C8051F340/1/2/3/4/5/6/7

4.Pinout and Package Definitions

Table 4.1. Pin Definitions for the C8051F340/1/2/3/4/5/6/7

Name

Pin Numbers

Type

Description

 

 

48-pin

32-pin

 

 

 

 

 

 

 

 

VDD

10

6

Power In

2.7–3.6 V Power Supply Voltage Input.

 

 

 

Power

3.3 V Voltage Regulator Output. See Section 8.

 

 

 

Out

 

 

 

 

 

 

GND

7

3

 

Ground.

 

 

 

 

 

/RST/

13

9

D I/O

Device Reset. Open-drain output of internal POR or VDD

 

 

 

 

monitor. An external source can initiate a system reset by

 

 

 

 

driving this pin low for at least 15 µs. See Section 11.

C2CK

 

 

D I/O

Clock signal for the C2 Debug Interface.

 

 

 

 

 

C2D

14

-

D I/O

Bi-directional data signal for the C2 Debug Interface.

 

 

 

 

 

P3.0 /

-

10

D I/O

Port 3.0. See Section 15 for a complete description of Port

C2D

 

 

D I/O

3.

 

 

Bi-directional data signal for the C2 Debug Interface.

 

 

 

 

 

 

 

 

 

REGIN

11

7

Power In

5 V Regulator Input. This pin is the input to the on-chip volt-

 

 

 

 

age regulator.

 

 

 

 

 

VBUS

12

8

D In

VBUS Sense Input. This pin should be connected to the

 

 

 

 

VBUS signal of a USB network. A 5 V signal on this pin indi-

 

 

 

 

cates a USB network connection.

 

 

 

 

 

D+

8

4

D I/O

USB D+.

 

 

 

 

 

D-

9

5

D I/O

USB D–.

 

 

 

 

 

P0.0

6

2

D I/O or

Port 0.0. See Section 15 for a complete description of Port

 

 

 

A In

0.

 

 

 

 

 

P0.1

5

1

D I/O or

Port 0.1.

 

 

 

A In

 

 

 

 

 

 

P0.2

4

32

D I/O or

Port 0.2.

 

 

 

A In

 

 

 

 

 

 

P0.3

3

31

D I/O or

Port 0.3.

 

 

 

A In

 

 

 

 

 

 

P0.4

2

30

D I/O or

Port 0.4.

 

 

 

A In

 

 

 

 

 

 

P0.5

1

29

D I/O or

Port 0.5.

 

 

 

A In

 

 

 

 

 

 

P0.6

48

28

D I/O or

Port 0.6.

 

 

 

A In

 

 

 

 

 

 

P0.7

47

27

D I/O or

Port 0.7.

 

 

 

A In

 

 

 

 

 

 

 

 

 

 

 

Rev. 0.5

33

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Image 33
Silicon Laboratories C8051F346, C8051F347 Pinout and Package Definitions, Pin Definitions for the C8051F340/1/2/3/4/5/6/7