Cypress CY7C64345, CY7C6431x, CY7C6435x manual Pin Configuration, Pin Part Pinout

CY7C6431x

CY7C64345, CY7C6435x

Pin Configuration

The enCoRe V USB device is available in a variety of packages which are listed and illustrated in the subsequent tables.

16-Pin Part Pinout

Figure 1. CY7C64315/CY7C64316 16-Pin enCoRe V Device

P2[3]

P1[7]

P1[5]

P1[1]

1

2

3 4

P2[5]	P0[1]	P0[3]	P0[7]
16	15	14	13	12
	QFN			11
	(Top View)			10
5 6 7 8				9
Vss	D+	D–	Vdd

P0[4]

XRES

P1[4]

P1[0]

Table 1. 16-Pin Part Pinout (QFN)

Pin No.	Type	Name	Description
1	I/O	P2[3]	Digital I/O, Crystal Input (Xin)
2	IOHR	P1[7]	Digital I/O, SPI SS, I2C SCL
3	IOHR	P1[5]	Digital I/O, SPI MISO, I2C SDA
4	IOHR	P1[1](1, 2)	Digital I/O, ISSP CLK, 12C SCL, SPI MOSI
5	Power	Vss	Ground connection
6	USB line	D+	USB PHY
7	USB line	D–	USB PHY
8	Power	Vdd	Supply
9	IOHR	P1[0](1, 2)	Digital I/O, ISSP DATA, I2C SDA, SPI CLK
10	IOHR	P1[4]	Digital I/O, optional external clock input (EXTCLK)
11	Input	XRES	Active high external reset with internal pull down
12	IOH	P0[4]	Digital I/O
13	IOH	P0[7]	Digital I/O
14	IOH	P0[3]	Digital I/O
15	IOH	P0[1]	Digital I/O
16	I/O	P2[5]	Digital I/O, Crystal Output (Xout)

LEGEND I = Input, O = Output, OH = 5 mA High Output Drive, R = Regulated Output

Notes

1.During power up or reset event, device P1[0] and P1[1] may disturb the I2C bus. Use alternate pins if issues are encountered.

2.These are the in-system serial programming (ISSP) pins that are not High Z at power on reset (POR).

Document Number: 001-12394 Rev *G Page 6 of 28

[+] Feedback