Low-Voltage/Low-Power

Copyright © 2008 by Silicon Laboratories

11.11.2008

Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.

Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders

C8051F920

Single/Dual Battery, 0.9-3.6 V, 32 kB, smaRTClock, 10-Bit ADC MCU

Selected Electrical Specifications

(At 25 C°)

Parameter

Conditions

Min

Typ

Max

Units

Supply Input Voltage

two-cell mode

one-cell mode

DC-DC converter disabled

1.8

—

3.6

V

DC-DC converter enabled

0.9

—

1.8

V

DC-DC Boost Converter Output

Includes on and off-chip current

—

—

65

mW

Supply Current with CPU Active

VDD = 1.8–3.6 V

Clock = 24.5 MHz

(±2% internal precision oscillator)

—4.1

—

mA

Supply Current (shutdown)



Sleep mode; smaRTClock off

—

50

—

nA

Sleep mode; smaRTClock running

—

0.6

—

µA

Clock Frequency Range

DC

—

25

MHz

Wakeup Time

two-cell mode

—

2

—

µs

one-cell mode

—

10

—

µs

Internal Oscillator

Frequency

Precision oscillator

24

24.5

25

MHz

Low power oscillator

18

20

22

MHz

A/D Converter

Resolution

10

bits

Throughput Rate

—

—

300

ksps

Package Information: 32-Pin QFN

7 x e

Bottom View

E

8

5

4

3

2

1

6

7

17

18

20

23

24

22

21

19

E2

L

E2 / 2

e

Side View

E / 2

MM

MIN

TYP

MAX

A

0.80

0.9

1.00

A1

0.00

0.02

0.05

A2

0

0.65

1.00

A3

—

0.25

—

b

0.18

0.25

0.30

D

—

5.00

—

D2

1.25

2.70

3.25

E

—

5.00

—

E2

1.25

2.70

3.25

e

—

0.50

—

L

0.30

0.40

0.50

N—

32

—

ND

—

8

—

NE

—

8

—

R0.09

—

—

Package Information: 32-Pin LQFP

MM

MIN

TYP

MAX

MIN

TYP

MAX

A

—

—

1.60

E

9.00 BSC

A1

0.05

—

0.15

E1

7.00 BSC

A2

1.35

1.40

1.45

L

0.45

0.60

0.75

b

0.30

0.37

0.45

aaa

0.20

c

0.09

—

0.20

bbb

0.20

D

9.00 BSC

ccc

0.10

D1

7.00 BSC

ddd

0.20

e

0.80 BSC



0°

3.5°

7°

C8051F9xx Product Family

Device Part #

Package

Flash Size

RAM Size

C8051F930-GQ

32-pin LQFP

64 kB

4 kB

C8051F930-GM

32-pin QFN

64 kB

4 kB

C8051F931-GM

24-pin QFN

64 kB

4 kB

C8051F920-GQ

32-pin LQFP

32 kB

4 kB

C8051F920-GM

32-pin QFN

32 kB

4 kB

C8051F921-GM

24-pin QFN

32 kB

4 kB