Pin Part Pinout (QFN)
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
Type
NC
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
IOHR
IOHR
NC
NC
IOHR
IOHR
Power
I/O
I/O
Power
IOHR
IOHR
IOHR
IOHR
Pin Name
NC
P2[7]
P2[5]
P2[3]
P2[1]
P4[3]
P4[1]
P3[7]
P3[5]
P3[3]
P3[1]
P1[7]
P1[5]
NC
NC
P1[3]
P1[1]^{(1, 2)}
Vss
D+
D–
Vdd
P1[0]^{(1, 2)}
P1[2]
P1[4]
P1[6]
Description
No connection
Digital I/O
Digital I/O, Crystal Out (Xout)
Digital I/O, Crystal In (Xin)
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O
Digital I/O, I2C SCL, SPI SS
Digital I/O, I2C SDA, SPI MISO
No connection
No connection
Digital I/O, SPI CLK
Digital I/O, ISSP CLK, I2C SCL, SPI MOSI
Supply ground
USB
USB
Supply voltage
Digital I/O, ISSP DATA, I2C SDA, SPI CLK
Digital I/O,
Digital I/O, optional external clock input (EXTCLK)
Digital I/O
Document Number: 001-12394 Rev *G
Page 8 of 28
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