CY7C6431x

CY7C6434x, CY7C6435x

Document Number: 001-12394 Rev. *M

Page 9 of 37

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 6. CY7C64315/CY7C64316 16-Pin enCoRe V USB Device

QFN

(Top View)

P2[3]

P1[5]

P1[1]

P0[4]

P1[0]

P1[7]

P1[4]

XRES

1

2

3

4

12

11

10

9

Notes

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

Table 1. 16-Pin Part Pinout (QFN)

Pin No.

Type

Name

Description

1

I/O

P2[3]

Digital I/O, crystal input (Xin)

2

I/OHR

P1[7]

3

I/OHR

P1[5]

4

I/OHR

P1[1][1, 2]

5

Power

Ground connection

6

USB line

D+

USB PHY

7

USB line

D–

USB PHY

8

Power

Supply

9

I/OHR

P1[0][1, 2]

10

I/OHR

P1[4]

Digital I/O, optional external clock input (EXTCLK)

11

Input

XRES

Active high external reset with internal pull-down

12

I/OH

P0[4]

Digital I/O

13

I/OH

P0[7]

Digital I/O

14

I/OH

P0[3]

Digital I/O

15

I/OH

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

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