C8051F320/1 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

C8051F320/1

Full Speed USB, 16 k ISP FLASH MCU Family

Silicon Laboratories 

C8051F320/1

REGIN

VDD

GND

5.0V

Voltage

IN

Regulator

OUT

Analog/Digital

Power

Enable

C2D

Debug HW

/RST/C2CK

XTAL1 XTAL2

POR

Brown-

Out

External

Oscillator

Circuit

12MHz

Internal

Oscillator

x4

2

8

16kbyte

0

FLASH

5 Reset

1

C

256 byte

SRAM

1K byte

XRAM

o

System r SFR Bus

e Clock

Clock

Recovery

D+

D-

VBUS

2

1,2,3,4

USB Clock

USB

Transceiver

USB

Controller

1K byte USB

SRAM

Port 0

Latch

Port 1

Latch

UART

Timer

0,1,2,3 /

RTC

PCA/

WDT

SMBus

SPI

Port 2

Latch

Port 3

Latch

VREF

VREF

VDD

10-bit

200ksps

ADC

P

0

D

r

v

C

R

P

O

1

S

S

D

B

r

A

v

R

P

2

D

r

v

P

3

D

r

v

CP0

+

-

CP1

+

-

Temp

A

AIN0-AIN11

M

U VDD

X VREF

Figure 1.2. C8051F321 Block Diagram

P0.0

P0.1

P0.2/XTAL1

P0.3/XTAL2

P0.4

P0.5

P0.6/CNVSTR

P0.7/VREF

P1.0

P1.1

P1.2

P1.3

P1.4

P1.5

P1.6

P1.7

P2.0

P2.1

P2.2

P2.3

P3.0/C2D

Rev. 1.4

17

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