.hide-partial { max-height: none; } .show-more { display: none; }

Silicon Labs Embedded Processors & Controllers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Embedded Processors & Controllers

List Images

Results: 2,657

Applied Filters:

Brand = Silicon Labs

Product Type

Mounting Style

Package/Case

Core

Data Bus Width

Maximum Clock Frequency

Program Memory Size

Data RAM Size

ADC Resolution

Number of I/Os

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU

EFM32PG22C200F256IM40-CR
Silicon Labs
1: $3.42
1,750In Stock

Mfr. Part No.
EFM32PG22C200F256IM40-CR

Mouser Part No
634-EFM32PG22C5640CR

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU

Learn More

Datasheet

1,750In Stock

Cut Tape

$3.42

$2.25

$2.08

$1.81

View

Reel

$1.14

Min.: 1
Mult.: 1

Reel: 2,500

ARM Microcontrollers - MCU

SMD/SMT

QFN-40

ARM Cortex M33

32 bit

76.8 MHz

256 kB

32 kB

12 bit

26 I/O

- 40 C

+ 125 C

Reel, Cut Tape

RF System on a Chip - SoC Mighty Gecko SoC QFN32 2.4 G 10 dB mesh multi-protocol 512 kB 64 kB (RAM) 16GPIO

EFR32MG13P632F512GM32-DR
Silicon Labs
1: $7.96
22,370In Stock

Mfr. Part No.
EFR32MG13P632F512GM32-DR

Mouser Part No
634-MGP632F512GM32DR

Silicon Labs

RF System on a Chip - SoC Mighty Gecko SoC QFN32 2.4 G 10 dB mesh multi-protocol 512 kB 64 kB (RAM) 16GPIO

Datasheet

22,370In Stock

Cut Tape

$7.96

$6.90

$6.53

$5.97

View

Reel

$4.33

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-32

ARM Cortex M4

32 bit

40 MHz

512 kB

64 kbit

12 bit

16 I/O

- 40 C

+ 85 C

Reel, Cut Tape

RF System on a Chip - SoC Flex Value QFN32 2.4G 8dB Prop 256kB 32kB(RAM) 16GPIO

EFR32FG1V032F256GM32-C0R
Silicon Labs
1: $9.86
12,435In Stock

Mfr. Part No.
EFR32FG1V032F256GM32-C0R

Mouser Part No
634-1V032F256GM32C0R

Silicon Labs

RF System on a Chip - SoC Flex Value QFN32 2.4G 8dB Prop 256kB 32kB(RAM) 16GPIO

Learn More

Datasheet

12,435In Stock

Cut Tape

$9.86

$7.63

$7.27

$6.31

View

Reel

$4.60

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-32

ARM Cortex M4

32 bit

40 MHz

256 kB

32 kB

12 bit

16 I/O

- 40 C

+ 85 C

Reel, Cut Tape

RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 256 kB flash 32 kB RAM 32 GPIO

EFR32FG1V131F256GM48-C0R
Silicon Labs
1: $11.10
4,993In Stock

Mfr. Part No.
EFR32FG1V131F256GM48-C0R

Mouser Part No
634-1V131F256GM48C0R

Silicon Labs

RF System on a Chip - SoC Flex Gecko SoC QFN48 Sub-GHz 256 kB flash 32 kB RAM 32 GPIO

Datasheet

4,993In Stock

Cut Tape

$11.10

$8.58

$8.18

$7.11

View

Reel

$5.20

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-48

ARM Cortex M4

32 bit

40 MHz

256 kB

32 kB

12 bit

32 I/O

- 40 C

+ 85 C

Reel, Cut Tape

RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO

EFR32BG21B010F1024IM32-B
Silicon Labs
1: $5.73
2,788In Stock

Mfr. Part No.
EFR32BG21B010F1024IM32-B

Mouser Part No
634-32BG21B10024M32B

Silicon Labs

RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 10dB, Bluetooth 5.1, 1024kB, 96kB(RAM), 20 GPIO

Learn More

Datasheet

2,788In Stock

$5.73

$4.96

$4.69

$4.32

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-32

ARM Cortex M33

32 bit

80 MHz

1 MB

96 kB

12 bit

20 I/O

- 40 C

+ 125 C

Tray

RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO

EFR32BG21B020F512IM32-BR
Silicon Labs
1: $7.08
2,569In Stock

Mfr. Part No.
EFR32BG21B020F512IM32-BR

Mouser Part No
634-32BG21B2012M32BR

Silicon Labs

RF System on a Chip - SoC Blue Gecko, QFN32, 2.4G, 20dB, Bluetooth 5.1, 512kB, 64kB(RAM), 20 GPIO

Learn More

Datasheet

2,569In Stock

Cut Tape

$7.08

$5.27

$4.91

$4.32

View

Reel

$2.95

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-32

ARM Cortex M33

32 bit

80 MHz

512 kB

64 kB

12 bit

20 I/O

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES

EFM32GG330F512G-E-QFN64R
Silicon Labs
1: $12.47
1,673In Stock

Mfr. Part No.
EFM32GG330F512G-E-QFN64R

Mouser Part No
634-32GG330F512-E-T

Silicon Labs

ARM Microcontrollers - MCU 512k Flash, 128k RAM, USB, AES

Learn More

Datasheet

1,673In Stock

Cut Tape

$12.47

$10.33

$9.64

$8.80

View

Reel

$7.62

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ARM Microcontrollers - MCU

SMD/SMT

QFN-64

ARM Cortex M3

32 bit

48 MHz

512 kB

128 kB

12 bit

52 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

EFM32LG380F256G-F-QFP100
Silicon Labs
1: $11.14
440In Stock

Mfr. Part No.
EFM32LG380F256G-F-QFP100

Mouser Part No
634-32LG380F256GFQFP

Silicon Labs

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

Learn More

Datasheet

440In Stock

$11.14

$8.64

$7.90

$7.43

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

48 MHz

256 kB

32 kB

12 bit

83 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

EFM8SB10F8G-A-QFN20
Silicon Labs
1: $1.39
9,664In Stock

Mfr. Part No.
EFM8SB10F8G-A-QFN20

Mouser Part No
634-8SB10F8GAQF20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

9,664In Stock

$1.39

$1.19

$1.11

$0.977

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

CIP-51 8051

8 bit

25 MHz

8 kB

512 B

12 bit

16 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP32

C8051F502-IQR
Silicon Labs
1: $11.73
2,673In Stock

Mfr. Part No.
C8051F502-IQR

Mouser Part No
634-C8051F502-IQR

Silicon Labs

8-bit Microcontrollers - MCU 50 MIPS, 64 kB, 4 kB, CAN2.0, LIN 2.1, SPI, UART, I2C, QFP32

Datasheet

2,673In Stock

Cut Tape

$11.73

$10.24

$9.81

$8.65

Reel

$7.68

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

8-bit Microcontrollers - MCU

SMD/SMT

QFP-32

8051

8 bit

50 MHz

64 kB

4.25 kB

12 bit

25 I/O

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

EFM32TG11B140F64GQ48-B
Silicon Labs
1: $5.95
2,421In Stock

Mfr. Part No.
EFM32TG11B140F64GQ48-B

Mouser Part No
634-EFM32TG64GQ48-B

Silicon Labs

ARM Microcontrollers - MCU ARM Cortex-M0+ 48 MHz 64 kB flash 32 kB RAM MCU

Learn More

Datasheet

2,421In Stock

$5.95

$4.21

$3.72

$3.45

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFP-48

ARM Cortex M0+

32 bit

48 MHz

64 kB

32 kB

12 bit

37 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

EFM8SB20F64G-B-QFN24
Silicon Labs
1: $2.84
2,911In Stock

Mfr. Part No.
EFM8SB20F64G-B-QFN24

Mouser Part No
634-EFM8SBF64GBQFN24

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU

Learn More

Datasheet

2,911In Stock

$2.84

$2.55

$2.41

$2.09

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

25 MHz

64 kB

4.25 kB

10 bit

16 I/O

- 40 C

+ 85 C

Tube

RF System on a Chip - SoC Flex Gecko SoC QFN68 sub-GHz 20 dB proprietary 1024 kB 256 kB (RAM) 46GPIO SoC

EFR32FG12P431F1024GM68-C
Silicon Labs
1: $13.14
947In Stock

Mfr. Part No.
EFR32FG12P431F1024GM68-C

Mouser Part No
634-FG12P431F1024GM

Silicon Labs

RF System on a Chip - SoC Flex Gecko SoC QFN68 sub-GHz 20 dB proprietary 1024 kB 256 kB (RAM) 46GPIO SoC

Learn More

Datasheet

947In Stock

$13.14

$11.83

$11.24

$11.13

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-68

ARM Cortex M4

32 bit

40 MHz

1 MB

256 kB

12 bit

- 40 C

+ 85 C

Tray

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN48

EFR32FG23A010F256GM48-C
Silicon Labs
1: $5.77
2,422In Stock

Mfr. Part No.
EFR32FG23A010F256GM48-C

Mouser Part No
634-FG2310F256GM48C

Silicon Labs

RF System on a Chip - SoC FG23, Sub-GHz, 256kB Flash, 32kB RAM, +14 dBm, QFN48

Learn More

Datasheet

2,422In Stock

$5.77

$5.02

$4.23

$3.82

View

Min.: 1
Mult.: 1

RF System on a Chip - SoC

SMD/SMT

QFN-48

ARM Cortex M33

32 bit

78 MHz

256 kB

32 kB

12 bit, 16 bit

31 I/O

- 40 C

+ 85 C

Tray

RF System on a Chip - SoC Flex Gecko SoC QFN32 sub-GHz 20 dB proprietary 512 kB 646 kB (RAM) 16GPIO SoC

EFR32FG13P231F512GM32-DR
Silicon Labs
1: $13.00
15,805In Stock

Mfr. Part No.
EFR32FG13P231F512GM32-DR

Mouser Part No
634-FGP231F512GM32DR

Silicon Labs

RF System on a Chip - SoC Flex Gecko SoC QFN32 sub-GHz 20 dB proprietary 512 kB 646 kB (RAM) 16GPIO SoC

Datasheet

15,805In Stock

Cut Tape

$13.00

$9.88

$9.47

$8.34

View

Reel

$6.58

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-32

ARM Cortex M4

32 bit

40 MHz

512 kB

64 kB

12 bit

16 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

EFM8BB10F8I-A-QFN20
Silicon Labs
1: $1.12
2,743In Stock

Mfr. Part No.
EFM8BB10F8I-A-QFN20

Mouser Part No
634-FM8BB10F8IAQFN20

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 8 kB flash 0.5 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

2,743In Stock

$1.12

$0.955

$0.888

$0.781

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

CIP-51 8051

8 bit

25 MHz

8 kB

512 B

12 bit

16 I/O

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU

EFM8LB12F64ES1-C-QFN24R
Silicon Labs
1: $2.89
5,752In Stock

Mfr. Part No.
EFM8LB12F64ES1-C-QFN24R

Mouser Part No
634-LB12F64ES1CFN24R

Silicon Labs

8-bit Microcontrollers - MCU

Learn More

Datasheet

5,752In Stock

Cut Tape

$2.89

$2.42

$2.24

$2.01

Reel

$1.67

View

Min.: 1
Mult.: 1

Reel: 1,500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-24

CIP-51 8051

8 bit

72 MHz

64 kB

4.25 kB

10 bit/12 bit/14 bit

20 I/O

- 40 C

+ 105 C

Reel, Cut Tape

RF System on a Chip - SoC Mighty Gecko SoC QFN48 2.4 G 19 dB mesh multi-protocol 1024 kB 256 kB (RAM) 31GPIO, +125

EFR32MG12P432F1024IM48-CR
Silicon Labs
1: $12.65
9,662In Stock

Mfr. Part No.
EFR32MG12P432F1024IM48-CR

Mouser Part No
634-MG12P432IM48-CR

Silicon Labs

RF System on a Chip - SoC Mighty Gecko SoC QFN48 2.4 G 19 dB mesh multi-protocol 1024 kB 256 kB (RAM) 31GPIO, +125

Learn More

Datasheet

9,662In Stock

Cut Tape

$12.65

$10.99

$10.42

$9.58

View

Reel

$7.23

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-48

ARM Cortex M4

32 bit

40 MHz

1 MB

256 kB

12 bit

31 I/O

- 40 C

+ 125 C

Reel, Cut Tape

RF System on a Chip - SoC Mighty Gecko SoC QFN32 2.4 G 19 dB mesh multi-protocol 512 kB 64 kB (RAM) 16GPIO, +125C

EFR32MG13P732F512IM32-DR
Silicon Labs
1: $9.60
27,380In Stock

Mfr. Part No.
EFR32MG13P732F512IM32-DR

Mouser Part No
634-MGP732F512IM32DR

Silicon Labs

RF System on a Chip - SoC Mighty Gecko SoC QFN32 2.4 G 19 dB mesh multi-protocol 512 kB 64 kB (RAM) 16GPIO, +125C

Datasheet

27,380In Stock

Cut Tape

$9.60

$8.34

$7.90

$7.29

View

Reel

$5.07

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-32

ARM Cortex M4

32 bit

40 MHz

512 kB

64 kbit

12 bit

16 I/O

- 40 C

+ 125 C

Reel, Cut Tape

RF System on a Chip - SoC ZG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, Secure Vault-High, +125C, QFN40

EFR32ZG23B020F512IM40-CR
Silicon Labs
1: $10.09
3,190In Stock

Mfr. Part No.
EFR32ZG23B020F512IM40-CR

Mouser Part No
634-ZG2320F512IM40CR

Silicon Labs

RF System on a Chip - SoC ZG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, Secure Vault-High, +125C, QFN40

Learn More

Datasheet

3,190In Stock

Cut Tape

$10.09

$7.80

$7.44

$6.46

View

Reel

$4.97

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-40

ARM Cortex M33

32 bit

78 MHz

512 kB

64 kB

12 bit, 16 bit

23 I/O

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC ZG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, Secure Vault-High, +125C, QFN48

EFR32ZG23B020F512IM48-CR
Silicon Labs
1: $10.12
2,151In Stock

Mfr. Part No.
EFR32ZG23B020F512IM48-CR

Mouser Part No
634-ZG2320F512IM48CR

Silicon Labs

RF System on a Chip - SoC ZG23, Sub-GHz, 512kB Flash, 64kB RAM, +20 dBm, Secure Vault-High, +125C, QFN48

Learn More

Datasheet

2,151In Stock

Cut Tape

$10.12

$7.82

$7.46

$6.48

View

Reel

$4.94

Min.: 1
Mult.: 1

Reel: 2,500

RF System on a Chip - SoC

SMD/SMT

QFN-48

ARM Cortex M33

32 bit

78 MHz

512 kB

64 kB

12 bit, 16 bit

31 I/O

- 40 C

+ 125 C

Reel, Cut Tape

ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES

EFM32G230F128G-E-QFN64
Silicon Labs
1: $6.73
1,635In Stock

Mfr. Part No.
EFM32G230F128G-E-QFN64

Mouser Part No
634-32G230F128GQFN64

Silicon Labs

ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES

Datasheet

1,635In Stock

$6.73

$5.59

$5.19

$4.70

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

QFN-64

ARM Cortex M3

32 bit

32 MHz

128 kB

16 kB

12 bit

56 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES

EFM32G280F128G-E-QFP100R
Silicon Labs
1: $7.44
860In Stock

Mfr. Part No.
EFM32G280F128G-E-QFP100R

Mouser Part No
634-32G28128GEFP100R

Silicon Labs

ARM Microcontrollers - MCU 128k Flash, 16k RAM, AES

Datasheet

860In Stock

Cut Tape

$7.44

$6.16

$5.73

$5.20

View

Reel

$4.33

Min.: 1
Mult.: 1

Reel: 1,000

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

32 MHz

128 kB

16 kB

12 bit

86 I/O

- 40 C

+ 85 C

Reel, Cut Tape

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

EFM32LG842F256G-F-QFP64R
Silicon Labs
1: $12.72
5,798In Stock

Mfr. Part No.
EFM32LG842F256G-F-QFP64R

Mouser Part No
634-32LG842256GFQFPR

Silicon Labs

ARM Microcontrollers - MCU Leopard Gecko MCU IC 256KB

Learn More

Datasheet

5,798In Stock

Cut Tape

$12.72

$10.34

$9.86

$8.56

View

Reel

$6.50

Min.: 1
Mult.: 1

Reel: 1,000

ARM Microcontrollers - MCU

SMD/SMT

TQFP-64

ARM Cortex M3

32 bit

48 MHz

256 kB

32 kB

12 bit

53 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU

EFM8BB10F2G-A-QFN20R
Silicon Labs
1: $0.64
25,501In Stock

Mfr. Part No.
EFM8BB10F2G-A-QFN20R

Mouser Part No
634-8BB10F2GAQF20R

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB flash 0.25 kB RAM 8-bit Busy Bee MCU

Learn More

Datasheet

25,501In Stock

Cut Tape

$0.64

$0.568

$0.514

$0.465

Reel

$0.363

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

CIP-51 8051

8 bit

25 MHz

2 kB

256 B

12 bit

16 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

Silicon Labs Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

BGA-112
BGA-120
BGA-125
BGA-136
BGA-152
BGA-192
BGA-48
CSP-16
CSP-43
CSP-81
LGA-42
LGA-85
LGA-92
LQFP-100
LQFP-32
MSOP-10
PQFP-48
QFN-11
QFN-12
QFN-16

5 MHz
12 MHz
24 MHz
24.5 MHz
25 MHz
32 MHz
38.4 MHz
39 MHz
40 MHz
48 MHz
50 MHz
72 MHz
76.8 MHz
78 MHz
80 MHz
97.5 MHz
100 MHz
150 MHz
180 MHz
2.4 GHz

1.5 kB
2 kB
4 kB
8 kB
16 kB
32 kB
64 kB
96 kB
128 kB
192 kB
256 kB
352 kB
512 kB
768 kB
1 MB
1.02 MB
1024 kB
1152 kB
1.5 MB
1536 kB

8 B, 256 B, 4 kB
128 B
256 B
512 B
768 B
1 kB
1.25 kB
1.28 kB
1.54 kB
2 kB
2.25 kB
2.3 kB
2.31 kB
3.25 kB
4 kB
4 kB, 256 B, 8 B
4.25 kB
4.35 kB
4352 B
8 kB

5 I/O
6 I/O
8 I/O
9 I/O
11 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O
25 I/O
26 I/O
27 I/O