Cypress CY7C6435x, CY7C64345, CY7C6431x manual CY7C64355/CY7C64356 48-Pin enCoRe V USB Device

CY7C6431x

CY7C64345, CY7C6435x

48-Pin Part Pinout

Figure 3. CY7C64355/CY7C64356 48-Pin enCoRe V USB Device

NC

P2[7]

P2[5]

P2[3]

P2[1]

P4[3]

P4[1]

P3[7]

P3[5]

P3[3]

P3[1]

P1[7]

P0[1]

148

2

3

4

5

6

7

8

9

10

11

1213 P1[5]

47 Vss

NC 14

46 P0[3]

NC 15

P0[5]	P0[7]	NC NC Vdd		P0[6]	P0[4]	P0[2]
45	44	43	42 41	40	39	38

QFN

(Top View)

16	17	18	19	20	21	22	23
P1[3]	P1[1]	Vss	D+	D-	Vdd	P1[0]	P1[2]

37 P0[0]

P1[4] 24

36

35

34

33

32

31

30

29

28

27

26

25

P2[6]

P2[4]

P2[2]

P2[0]

P4[2]

P4[0]

P3[6]

P3[4]

P3[2]

P3[0]

XRES P1[6]

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](1, 2)	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](1, 2)	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
Document Number: 001-12394 Rev *G			Page 8 of 28

[+] Feedback